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Contents
- 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 snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Ballymena, United Kingdom, with an average temperature ranging between min 2.4°C (36.3°F) and max 6.1°C (43°F). January, with an average high of 6.1°C (43°F) and a low of 2.4°C (36.3°F), signifies the coldest month of the year. Weather in January »
Weather in February
February, the last month of the winter in Ballymena, is another chilly month, with an average temperature fluctuating between 6.9°C (44.4°F) and 2.3°C (36.1°F). Ballymena ushers in February with an average high-temperature of a still chilly 6.9°C (44.4°F), showing a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Ballymena, United Kingdom, with temperature in the range of an average low of 2.7°C (36.9°F) and an average high of 8.5°C (47.3°F). As Ballymena welcomes March, the average high-temperature stabilizes at a still frosty 8.5°C (47.3°F), showing little deviation from February's 6.9°C (44.4°F). Weather in March »
Weather in April
April in Ballymena, United Kingdom, is a fresh spring month, with an average temperature fluctuating between 4.4°C (39.9°F) and 10.9°C (51.6°F). The arrival of April brings an average high-temperature of a cool 10.9°C (51.6°F), subtly diverging from March's 8.5°C (47.3°F). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Ballymena, United Kingdom, with an average temperature ranging between max 13.1°C (55.6°F) and min 6.8°C (44.2°F). With the start of May, Ballymena measures an average high-temperature of a refreshing 13.1°C (55.6°F), not significantly differing from April's 10.9°C (51.6°F). Weather in May »
Weather in June
June, the first month of the summer in Ballymena, is also a moderate month, with an average temperature fluctuating between 9°C (48.2°F) and 15.7°C (60.3°F). June commences with an average high-temperature of a still refreshing 15.7°C (60.3°F), showing little deviation from May's 13.1°C (55.6°F). Weather in June »
Weather in July
July is an enjoyable summer month in Ballymena, United Kingdom, with temperature in the range of an average high of 16.8°C (62.2°F) and an average low of 10.6°C (51.1°F). Ballymena's temperatures tend to reach their peak averages in July, with a high of 16.8°C (62.2°F) and a low of 10.6°C (51.1°F). Weather in July »
Weather in August
August, the last month of the summer in Ballymena, is also an enjoyable month, with an average temperature ranging between max 16.3°C (61.3°F) and min 10.8°C (51.4°F). With August's arrival, Ballymena's weather records an average high-temperature of a still refreshing 16.3°C (61.3°F), marking little difference from July's 16.8°C (62.2°F). Weather in August »
Weather in September
September, the first month of the autumn in Ballymena, is still a refreshing month, with an average temperature varying between 9.6°C (49.3°F) and 14.7°C (58.5°F). The advent of September sees the average high-temperature at a mild 14.7°C (58.5°F), subtly shifted from August's 16.3°C (61.3°F). Weather in September »
Weather in October
October, the same as September, is a cool autumn month in Ballymena, United Kingdom, with temperature in the range of an average low of 7.7°C (45.9°F) and an average high of 12.2°C (54°F). Ballymena, United Kingdom, experiences a subtle adjustment in high-temperatures to a fresh 12.2°C (54°F) with the onset of October, maintaining near parity with September's 14.7°C (58.5°F). Weather in October »
Weather in November
November, the last month of the autumn in Ballymena, is another chilly month, with an average temperature ranging between max 8.7°C (47.7°F) and min 5°C (41°F). November signals a slight drop in average high-temperature, sliding from October's fresh 12.2°C (54°F) to a chilly 8.7°C (47.7°F). Weather in November »
Weather in December
December, the first month of the winter in Ballymena, is still a chilly month, with an average temperature fluctuating between 3.2°C (37.8°F) and 6.8°C (44.2°F). The transition into December shows a subtle variation to a still frosty 6.8°C (44.2°F) from November's 8.7°C (47.7°F) in the average high-temperature. Weather in December »
Updated: Feb 8, 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 coldest time of year in Ballymena?
January tends to be the coldest month, with temperatures averaging a daily high of 6.1°C (43°F) and a low of 2.4°C (36.3°F).
What is the most humid month in Ballymena?
January and December, with an average relative humidity of 89%, are most humid months in Ballymena.
What is the driest month in Ballymena?
The months with the least rainfall in Ballymena are January and September Rain falls for 9.7 days and accumulates 11mm (0.43") of rain.
How many days does it rain in Ballymena?
