Castlebar weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Castlebar (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	7	8	9	12	14	17	18	18	16	13	10	8
Min temperature (night-time)	2	2	3	4	6	9	10	10	9	7	4	3
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0

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

Sunshine & UV index in Castlebar

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	2	3	5	5	5	4	4	3	2	2	1
Daily hours of daylight	8	10	12	14	16	17	16	15	13	11	9	8
UV Index (Maximum)	0	1	2	4	5	6	6	5	4	2	1	0

Rainfall in Castlebar

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	24	19	22	17	19	17	17	20	21	23	23	23
Average monthly rainfall (mm)	129	83	98	66	79	70	68	93	111	131	134	130

More about Castlebar

Castlebar by month

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

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The climate guide for Ireland (Castlebar) 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 Castlebar?

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

Castlebar weather in January

Expect daytime maximum temperatures of 7°C in Castlebar, Ireland in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 24 days with some rainfall and typically 129 mm of rainfall in the month.

7
7°C max day temperature
2
2 hours of sunshine per day
24
24 days with some rainfall
2
2°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
129
129 mm of monthly rainfall
0
No UV (Maximum) Index UV index

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Castlebar weather in February

Expect daytime maximum temperatures of 8°C in Castlebar, Ireland in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 83 mm of rainfall in the month.

8
8°C max day temperature
2
2 hours of sunshine per day
19
19 days with some rainfall
2
2°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
83
83 mm of monthly rainfall
1
1 (Low) UV index

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Castlebar weather in March

Expect daytime maximum temperatures of 9°C in Castlebar, Ireland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 98 mm of rainfall in the month.

9
9°C max day temperature
3
3 hours of sunshine per day
22
22 days with some rainfall
3
3°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
98
98 mm of monthly rainfall
2
2 (Low) UV index

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Castlebar weather in April

Expect daytime maximum temperatures of 12°C in Castlebar, Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 66 mm of rainfall in the month.

12
12°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
4
4°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
66
66 mm of monthly rainfall
4
4 (Moderate) UV index

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Castlebar weather in May

Expect daytime maximum temperatures of 14°C in Castlebar, Ireland in May based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 79 mm of rainfall in the month.

14
14°C max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
6
6°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
79
79 mm of monthly rainfall
5
5 (Moderate) UV index

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Castlebar weather in June

Expect daytime maximum temperatures of 17°C in Castlebar, Ireland in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 70 mm of rainfall in the month.

17
17°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
9
9°C min night temperature
17
17 hours of daylight per day
0
No heat & humidity
70
70 mm of monthly rainfall
6
6 (High) UV index

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Castlebar weather in July

Expect daytime maximum temperatures of 18°C in Castlebar, Ireland in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 68 mm of rainfall in the month.

18
18°C max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
10
10°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
68
68 mm of monthly rainfall
6
6 (High) UV index

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Castlebar weather in August

Expect daytime maximum temperatures of 18°C in Castlebar, Ireland in August based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 93 mm of rainfall in the month.

18
18°C max day temperature
4
4 hours of sunshine per day
20
20 days with some rainfall
10
10°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
93
93 mm of monthly rainfall
5
5 (Moderate) UV index

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Castlebar weather in September

Expect daytime maximum temperatures of 16°C in Castlebar, Ireland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 111 mm of rainfall in the month.

16
16°C max day temperature
3
3 hours of sunshine per day
21
21 days with some rainfall
9
9°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
111
111 mm of monthly rainfall
4
4 (Moderate) UV index

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Castlebar weather in October

Expect daytime maximum temperatures of 13°C in Castlebar, Ireland in October based on long-term weather averages. There are 2 hours of sunshine per day on average with 23 days with some rainfall and typically 131 mm of rainfall in the month.

13
13°C max day temperature
2
2 hours of sunshine per day
23
23 days with some rainfall
7
7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
131
131 mm of monthly rainfall
2
2 (Low) UV index

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Castlebar weather in November

Expect daytime maximum temperatures of 10°C in Castlebar, Ireland in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 23 days with some rainfall and typically 134 mm of rainfall in the month.

10
10°C max day temperature
2
2 hours of sunshine per day
23
23 days with some rainfall
4
4°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
134
134 mm of monthly rainfall
1
1 (Low) UV index

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Castlebar weather in December

Expect daytime maximum temperatures of 8°C in Castlebar, Ireland in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 23 days with some rainfall and typically 130 mm of rainfall in the month.