Coleraine weather
The Coleraine weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Coleraine, Northern Ireland in 2024/2025.
Coleraine weather averages
Check the Coleraine 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 Coleraine, Northern Ireland.
Coleraine weather by month
Check the weather for Coleraine, 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.
Coleraine weather in January
The average maximum daytime temperature in Coleraine in January 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 Coleraine during January.
- 77°C max day temperature
- 11 hour of sunshine per day
- 2323 days with some rainfall
- 22°C min night temperature
- 124124 mm of monthly rainfall
On average 124 mm (4.9 inches) of rain normally falls in Coleraine during January with rain falling on 23 days of the month.
Coleraine weather in February
The average maximum daytime temperature in Coleraine in February is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 2 hours of sunshine a day in Coleraine during February.
- 88°C max day temperature
- 22 hours of sunshine per day
- 1919 days with some rainfall
- 22°C min night temperature
- 8888 mm of monthly rainfall
On average 88 mm (3.5 inches) of rain normally falls in Coleraine during February with rain falling on 19 days of the month.
Coleraine weather in March
The average maximum daytime temperature in Coleraine in March 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 3 hours of sunshine a day in Coleraine during March.
- 99°C max day temperature
- 33 hours of sunshine per day
- 2020 days with some rainfall
- 33°C min night temperature
- 9494 mm of monthly rainfall
On average 94 mm (3.7 inches) of rain normally falls in Coleraine during March with rain falling on 20 days of the month.
Coleraine weather in April
The average maximum daytime temperature in Coleraine in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Coleraine during April.
- 1111°C max day temperature
- 55 hours of sunshine per day
- 1717 days with some rainfall
- 44°C min night temperature
- 6666 mm of monthly rainfall
On average 66 mm (2.6 inches) of rain normally falls in Coleraine during April with rain falling on 17 days of the month.
Coleraine weather in May
The average maximum daytime temperature in Coleraine 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 Coleraine during May.
- 1414°C max day temperature
- 66 hours of sunshine per day
- 1616 days with some rainfall
- 66°C min night temperature
- 5858 mm of monthly rainfall
On average 58 mm (2.3 inches) of rain normally falls in Coleraine during May with rain falling on 16 days of the month.
Coleraine weather in June
The average maximum daytime temperature in Coleraine in June is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 5 hours of sunshine a day in Coleraine during June.
- 1616°C max day temperature
- 55 hours of sunshine per day
- 1616 days with some rainfall
- 99°C min night temperature
- 6868 mm of monthly rainfall
On average 68 mm (2.7 inches) of rain normally falls in Coleraine during June with rain falling on 16 days of the month.
Coleraine weather in July
The average maximum daytime temperature in Coleraine in July is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 4 hours of sunshine a day in Coleraine during July.
- 1717°C max day temperature
- 44 hours of sunshine per day
- 1818 days with some rainfall
- 1111°C min night temperature
- 7676 mm of monthly rainfall
On average 76 mm (3 inches) of rain normally falls in Coleraine during July with rain falling on 18 days of the month.
Coleraine weather in August
The average maximum daytime temperature in Coleraine in August 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 4 hours of sunshine a day in Coleraine during August.
- 1818°C max day temperature
- 44 hours of sunshine per day
- 1919 days with some rainfall
- 1111°C min night temperature
- 8686 mm of monthly rainfall
On average 86 mm (3.4 inches) of rain normally falls in Coleraine during August with rain falling on 19 days of the month.
Coleraine weather in September
The average maximum daytime temperature in Coleraine in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 3 hours of sunshine a day in Coleraine during September.
- 1616°C max day temperature
- 33 hours of sunshine per day
- 2121 days with some rainfall
- 99°C min night temperature
- 9898 mm of monthly rainfall
On average 98 mm (3.9 inches) of rain normally falls in Coleraine during September with rain falling on 21 days of the month.
Coleraine weather in October
The average maximum daytime temperature in Coleraine in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Coleraine during October.
- 1313°C max day temperature
- 33 hours of sunshine per day
- 2222 days with some rainfall
- 77°C min night temperature
- 118118 mm of monthly rainfall
On average 118 mm (4.6 inches) of rain normally falls in Coleraine during October with rain falling on 22 days of the month.
Coleraine weather in November
The average maximum daytime temperature in Coleraine in November is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Coleraine during November.
- 1010°C max day temperature
- 22 hours of sunshine per day
- 2222 days with some rainfall
- 44°C min night temperature
- 115115 mm of monthly rainfall
On average 115 mm (4.5 inches) of rain normally falls in Coleraine during November with rain falling on 22 days of the month.
Coleraine weather in December
The average maximum daytime temperature in Coleraine in December is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 1 hours of sunshine a day in Coleraine during December.
- 88°C max day temperature
- 11 hour of sunshine per day
- 2323 days with some rainfall
- 33°C min night temperature
- 116116 mm of monthly rainfall
On average 116 mm (4.6 inches) of rain normally falls in Coleraine during December with rain falling on 23 days of the month.