In Ballymena, United Kingdom, during the entire year, the rain falls for 138.3 days and collects up to 223mm (8.78") of precipitation.
When does it snow in Ballymena?
January through March and December are months with snowfall in Ballymena.
How much does it snow in Ballymena?
In Ballymena, United Kingdom, during the entire year, snow falls for 7.4 days and aggregates up to 36mm (1.42") of snow.
When is the lowest UV index in Ballymena?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ballymena.
When does it snow the most in Ballymena?
The months with the most snowfall in Ballymena, United Kingdom, are February and March, with an average 13mm (0.51") of accumulated snow.
What is the month with the least sunshine in Ballymena?
With an average of 3.5h of sunshine, February has the least sunshine of the year in Ballymena, United Kingdom.
What are the least humid months in Ballymena?
The months with the lowest humidity in Ballymena, United Kingdom, are April and May, with an average relative humidity of 83%.
When it does not snow in Ballymena?
In Ballymena, United Kingdom, snow does not fall in April through November.
When is the highest UV index in Ballymena?
May, June and August, with an average maximum UV index of 4, are months with the highest UV index.
What is the rainiest month in Ballymena?
The month with the most rainfall is June, when the rain falls for 15.1 days and typically aggregates up to 29mm (1.14") of precipitation.
When are the longest days in Ballymena?
The month with the longest days is June, with an average of 17h and 12min of daylight.
What month has the most sunshine in Ballymena?
The month with the most sunshine in Ballymena is June, with an average of 7h of sunshine.
What is the warmest month in Ballymena?
July registers as the month with the average highest temperatures in Ballymena, reaching 16.8°C (62.2°F) at its peak and 10.6°C (51.1°F) at the lowest.
When is Daylight Saving Time (DST) in Ballymena?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
What is the month with the shortest days in Ballymena?
The month with the shortest days in Ballymena is December, with an average of 7h and 18min of daylight.
Average temperature
Ballymena, United Kingdom
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (6.1°C).
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure
Ballymena, United Kingdom
- Average pressure in January:
1009.5mbar - Average pressure in February:
1009.4mbar - Average pressure in March:
1013mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1014.8mbar
- Average pressure in July:
1013mbar - Average pressure in August:
1011.5mbar - Average pressure in September:
1013.9mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1007mbar - Average pressure in December:
1008.8mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed
Ballymena, United Kingdom
- Average wind speed in January:
21.5km/h - Average wind speed in February:
20.7km/h - Average wind speed in March:
19.1km/h - Average wind speed in April:
16.6km/h - Average wind speed in May:
16.1km/h - Average wind speed in June:
13.9km/h
- Average wind speed in July:
13.8km/h - Average wind speed in August:
15.1km/h - Average wind speed in September:
16.8km/h - Average wind speed in October:
17.9km/h - Average wind speed in November:
19.2km/h - Average wind speed in December:
21km/h
The windiest month (with the highest average wind speed) is January (21.5km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity
Ballymena, United Kingdom
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall
Ballymena, United Kingdom
The wettest month (with the highest rainfall) is June (29mm).
The driest months (with the least rainfall) are January and September (11mm).
Average rainfall days
Ballymena, United Kingdom
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (8.3 days).
Average snowfall
Ballymena, United Kingdom
The months with the highest snowfall are February and March (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Ballymena, United Kingdom
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
1.9 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Ballymena, United Kingdom
- Average daylight in January:
7h and 5min - Average daylight in February:
9h and 4min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 1min - Average daylight in May:
16h and 1min - Average daylight in June:
17h and 1min
- Average daylight in July:
16h and 4min - Average daylight in August:
14h and 5min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 3min - Average daylight in November:
8h and 2min - Average daylight in December:
7h and 2min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 3min - Average sunshine in March:
4h and 4min - Average sunshine in April:
6h and 3min - Average sunshine in May:
6h and 2min - Average sunshine in June:
7h and 0min
- Average sunshine in July:
6h and 0min - Average sunshine in August:
5h and 5min - Average sunshine in September:
5h and 4min - Average sunshine in October:
3h and 4min - Average sunshine in November:
3h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days
Ballymena, United Kingdom
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
13 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
7.8 days - Average sunshine days in August:
8.7 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
16.6 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
19 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is July (7.8 days).
Average UV index
Ballymena, United Kingdom
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Ballymena, United Kingdom
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility
Ballymena, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
