Wicklow weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Wicklow (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	46	46	48	52	57	63	66	64	63	57	50	48
Min temperature (night-time)	37	37	37	41	45	50	52	52	50	46	41	39
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	46	46	45	46	50	54	57	59	59	57	54	50

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

Sunshine & UV index in Wicklow

	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 Wicklow

	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 (inches)	3.9	3.0	2.9	2.2	2.8	2.2	2.1	2.8	3.4	3.7	3.7	4.4

More about Wicklow

Wicklow by month

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

Recommended for Ireland

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

The climate guide for Ireland (Wicklow) 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 Wicklow?

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

Wicklow weather in January

Expect daytime maximum temperatures of 46°F in Wicklow, 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 3.9 inches of rainfall in the month.

46
46°F max day temperature
2
2 hours of sunshine per day
19
19 days with some rainfall
37
37°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
1
1 (Low) UV index
46
46°F sea temperature

Back to months

Wicklow weather in February

Expect daytime maximum temperatures of 46°F in Wicklow, 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 3.0 inches of rainfall in the month.

46
46°F max day temperature
3
3 hours of sunshine per day
15
15 days with some rainfall
37
37°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
1
1 (Low) UV index
46
46°F sea temperature

Back to months

Wicklow weather in March

Expect daytime maximum temperatures of 48°F in Wicklow, 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 2.9 inches of rainfall in the month.

48
48°F max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
37
37°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
2
2 (Low) UV index
45
45°F sea temperature

Back to months

Wicklow weather in April

Expect daytime maximum temperatures of 52°F in Wicklow, 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 2.2 inches of rainfall in the month.

52
52°F max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
41
41°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
4
4 (Moderate) UV index
46
46°F sea temperature

Back to months

Wicklow weather in May

Expect daytime maximum temperatures of 57°F in Wicklow, 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 2.8 inches of rainfall in the month.

57
57°F max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
45
45°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
5
5 (Moderate) UV index
50
50°F sea temperature

Back to months

Wicklow weather in June

Expect daytime maximum temperatures of 63°F in Wicklow, 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 2.2 inches of rainfall in the month.

63
63°F max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
50
50°F min night temperature
17
17 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
6
6 (High) UV index
54
54°F sea temperature

Back to months

Wicklow weather in July

Expect daytime maximum temperatures of 66°F in Wicklow, 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 2.1 inches of rainfall in the month.

66
66°F max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
52
52°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
2.1
2.1 inches of monthly rainfall
6
6 (High) UV index
57
57°F sea temperature

Back to months

Wicklow weather in August

Expect daytime maximum temperatures of 64°F in Wicklow, 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 2.8 inches of rainfall in the month.

64
64°F max day temperature
5
5 hours of sunshine per day
16
16 days with some rainfall
52
52°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
5
5 (Moderate) UV index
59
59°F sea temperature

Back to months

Wicklow weather in September

Expect daytime maximum temperatures of 63°F in Wicklow, 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 3.4 inches of rainfall in the month.

63
63°F max day temperature
4
4 hours of sunshine per day
16
16 days with some rainfall
50
50°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.4
3.4 inches of monthly rainfall
4
4 (Moderate) UV index
59
59°F sea temperature

Back to months

Wicklow weather in October

Expect daytime maximum temperatures of 57°F in Wicklow, 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 3.7 inches of rainfall in the month.

57
57°F max day temperature
3
3 hours of sunshine per day
18
18 days with some rainfall
46
46°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.7
3.7 inches of monthly rainfall
2
2 (Low) UV index
57
57°F sea temperature

Back to months

Wicklow weather in November

Expect daytime maximum temperatures of 50°F in Wicklow, 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 3.7 inches of rainfall in the month.

50
50°F max day temperature
2
2 hours of sunshine per day
17
17 days with some rainfall
41
41°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
3.7
3.7 inches of monthly rainfall
1
1 (Low) UV index
54
54°F sea temperature

Back to months

Wicklow weather in December

Expect daytime maximum temperatures of 48°F in Wicklow, 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 4.4 inches of rainfall in the month.