Ballycastle weather
The Ballycastle weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Ballycastle, Northern Ireland in 2024/2025.
Ballycastle weather averages
Check the Ballycastle 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 Ballycastle, Northern Ireland.
Ballycastle weather by month
Check the weather for Ballycastle, 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.
Ballycastle weather in January
The average maximum daytime temperature in Ballycastle 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 Ballycastle during January.
- 77°C max day temperature
- 11 hour of sunshine per day
- 2222 days with some rainfall
- 22°C min night temperature
- 125125 mm of monthly rainfall
On average 125 mm (4.9 inches) of rain normally falls in Ballycastle during January with rain falling on 22 days of the month.
Ballycastle weather in February
The average maximum daytime temperature in Ballycastle in February 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 2 hours of sunshine a day in Ballycastle during February.
- 77°C max day temperature
- 22 hours of sunshine per day
- 1818 days with some rainfall
- 22°C min night temperature
- 8585 mm of monthly rainfall
On average 85 mm (3.3 inches) of rain normally falls in Ballycastle during February with rain falling on 18 days of the month.
Ballycastle weather in March
The average maximum daytime temperature in Ballycastle in March 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 3 hours of sunshine a day in Ballycastle during March.
- 88°C max day temperature
- 33 hours of sunshine per day
- 2020 days with some rainfall
- 33°C min night temperature
- 9696 mm of monthly rainfall
On average 96 mm (3.8 inches) of rain normally falls in Ballycastle during March with rain falling on 20 days of the month.
Ballycastle weather in April
The average maximum daytime temperature in Ballycastle 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 Ballycastle during April.
- 1111°C max day temperature
- 55 hours of sunshine per day
- 1616 days with some rainfall
- 44°C min night temperature
- 7070 mm of monthly rainfall
On average 70 mm (2.8 inches) of rain normally falls in Ballycastle during April with rain falling on 16 days of the month.
Ballycastle weather in May
The average maximum daytime temperature in Ballycastle in May is a cool 13°C (55°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 Ballycastle during May.
- 1313°C max day temperature
- 66 hours of sunshine per day
- 1616 days with some rainfall
- 66°C min night temperature
- 5555 mm of monthly rainfall
On average 55 mm (2.2 inches) of rain normally falls in Ballycastle during May with rain falling on 16 days of the month.
Ballycastle weather in June
The average maximum daytime temperature in Ballycastle in June is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 6 hours of sunshine a day in Ballycastle during June.
- 1515°C max day temperature
- 66 hours of sunshine per day
- 1616 days with some rainfall
- 99°C min night temperature
- 6969 mm of monthly rainfall
On average 69 mm (2.7 inches) of rain normally falls in Ballycastle during June with rain falling on 16 days of the month.
Ballycastle weather in July
The average maximum daytime temperature in Ballycastle 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 Ballycastle 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 Ballycastle during July with rain falling on 18 days of the month.
Ballycastle weather in August
The average maximum daytime temperature in Ballycastle in August 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 Ballycastle during August.
- 1717°C max day temperature
- 44 hours of sunshine per day
- 1919 days with some rainfall
- 1111°C min night temperature
- 9595 mm of monthly rainfall
On average 95 mm (3.7 inches) of rain normally falls in Ballycastle during August with rain falling on 19 days of the month.
Ballycastle weather in September
The average maximum daytime temperature in Ballycastle in September is a comfortable 15°C (59°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 Ballycastle during September.
- 1515°C max day temperature
- 33 hours of sunshine per day
- 2020 days with some rainfall
- 99°C min night temperature
- 104104 mm of monthly rainfall
On average 104 mm (4.1 inches) of rain normally falls in Ballycastle during September with rain falling on 20 days of the month.
Ballycastle weather in October
The average maximum daytime temperature in Ballycastle in October is a cool 12°C (54°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 Ballycastle during October.
- 1212°C max day temperature
- 33 hours of sunshine per day
- 2121 days with some rainfall
- 77°C min night temperature
- 123123 mm of monthly rainfall
On average 123 mm (4.8 inches) of rain normally falls in Ballycastle during October with rain falling on 21 days of the month.
Ballycastle weather in November
The average maximum daytime temperature in Ballycastle in November is a cool 9°C (48°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 Ballycastle during November.
- 99°C max day temperature
- 22 hours of sunshine per day
- 2121 days with some rainfall
- 44°C min night temperature
- 122122 mm of monthly rainfall
On average 122 mm (4.8 inches) of rain normally falls in Ballycastle during November with rain falling on 21 days of the month.
Ballycastle weather in December
The average maximum daytime temperature in Ballycastle 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 Ballycastle during December.
- 88°C max day temperature
- 11 hour of sunshine per day
- 2222 days with some rainfall
- 33°C min night temperature
- 118118 mm of monthly rainfall
On average 118 mm (4.6 inches) of rain normally falls in Ballycastle during December with rain falling on 22 days of the month.