Ballymena weather
The Ballymena weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Ballymena, Northern Ireland in 2024/2025.
Ballymena weather averages
Check the Ballymena weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Ballymena, Northern Ireland.
Ballymena weather by month
Check the weather for Ballymena, Northern Ireland for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.
Ballymena weather in January
The average maximum daytime temperature in Ballymena in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 1 hours of sunshine a day in Ballymena during January.
- 66°C max day temperature
- 11 hour of sunshine per day
- 2121 days with some rainfall
- 11°C min night temperature
- 105105 mm of monthly rainfall
On average 105 mm (4.1 inches) of rain normally falls in Ballymena during January with rain falling on 21 days of the month.
Ballymena weather in February
The average maximum daytime temperature in Ballymena in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Ballymena during February.
- 77°C max day temperature
- 22 hours of sunshine per day
- 1818 days with some rainfall
- 11°C min night temperature
- 7373 mm of monthly rainfall
On average 73 mm (2.9 inches) of rain normally falls in Ballymena during February with rain falling on 18 days of the month.
Ballymena weather in March
The average maximum daytime temperature in Ballymena in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Ballymena during March.
- 99°C max day temperature
- 33 hours of sunshine per day
- 2020 days with some rainfall
- 22°C min night temperature
- 8181 mm of monthly rainfall
On average 81 mm (3.2 inches) of rain normally falls in Ballymena during March with rain falling on 20 days of the month.
Ballymena weather in April
The average maximum daytime temperature in Ballymena in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 5 hours of sunshine a day in Ballymena during April.
- 1111°C max day temperature
- 55 hours of sunshine per day
- 1616 days with some rainfall
- 33°C min night temperature
- 6666 mm of monthly rainfall
On average 66 mm (2.6 inches) of rain normally falls in Ballymena during April with rain falling on 16 days of the month.
Ballymena weather in May
The average maximum daytime temperature in Ballymena in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Ballymena during May.
- 1414°C max day temperature
- 66 hours of sunshine per day
- 1616 days with some rainfall
- 66°C min night temperature
- 6262 mm of monthly rainfall
On average 62 mm (2.4 inches) of rain normally falls in Ballymena during May with rain falling on 16 days of the month.
Ballymena weather in June
The average maximum daytime temperature in Ballymena in June is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 6 hours of sunshine a day in Ballymena during June.
- 1616°C max day temperature
- 66 hours of sunshine per day
- 1616 days with some rainfall
- 88°C min night temperature
- 6767 mm of monthly rainfall
On average 67 mm (2.6 inches) of rain normally falls in Ballymena during June with rain falling on 16 days of the month.
Ballymena weather in July
The average maximum daytime temperature in Ballymena in July is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Ballymena during July.
- 1818°C max day temperature
- 55 hours of sunshine per day
- 1818 days with some rainfall
- 1111°C min night temperature
- 6969 mm of monthly rainfall
On average 69 mm (2.7 inches) of rain normally falls in Ballymena during July with rain falling on 18 days of the month.
Ballymena weather in August
The average maximum daytime temperature in Ballymena in August is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 4 hours of sunshine a day in Ballymena during August.
- 1818°C max day temperature
- 44 hours of sunshine per day
- 1919 days with some rainfall
- 1010°C min night temperature
- 8888 mm of monthly rainfall
On average 88 mm (3.5 inches) of rain normally falls in Ballymena during August with rain falling on 19 days of the month.
Ballymena weather in September
The average maximum daytime temperature in Ballymena in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 3 hours of sunshine a day in Ballymena during September.
- 1616°C max day temperature
- 33 hours of sunshine per day
- 1919 days with some rainfall
- 88°C min night temperature
- 9090 mm of monthly rainfall
On average 90 mm (3.5 inches) of rain normally falls in Ballymena during September with rain falling on 19 days of the month.
Ballymena weather in October
The average maximum daytime temperature in Ballymena in October is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Ballymena during October.
- 1212°C max day temperature
- 33 hours of sunshine per day
- 2020 days with some rainfall
- 66°C min night temperature
- 104104 mm of monthly rainfall
On average 104 mm (4.1 inches) of rain normally falls in Ballymena during October with rain falling on 20 days of the month.
Ballymena weather in November
The average maximum daytime temperature in Ballymena in November is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Ballymena during November.
- 99°C max day temperature
- 22 hours of sunshine per day
- 2020 days with some rainfall
- 33°C min night temperature
- 9595 mm of monthly rainfall
On average 95 mm (3.7 inches) of rain normally falls in Ballymena during November with rain falling on 20 days of the month.
Ballymena weather in December
The average maximum daytime temperature in Ballymena in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 1 hours of sunshine a day in Ballymena during December.
- 77°C max day temperature
- 11 hour of sunshine per day
- 2121 days with some rainfall
- 22°C min night temperature
- 101101 mm of monthly rainfall
On average 101 mm (4 inches) of rain normally falls in Ballymena during December with rain falling on 21 days of the month.