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Contents
- The climate of Great Guana Cay
- The best time to visit Great Guana Cay
- The worst time to visit Great Guana Cay
- Spring weather in Great Guana Cay
- Summer weather in Great Guana Cay
- Autumn weather in Great Guana Cay
- Winter weather in Great Guana Cay
- 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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Great Guana Cay
Great Guana Cay, situated in The Bahamas, is mainly defined by a tropical monsoon climate under the Köppen climate classification or 'Am'. Spanning twelve months, the weather parameters exhibit subtle changes showing a consistent tropical climate.
Temperature ranges show marginal variation with high temperatures fluctuating from 23.2°C (73.8°F) in February to 28.9°C (84°F) in August and low temperatures from 21.3°C (70.3°F) in March to 28°C (82.4°F) in August. The island executes an overall warm climate throughout the year with only minor shifts in temperature fluctuations.
Rainfall plays a quintessential part in the island's climate with the highest recorded average rainfall reaching 114mm (4.49") in September and the lowest curdling at 33mm (1.3") in February. Most months experience a consistent level of rainfall, turning the island into a rain-drenched tropical paradise.
With relative humidity levels ranging from 74% in January to 79% in June, the climate retains a steady moistness, buffering the warm temperatures. The highest levels of daylight and sunshine hours coincide with the summer months, ranging from June to August. The average pressure levels remain within a near-constant range from 1013.8mb in October to 1019.2mb in January.
Wind speeds measure from 17.9km/h (11.1mph) in June to 24.5km/h (15.2mph) in November showing considerable variations, contributing to the dynamic weather patterns of the island. The visibility remains unvaried at 10km (6.2mi) throughout the year, and the UV Index fluctuates mildly between 5 in February and 7 from May to September.
Temperature ranges show marginal variation with high temperatures fluctuating from 23.2°C (73.8°F) in February to 28.9°C (84°F) in August and low temperatures from 21.3°C (70.3°F) in March to 28°C (82.4°F) in August. The island executes an overall warm climate throughout the year with only minor shifts in temperature fluctuations.
Rainfall plays a quintessential part in the island's climate with the highest recorded average rainfall reaching 114mm (4.49") in September and the lowest curdling at 33mm (1.3") in February. Most months experience a consistent level of rainfall, turning the island into a rain-drenched tropical paradise.
With relative humidity levels ranging from 74% in January to 79% in June, the climate retains a steady moistness, buffering the warm temperatures. The highest levels of daylight and sunshine hours coincide with the summer months, ranging from June to August. The average pressure levels remain within a near-constant range from 1013.8mb in October to 1019.2mb in January.
Wind speeds measure from 17.9km/h (11.1mph) in June to 24.5km/h (15.2mph) in November showing considerable variations, contributing to the dynamic weather patterns of the island. The visibility remains unvaried at 10km (6.2mi) throughout the year, and the UV Index fluctuates mildly between 5 in February and 7 from May to September.
The best time to visit Great Guana Cay
Offering a golden balance of warm temperatures and lesser rain, the period from April to June best serves as an ideal time to visit Great Guana Cay. During these months, the temperatures oscillate between 23.3°C (73.9°F) to 27.7°C (81.9°F), with rainfall kept at a relatively low average from 38mm (1.5") to 89mm (3.5"). The daylight hours are pleasingly long, ranging from 12.8h in April to 13.8h in June. The UV index registers at a safe level of 6 in April to 7 in June indicating optimal conditions for outdoor activities.
The worst time to visit Great Guana Cay
Visitors might find the period from August to September quite challenging to explore the island. This phase endures the highest rainfall levels - from 109mm (4.29") to 114mm (4.49"). Simultaneously, the weather remains hot, with recorded high temperatures from 28.9°C (84°F) in August to 28.5°C (83.3°F) in September, potentially leading to discomfort during outdoor activities. In contrast, the relative humidity is comparably lower from 76% to 75% during these months.
Spring weather in Great Guana Cay
The spring season that spans from March to May in Great Guana Cay showers visitors with warm temperatures, soaring from 23.2°C (73.8°F) to 25.8°C (78.4°F). However, rainfall takes an uptick with measures from 36mm (1.42") in March to 89mm (3.5") in May. The daylight hours extend from 12h in March to 13.5h in May, providing ample brightness for daytime activities. While the UV index clocks at a moderate 6 in March, it takes a leap to 7 by May.
