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Contents
- The climate of Hamilton
- The best time to visit Hamilton
- The worst time to visit Hamilton
- Spring weather in Hamilton
- Summer weather in Hamilton
- Autumn weather in Hamilton
- Winter weather in Hamilton
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Yachts on the clear blue waters of a tropical lagoon in Hamilton, Bermuda
The climate of Hamilton
Hamilton, situated in Bermuda, falls under the tropical monsoon climate category of the Köppen climate classification. Bermuda, located on the eastern coast of the United States, experiences mild, humid weather throughout the year.
A closer analysis of the climate data reveals a high level of humidity, usually hovering around the mid-70s. Temperatures oscillate around moderate values, with the highest average monthly maximum being 27.9°C (82.2°F) in August and the lowest average monthly minimum being 16.9°C (62.4°F) in March. Rainfall is a regular feature of Hamilton's climate, with August witnessing the highest average monthly rainfall of 93mm (3.66"), and April seeing the lowest of 35mm (1.38").
Relative to other parameters, there is a lower degree of variation in wind speed, with averages fluctuating between 17.2km/h (10.7mph) to 29.4km/h (18.3mph). The relatively high average wind speeds undoubtedly influence the average sea temperatures, which oscillate from lows of 19.2°C (66.6°F) in March to highs of 27.8°C (82°F) from August to September. Hamilton sees sunshine during a significant portion of its average daylight hours that range from 10.1 hours in December to 14.2 hours in June.
The cloud cover varies in Hamilton, with averages shifting from 29% in July to 53% in January and February, demonstrating a predominantly clear-to-partly-cloudy sky for most of the year. An important note about Hamilton's weather pattern is the continually high visibility throughout the year, averaging at 10km (6.2mi), providing clear, unobstructed views at most times.
A closer analysis of the climate data reveals a high level of humidity, usually hovering around the mid-70s. Temperatures oscillate around moderate values, with the highest average monthly maximum being 27.9°C (82.2°F) in August and the lowest average monthly minimum being 16.9°C (62.4°F) in March. Rainfall is a regular feature of Hamilton's climate, with August witnessing the highest average monthly rainfall of 93mm (3.66"), and April seeing the lowest of 35mm (1.38").
Relative to other parameters, there is a lower degree of variation in wind speed, with averages fluctuating between 17.2km/h (10.7mph) to 29.4km/h (18.3mph). The relatively high average wind speeds undoubtedly influence the average sea temperatures, which oscillate from lows of 19.2°C (66.6°F) in March to highs of 27.8°C (82°F) from August to September. Hamilton sees sunshine during a significant portion of its average daylight hours that range from 10.1 hours in December to 14.2 hours in June.
The cloud cover varies in Hamilton, with averages shifting from 29% in July to 53% in January and February, demonstrating a predominantly clear-to-partly-cloudy sky for most of the year. An important note about Hamilton's weather pattern is the continually high visibility throughout the year, averaging at 10km (6.2mi), providing clear, unobstructed views at most times.
The best time to visit Hamilton
The data suggests that the best time to visit Hamilton is from April to June. During this period, the weather is relatively more desirable, as the temperature averages around 20°C (68°F), and the city experiences less rainfall, around 35-38mm (-1.5"), leading to fewer rainfall days, between 12 and 17 days. Moreover, this is the period where daylight lasts for more than 13 hours per day on average, allowing visitors to make the most of their trip and explore Hamilton extensively.
The worst time to visit Hamilton
The least desirable time to visit Hamilton is from July to September. While these months have the highest average temperatures and sea temperatures, reaching up to 27.9°C (82.2°F) and 27.8°C (82°F) respectively, they also record the highest rainfall averages. The city sees an average rainfall of 70-93mm (-3.66") during these months, with corresponding rainfall days reaching up to 21. The humidity also escalates during this period, reaching 80-82%, often leading to discomfort.
Spring weather in Hamilton
Spring, in Hamilton, encompasses the months from March to May. The city begins to warm up after winter, with temperatures gradually rising from 18.9°C (66°F) in March to 21.5°C (70.7°F) in May. Low-temperature averages also follow a similar upward trajectory. Rainfall is at its lowest average in April, at 35mm (1.38"). However, there is a slight increase in May with an average of 38mm (1.5"). Wind speed decreases during this season, making the weather more pleasant.
Summer weather in Hamilton
Summers in Hamilton, from June through August, are quite warm, with the city witnessing its annual high average temperatures. The highest temperature reaches an average of 27.9°C (82.2°F) in August, but it is accompanied by the highest average rainfall of the year at 93mm (3.66"). Beachgoers may find the high-average sea temperatures, nearly 27°C (80.6°F), appealing despite the weather being moderately humid with values around the low 80s.
