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 (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
45°F maximum daytime temperature in January in Ballycastle45
45°F maximum daytime temperature in February in Ballycastle45
46°F maximum daytime temperature in March in Ballycastle46
50°F maximum daytime temperature in April in Ballycastle50
55°F maximum daytime temperature in May in Ballycastle55
61°F maximum daytime temperature in June in Ballycastle61
63°F maximum daytime temperature in July in Ballycastle63
63°F maximum daytime temperature in August in Ballycastle63
59°F maximum daytime temperature in September in Ballycastle59
54°F maximum daytime temperature in October in Ballycastle54
48°F maximum daytime temperature in November in Ballycastle48
45°F maximum daytime temperature in December in Ballycastle45
Min temperature (night-time)
36°F minimum night-time temperature in January in Ballycastle36
34°F minimum night-time temperature in February in Ballycastle34
36°F minimum night-time temperature in March in Ballycastle36
37°F minimum night-time temperature in April in Ballycastle37
43°F minimum night-time temperature in May in Ballycastle43
46°F minimum night-time temperature in June in Ballycastle46
50°F minimum night-time temperature in July in Ballycastle50
50°F minimum night-time temperature in August in Ballycastle50
48°F minimum night-time temperature in September in Ballycastle48
45°F minimum night-time temperature in October in Ballycastle45
37°F minimum night-time temperature in November in Ballycastle37
36°F minimum night-time temperature in December in Ballycastle36
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
48°F sea temperature in January in Ballycastle48
46°F sea temperature in February in Ballycastle46
45°F sea temperature in March in Ballycastle45
46°F sea temperature in April in Ballycastle46
48°F sea temperature in May in Ballycastle48
52°F sea temperature in June in Ballycastle52
54°F sea temperature in July in Ballycastle54
57°F sea temperature in August in Ballycastle57
57°F sea temperature in September in Ballycastle57
55°F sea temperature in October in Ballycastle55
54°F sea temperature in November in Ballycastle54
50°F sea temperature in December in Ballycastle50

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 (inches)
4.7 inches monthly rainfall in January in Ballycastle4.7
3.1 inches monthly rainfall in February in Ballycastle3.1
3.7 inches monthly rainfall in March in Ballycastle3.7
2.7 inches monthly rainfall in April in Ballycastle2.7
2.5 inches monthly rainfall in May in Ballycastle2.5
2.8 inches monthly rainfall in June in Ballycastle2.8
3.1 inches monthly rainfall in July in Ballycastle3.1
3.9 inches monthly rainfall in August in Ballycastle3.9
4.4 inches monthly rainfall in September in Ballycastle4.4
5.0 inches monthly rainfall in October in Ballycastle5.0
4.8 inches monthly rainfall in November in Ballycastle4.8
4.6 inches monthly rainfall in December in Ballycastle4.6

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)  |  Imperial (°F)

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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 (°F)

Ballycastle, Moyle, Northern Ireland
USA (Washington)
45
41
45
45
46
55
50
66
55
75
61
84
63
88
63
86
59
79
54
68
48
57
45
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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