Summer weather in Great Guana Cay
Summers starting from June to August deliver the highest temperatures reaching up to 28.9°C (84°F), with the lowest temperatures not going below 26.8°C (80.2°F). This period sees the heaviest rains, accumulating from 86mm (3.39") to 109mm (4.29"). While the relative humidity shows minor variations from 77% to 79%, daylight hours peak at 13.8h in June and gradually descend to 13.1h in August. An elevated UV index of 7 throughout these months requires visitors to stay protected under the sun.
Autumn weather in Great Guana Cay
Autumn from September to November features a continuation of high temperatures, with the mercury dropping from 28.5°C (83.3°F) in September to 25.5°C (77.9°F) in November. Rainfall levels demonstrate a sharp decrease from 114mm (4.49") in September to 40mm (1.57") in November. As the daylight hours shrink from 12.3h in September to 10.8h in November, the UV index also takes a dip from 7 to 6.
Winter weather in Great Guana Cay
Winter months from December to February in Great Guana Cay usher in relatively cooler temperatures ranging from 23.2°C (73.8°F) to 24.3°C (75.7°F). Rainfall averages also take a reclining stance, shriveling to 34mm (1.34") in December and resurging slightly to 33mm (1.3") by February. Daylight hours average from 10.5h to 11.3h whilst the UV index hovers at a neutral 6.
Weather in January
January in Great Guana Cay, The Bahamas is characterized by mild, subtropical temperatures and occasional rainy weather, making it a refreshing start to the New Year. The period sees a slight decrease in daylight with an average of 10.7 hours of daylight per day. Weather in January »
Weather in February
In February, Great Guana Cay, The Bahamas experiences a gentle increase in its number of sunshine hours and daylight, leading to a warmer weather than the month of January. Although the month is slightly windier than its successor March, the wind conditions relatively remain moderate. Weather in February »
Weather in March
The transition from February to March in Great Guana Cay, The Bahamas, is marked by a surge in temperatures complemented by an elongation of daylight hours. This trend sets the stage for more sunshine hours and less cloud coverage throughout the day. Weather in March »
Weather in April
In Great Guana Cay, The Bahamas, April signals the onset of longer daylight hours (12.8 hours) and increased sunshine hours (10.4 hours), painting a drastic change from the latter part of March. The tropical environment of the island remains unaffected as cloud coverage undergoes limited alterations. Weather in April »
Weather in May
Throughout May, the weather in Great Guana Cay, The Bahamas continues on its trajectory of increasing temperatures, intensified by prolonged sunshine hours (10.1 hours) and daylight (13.5 hours). The mild winds of April further weaken, offering an inviting landscape for wind-sensitive activities. Weather in May »
Weather in June
June remains one of the warmest months in Great Guana Cay, The Bahamas, with the thermometer often soaring to higher digits than May. In compliance with the tropical weather, the daylight hours exhibit minor changes and stabilize around a high. Weather in June »
Weather in July
In July, Great Guana Cay, The Bahamas experiences consistent weather conditions similar to the previous month. Hailed as one of the warmest months, July makes Great Guana Cay an excellent spot for outdoor activities. The month marks slight reductions in daylight and sunshine hours, providing more opportunities for nighttime activities. Weather in July »
Weather in August
August ushers in minor modifications in the weather parameters in Great Guana Cay, The Bahamas. The climate persists with its warm and humid pattern, offering a wholesome tropical experience to visitors. The month notes a slight decrease in daylight hours and sunshine hours. Weather in August »
Weather in September
Moving into September, the weather in Great Guana Cay, The Bahamas undergoes minor changes, particularly in terms of sunshine and daylight hours, when compared to August. The tropical island endures moderately warm temperatures, inviting a considerable number of tourists. Weather in September »
Weather in October
October in Great Guana Cay, The Bahamas sees an upsurge in wind speed that sets it apart from the preceding months of mild weather patterns. The variation in daylight and sunshine hours remain consistent with September's trend, elegantly accommodating the fall season. Weather in October »
Weather in November
In November, Great Guana Cay, The Bahamas, experiences a significant change in weather patterns. The month sees the first sign of winter with the daylight hours registering a minimal drop. Novelties in the weather also comprise a proportional reduction in temperature, setting the stage for a moderately cool climate. Weather in November »
Weather in December
Witnessing the tail end of the year, December in Great Guana Cay, The Bahamas, presents a spectacular blend of winter sun and tropical breeze. December imitates November's weather, making it an ideal time for visitors seeking mild winter temperatures along with the charm of the archipelagic atmosphere. Weather in December »
Updated: Aug 26, 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?
The months with the lowest humidity are January, March and November, with an average relative humidity of 74%.