Autumn weather in Hamilton
Autumn, from September to November, sees temperatures moderating from the summer highs, with averages dropping to 22.7°C (72.9°F) by November. Rainfall averages during this season vary around the 70mm (2.76") mark, with November experiencing the same amount of rainfall as in spring. The weather during this season is preferable for outdoor activities, with longer-than-average daylight hours and decreasing humidity and wind speed.
Winter weather in Hamilton
Winters in Hamilton, from December to February, are mild compared to many other regions. The city achieves its lowest temperatures during these months, with averages dipping to 19.1°C (66.4°F) in February. Rainfall averages fluctuates around 60-70mm (-2.76"). December witnesses shorter daylight hours, with an average of 10.1 hours. This season also features the highest wind speeds, reaching an average of nearly 29.3km/h (18.2mph) in January. Despite these variations, the winter period in Hamilton remains relatively moderate and mild.
Weather in January
In January, Hamilton, Bermuda experiences mild temperatures, with the monthly average high and low temperatures at 19.8°C (67.6°F) and 17.7°C (63.9°F) respectively. Relative humidity averages at 74%. Although sunshine is still present, the city experiences limited daylight hours and a moderate UV index. Weather in January »
Weather in February
The city experiences similar weather conditions in February as in January, with minor variations. Among these, there is an increase in rainfall from 70mm (2.76") in January to 78mm (3.07") with an average of 15.5 days of rainfall. Weather in February »
Weather in March
March sees a subtle decline in average temperatures, with the lowest being 16.9°C (62.4°F). The average sea temperature also decreases slightly to 19.2°C (66.6°F). As the month progresses, the city experiences more daylight hours, longer sunshine durations, and an unchanged UV index. Weather in March »
Weather in April
April brings warmer temperatures, with a monthly average high of 19.8°C (67.6°F). Interestingly, rainfall decreases significantly from 62mm (2.44") to 35mm (1.38"), accompanied by fewer rainfall days. The longer duration of sunlight and an increase in average sea temperatures characterize this month. Weather in April »
Weather in May
In May, Hamilton enjoys further rising temperatures, peaking at 21.5°C (70.7°F). There is a noticeable increase in daylight hours, from 13 hours to 13.8 hours, and a rise in the UV index. May, however, ushers in a slight bump in humidity and a minor increase in rainfall. Weather in May »
Weather in June
June, the threshold of summer, witnesses the mercury climbing to an average high temperature of 24.3°C (75.7°F). Despite an increased rainfall of 75mm (2.95"), the days of rain reduce, giving more dry days. The rising temperatures, along with increasing humidity levels, make June a warmer but appealing month. Weather in June »
Weather in July
July is the warmest month in Hamilton, with the average high temperature reaching 26.8°C (80.2°F). Sea temperatures parallel the change, rising to 27.2°C (81°F). Despite the increasing temperatures, July remains a vibrant month, with a balance between rainfall and sunny days. Weather in July »
Weather in August
August boasts maximum temperatures, leading to a hot and humid climate in Hamilton. The month sees the highest rainfall of the year, with precipitation level reaching 93mm (3.66"). However, despite the increased rainfall, the warm sea temperatures and limited cloud cover make sea-related activities viable options for residents and tourists alike. In Hamilton, the peak temperatures are generally noted in August, averaging a high of 27.9°C (82.2°F) and a low of 26.8°C (80.2°F). August's heat index is calculated to be a hot 31°C (87.8°F). Weather in August »
Weather in September
In September, the temperatures start to decline, yet, the city remains warm. The rainfall and cloud percentage also begin to diminish. Despite these patterns, the sea temperature continues to stay high at 27.8°C (82°F), maintaining the beach season intact. Weather in September »
Weather in October
With the arrival of October, Hamilton experiences further cooling temperatures with sea temperatures also settling lower. The daylight hours gradually reduce, signaling the onset of winter. However, a noticeable decrease in rainfall days and an average UV index keeps the outdoor activities flourished. Weather in October »
Weather in November
November brings cooler temperatures with less rainfall and higher wind speeds averaging 25.9km/h (16.1mph). As winter approaches, daylight hours reduce, and less sunshine is recorded. A decrease in sea temperature presents a significant change for sea activities. Weather in November »
Weather in December
December, the last month of the year, marks the onset of winter in Hamilton. Accompanied by the lowest average sea temperatures dropping to 22.1°C (71.8°F), the outdoor activities are limited. Rainfall drops to 54mm (2.13"), the lowest for the year, with decreased daylight hours and a low UV index. Weather in December »
Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the least humid month in Hamilton?
The months with the lowest humidity in Hamilton, Bermuda, are January, November and December, with an average relative humidity of 74%.
How many days does it rain in Hamilton?
In Hamilton, Bermuda, during the entire year, the rain falls for 201.7 days and collects up to 804mm (31.65") of precipitation.
What is the month with the least sunshine in Hamilton?
