Arklow weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Arklow (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	8	8	9	11	14	17	19	18	17	14	10	9
Min temperature (night-time)	3	3	3	5	7	10	11	11	10	8	5	4
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	8	8	7	8	10	12	14	15	15	14	12	10

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

Sunshine & UV index in Arklow

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

Rainfall in Arklow

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	19	15	17	14	16	14	13	16	16	18	17	18
Average monthly rainfall (mm)	98	75	74	57	70	56	54	72	87	95	95	113

More about Arklow

Arklow by month

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

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The climate guide for Ireland (Arklow) 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 Arklow?

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

Arklow weather in January

Expect daytime maximum temperatures of 8°C in Arklow, Ireland in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 98 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
3
3°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
98
98 mm of monthly rainfall
1
1 (Low) UV index
8
8°C sea temperature

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Arklow weather in February

Expect daytime maximum temperatures of 8°C in Arklow, Ireland in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 15 days with some rainfall and typically 75 mm of rainfall in the month.

8
8°C max day temperature
3
3 hours of sunshine per day
15
15 days with some rainfall
3
3°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
75
75 mm of monthly rainfall
1
1 (Low) UV index
8
8°C sea temperature

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Arklow weather in March

Expect daytime maximum temperatures of 9°C in Arklow, Ireland in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 74 mm of rainfall in the month.

9
9°C max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
3
3°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
74
74 mm of monthly rainfall
2
2 (Low) UV index
7
7°C sea temperature

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Arklow weather in April

Expect daytime maximum temperatures of 11°C in Arklow, Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 57 mm of rainfall in the month.

11
11°C max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
5
5°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
57
57 mm of monthly rainfall
4
4 (Moderate) UV index
8
8°C sea temperature

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Arklow weather in May

Expect daytime maximum temperatures of 14°C in Arklow, Ireland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 70 mm of rainfall in the month.

14
14°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
7
7°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
70
70 mm of monthly rainfall
5
5 (Moderate) UV index
10
10°C sea temperature

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Arklow weather in June

Expect daytime maximum temperatures of 17°C in Arklow, Ireland in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 56 mm of rainfall in the month.

17
17°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
10
10°C min night temperature
17
17 hours of daylight per day
0
No heat & humidity
56
56 mm of monthly rainfall
6
6 (High) UV index
12
12°C sea temperature

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Arklow weather in July

Expect daytime maximum temperatures of 19°C in Arklow, Ireland in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 54 mm of rainfall in the month.

19
19°C max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
11
11°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
54
54 mm of monthly rainfall
6
6 (High) UV index
14
14°C sea temperature

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Arklow weather in August

Expect daytime maximum temperatures of 18°C in Arklow, Ireland in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 72 mm of rainfall in the month.

18
18°C max day temperature
5
5 hours of sunshine per day
16
16 days with some rainfall
11
11°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
72
72 mm of monthly rainfall
5
5 (Moderate) UV index
15
15°C sea temperature

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Arklow weather in September

Expect daytime maximum temperatures of 17°C in Arklow, Ireland in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 87 mm of rainfall in the month.

17
17°C max day temperature
4
4 hours of sunshine per day
16
16 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
87
87 mm of monthly rainfall
4
4 (Moderate) UV index
15
15°C sea temperature

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Arklow weather in October

Expect daytime maximum temperatures of 14°C in Arklow, Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 95 mm of rainfall in the month.

14
14°C max day temperature
3
3 hours of sunshine per day
18
18 days with some rainfall
8
8°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
95
95 mm of monthly rainfall
2
2 (Low) UV index
14
14°C sea temperature

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Arklow weather in November

Expect daytime maximum temperatures of 10°C in Arklow, Ireland in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 95 mm of rainfall in the month.

10
10°C max day temperature
2
2 hours of sunshine per day
17
17 days with some rainfall
5
5°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
95
95 mm of monthly rainfall
1
1 (Low) UV index
12
12°C sea temperature

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Arklow weather in December

Expect daytime maximum temperatures of 9°C in Arklow, Ireland in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 113 mm of rainfall in the month.