How many days does it rain?
In Great Guana Cay, during the entire year, the rain falls for 215.2 days and collects up to 816mm (32.13") of precipitation.
What is the month with the least sunshine?
With an average of 6h of sunshine, January has the least sunshine of the year.
What part of the year is the coldest?
February and March, with an average high-temperature of 23.2°C (73.8°F), are the coldest months.
What is the driest month?
February is the month with the least rainfall. Rain falls for 12.8 days and accumulates 33mm (1.3") of precipitation.
What is the month with the lowest UV index?
February is the month with the lowest UV index, with an average maximum UV index of 5.
When is Daylight Saving Time (DST)?
On Sunday, 10. March 2024, at 02:00, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 02:00, and the time zone reverts from EDT to EST.
What month has the most sunshine?
With an average of 10.4h of sunshine, April has the most sunshine of the year in Great Guana Cay.
When is the highest UV index in Great Guana Cay?
May through October, with an average maximum UV index of 7, are months with the highest UV index.
What is the most humid month?
With an average relative humidity of 79%, June is the most humid month in Great Guana Cay.
When are the longest days?
June has the longest days of the year, with an average of 13h and 48min of daylight.
What is the warmest month?
August is the month when Great Guana Cay's temperatures reach their peak, with averages of 28.9°C (84°F) and lows of 28°C (82.4°F).
What is the rainiest month?
The month with the most rainfall is September, when the rain falls for 23 days and typically aggregates up to 114mm (4.49") of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 30min of daylight.
Average temperature
Great Guana Cay, The Bahamas
The warmest month (with the highest average high temperature) is August (28.9°C).
The months with the lowest average high temperature are February and March (23.2°C).
The month with the highest average low temperature is August (28°C).
The coldest month (with the lowest average low temperature) is March (21.3°C).
Average pressure
Great Guana Cay, The Bahamas
- Average pressure in January:
1019.2mbar - Average pressure in February:
1019mbar - Average pressure in March:
1018.8mbar - Average pressure in April:
1017.2mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1016.6mbar
- Average pressure in July:
1017.5mbar - Average pressure in August:
1016mbar - Average pressure in September:
1014.3mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1016.3mbar - Average pressure in December:
1018.4mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is October (1013.8mbar).
Average wind speed
Great Guana Cay, The Bahamas
- Average wind speed in January:
24.2km/h - Average wind speed in February:
23.5km/h - Average wind speed in March:
23.5km/h - Average wind speed in April:
22.8km/h - Average wind speed in May:
21.3km/h - Average wind speed in June:
17.9km/h
- Average wind speed in July:
19.1km/h - Average wind speed in August:
19.1km/h - Average wind speed in September:
18.4km/h - Average wind speed in October:
22.9km/h - Average wind speed in November:
24.5km/h - Average wind speed in December:
23.5km/h
The windiest month (with the highest average wind speed) is November (24.5km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).
Average humidity
Great Guana Cay, The Bahamas
The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall
Great Guana Cay, The Bahamas
The wettest month (with the highest rainfall) is September (114mm).
The driest month (with the least rainfall) is February (33mm).
Average rainfall days
Great Guana Cay, The Bahamas
- Average rainfall days in January:
15.6 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
19.5 days
- Average rainfall days in July:
20.3 days - Average rainfall days in August:
23.2 days - Average rainfall days in September:
23 days - Average rainfall days in October:
21.3 days - Average rainfall days in November:
18.5 days - Average rainfall days in December:
16.3 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (12.8 days).
Average daylight / Average sunshine
Great Guana Cay, The Bahamas
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 3min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
7h and 1min - Average sunshine in March:
8h and 2min - Average sunshine in April:
10h and 2min - Average sunshine in May:
10h and 1min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
10h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
6h and 1min
The month with the most sunshine is April (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days
Great Guana Cay, The Bahamas
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
10.9 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
6.7 days
- Average sunshine days in July:
6.6 days - Average sunshine days in August:
4.9 days - Average sunshine days in September:
5.2 days - Average sunshine days in October:
7.2 days - Average sunshine days in November:
7 days - Average sunshine days in December:
8.5 days
The month with the most sunshine days is March (12.7 days).
The month with the least sunshine days is August (4.9 days).
Average UV index
Great Guana Cay, The Bahamas
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is February (UV index 5).
Average cloud cover
Great Guana Cay, The Bahamas
The months with the most cloud cover are October and November (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 32).
Average visibility
Great Guana Cay, The Bahamas
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).
