Ballycastle weather by month

Check out Ballycastle weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Ballycastle (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Ballycastle7
7°C maximum daytime temperature in February in Ballycastle7
8°C maximum daytime temperature in March in Ballycastle8
10°C maximum daytime temperature in April in Ballycastle10
13°C maximum daytime temperature in May in Ballycastle13
16°C maximum daytime temperature in June in Ballycastle16
17°C maximum daytime temperature in July in Ballycastle17
17°C maximum daytime temperature in August in Ballycastle17
15°C maximum daytime temperature in September in Ballycastle15
12°C maximum daytime temperature in October in Ballycastle12
9°C maximum daytime temperature in November in Ballycastle9
7°C maximum daytime temperature in December in Ballycastle7
Min temperature (night-time)
2°C minimum night-time temperature in January in Ballycastle2
1°C minimum night-time temperature in February in Ballycastle1
2°C minimum night-time temperature in March in Ballycastle2
3°C minimum night-time temperature in April in Ballycastle3
6°C minimum night-time temperature in May in Ballycastle6
8°C minimum night-time temperature in June in Ballycastle8
10°C minimum night-time temperature in July in Ballycastle10
10°C minimum night-time temperature in August in Ballycastle10
9°C minimum night-time temperature in September in Ballycastle9
7°C minimum night-time temperature in October in Ballycastle7
3°C minimum night-time temperature in November in Ballycastle3
2°C minimum night-time temperature in December in Ballycastle2
Heat & Humidity
No heat & humidity in January in Ballycastle0
No heat & humidity in February in Ballycastle0
No heat & humidity in March in Ballycastle0
No heat & humidity in April in Ballycastle0
No heat & humidity in May in Ballycastle0
No heat & humidity in June in Ballycastle0
No heat & humidity in July in Ballycastle0
No heat & humidity in August in Ballycastle0
No heat & humidity in September in Ballycastle0
No heat & humidity in October in Ballycastle0
No heat & humidity in November in Ballycastle0
No heat & humidity in December in Ballycastle0
Sea temperature
9°C sea temperature in January in Ballycastle9
8°C sea temperature in February in Ballycastle8
7°C sea temperature in March in Ballycastle7
8°C sea temperature in April in Ballycastle8
9°C sea temperature in May in Ballycastle9
11°C sea temperature in June in Ballycastle11
12°C sea temperature in July in Ballycastle12
14°C sea temperature in August in Ballycastle14
14°C sea temperature in September in Ballycastle14
13°C sea temperature in October in Ballycastle13
12°C sea temperature in November in Ballycastle12
10°C sea temperature in December in Ballycastle10

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Ballycastle

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Ballycastle8
10 hours of daylight per day in February in Ballycastle10
12 hours of daylight per day in March in Ballycastle12
14 hours of daylight per day in April in Ballycastle14
16 hours of daylight per day in May in Ballycastle16
17 hours of daylight per day in June in Ballycastle17
17 hours of daylight per day in July in Ballycastle17
15 hours of daylight per day in August in Ballycastle15
13 hours of daylight per day in September in Ballycastle13
10 hours of daylight per day in October in Ballycastle10
8 hours of daylight per day in November in Ballycastle8
7 hours of daylight per day in December in Ballycastle7
UV Index (Maximum)
No UV (maximum) index in January in Ballycastle0
UV (maximum) index 1 (Low) in February in Ballycastle1
UV (maximum) index 2 (Low) in March in Ballycastle2
UV (maximum) index 3 (Moderate) in April in Ballycastle3
UV (maximum) index 5 (Moderate) in May in Ballycastle5
UV (maximum) index 5 (Moderate) in June in Ballycastle5
UV (maximum) index 6 (High) in July in Ballycastle6
UV (maximum) index 5 (Moderate) in August in Ballycastle5
UV (maximum) index 3 (Moderate) in September in Ballycastle3
UV (maximum) index 2 (Low) in October in Ballycastle2
UV (maximum) index 1 (Low) in November in Ballycastle1
No UV (maximum) index in December in Ballycastle0

Rainfall in Ballycastle

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
22 days with some rainfall in January in Ballycastle22
17 days with some rainfall in February in Ballycastle17
20 days with some rainfall in March in Ballycastle20
16 days with some rainfall in April in Ballycastle16
17 days with some rainfall in May in Ballycastle17
16 days with some rainfall in June in Ballycastle16
17 days with some rainfall in July in Ballycastle17
19 days with some rainfall in August in Ballycastle19
20 days with some rainfall in September in Ballycastle20
21 days with some rainfall in October in Ballycastle21
21 days with some rainfall in November in Ballycastle21
21 days with some rainfall in December in Ballycastle21
Average monthly rainfall (mm)
120 mm monthly rainfall in January in Ballycastle120
79 mm monthly rainfall in February in Ballycastle79
93 mm monthly rainfall in March in Ballycastle93
68 mm monthly rainfall in April in Ballycastle68
64 mm monthly rainfall in May in Ballycastle64
72 mm monthly rainfall in June in Ballycastle72
80 mm monthly rainfall in July in Ballycastle80
98 mm monthly rainfall in August in Ballycastle98
113 mm monthly rainfall in September in Ballycastle113
128 mm monthly rainfall in October in Ballycastle128
121 mm monthly rainfall in November in Ballycastle121
118 mm monthly rainfall in December in Ballycastle118

More about Ballycastle

Ballycastle by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Northern Ireland (Ballycastle) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Ballycastle?

Ballycastle has a temperate climate with warm summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Ballycastle hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the UK

Compare Ballycastle with the USA

Below the Ballycastle chart shows average maximum daytime temperature for Ballycastle, Moyle, Northern Ireland and the USA (Washington).

Maximum daytime temperature (°C)

Ballycastle, Moyle, Northern Ireland
USA (Washington)
7
5
7
7
8
13
10
19
13
24
16
29
17
31
17
30
15
26
12
20
9
14
7
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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