With an average of 4.9h of sunshine, January has the least sunshine of the year in Hamilton, Bermuda.
When is the lowest UV index in Hamilton?
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5.
What is the coldest time of year in Hamilton?
The lowest temperatures in Hamilton, Bermuda, are recorded in March, with averages reaching a high of 18.9°C (66°F) and a low of 16.9°C (62.4°F).
When is the sea coldest in Hamilton?
The month with the coldest seawater is March, with an average sea temperature of 19.2°C (66.6°F).
When is Daylight Saving Time (DST) in Hamilton?
On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts, and the time zone changes from AST to ADT. Daylight Saving Time ends on Sunday, 03. November 2024, at 02:00, and the time zone reverts from ADT to AST.
What is the driest month in Hamilton?
April is the month with the least rainfall in Hamilton, Bermuda. Rain falls for 12.7 days and accumulates 35mm (1.38") of precipitation.
What is the most humid month in Hamilton?
With an average relative humidity of 82%, June is the most humid month in Hamilton.
When are the longest days in Hamilton?
With an average of 14h and 12min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Hamilton?
June through September, with an average maximum UV index of 7, are months with the highest UV index.
What is the month with the most sunshine in Hamilton?
The months with the most sunshine are July and August, with an average of 11h of sunshine.
What time of the year is the hottest in Hamilton?
August tends to be the warmest month in Hamilton, with temperatures averaging a daily high of 27.9°C (82.2°F) and a low of 26.8°C (80.2°F).
What is the wettest month in Hamilton?
The month with the most rainfall in Hamilton, Bermuda, is August, when the rain falls for 21.1 days and typically aggregates up to 93mm (3.66") of precipitation.
What are the months with the warmest sea water in Hamilton?
August and September, with an average sea temperature of 27.8°C (82°F), are months with the warmest seawater.
What is the month with the shortest days in Hamilton?
The month with the shortest days in Hamilton, Bermuda, is December, with an average of 10h and 6min of daylight.
Average temperature
Hamilton, Bermuda
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is March (18.9°C).
The month with the highest average low temperature is August (26.8°C).
The coldest month (with the lowest average low temperature) is March (16.9°C).
Average pressure
Hamilton, Bermuda
- Average pressure in January:
1019.4mbar - Average pressure in February:
1019.5mbar - Average pressure in March:
1018.5mbar - Average pressure in April:
1019.4mbar - Average pressure in May:
1020.3mbar - Average pressure in June:
1018.8mbar
- Average pressure in July:
1020.8mbar - Average pressure in August:
1019mbar - Average pressure in September:
1017.2mbar - Average pressure in October:
1016.6mbar - Average pressure in November:
1017.6mbar - Average pressure in December:
1019.6mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is October (1016.6mbar).
Average wind speed
Hamilton, Bermuda
- Average wind speed in January:
29.3km/h - Average wind speed in February:
29.4km/h - Average wind speed in March:
28.9km/h - Average wind speed in April:
25.7km/h - Average wind speed in May:
20.7km/h - Average wind speed in June:
19.2km/h
- Average wind speed in July:
18.2km/h - Average wind speed in August:
17.2km/h - Average wind speed in September:
19.6km/h - Average wind speed in October:
23.3km/h - Average wind speed in November:
25.9km/h - Average wind speed in December:
27.4km/h
The windiest month (with the highest average wind speed) is February (29.4km/h).
The calmest month (with the lowest average wind speed) is August (17.2km/h).
Average humidity
Hamilton, Bermuda
The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are January, November and December (74%).
Average rainfall
Hamilton, Bermuda
The wettest month (with the highest rainfall) is August (93mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days
Hamilton, Bermuda
- Average rainfall days in January:
18.3 days - Average rainfall days in February:
15.5 days - Average rainfall days in March:
16.2 days - Average rainfall days in April:
12.7 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
19.1 days - Average rainfall days in August:
21.1 days - Average rainfall days in September:
20.3 days - Average rainfall days in October:
17.3 days - Average rainfall days in November:
16.6 days - Average rainfall days in December:
15.8 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is May (11.9 days).
Average sea temperature
Hamilton, Bermuda
The best months for swimming (with the highest average sea temperature) are August and September (27.8°C).
The coldest month (with the lowest average sea temperature) is March (19.2°C).
Average daylight / Average sunshine
Hamilton, Bermuda
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 1min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - Average daylight in December:
10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
5h and 5min - Average sunshine in March:
7h and 1min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Hamilton, Bermuda
- Average sunshine days in January:
9.4 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
11.6 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
7.3 days - Average sunshine days in September:
8 days - Average sunshine days in October:
10.8 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is August (7.3 days).
Average UV index
Hamilton, Bermuda
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover
Hamilton, Bermuda
The months with the most cloud cover are January and February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Hamilton, Bermuda
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Hamilton, Bermuda
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