Howth weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Howth (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	8	8	10	12	15	18	19	19	17	14	10	9
Min temperature (night-time)	3	3	3	5	7	10	12	11	10	8	4	3
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	9	8	7	8	10	12	14	15	14	13	12	10

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

Sunshine & UV index in Howth

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	3	4	5	6	6	5	5	4	3	2	2
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 Howth

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	19	15	17	15	16	15	14	16	16	18	17	18
Average monthly rainfall (mm)	62	50	50	47	55	55	51	71	64	67	65	75

More about Howth

Howth by month

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

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The climate guide for Ireland (Howth) 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 Howth?

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

Howth weather in January

Expect daytime maximum temperatures of 8°C in Howth, 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 62 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
62
62 mm of monthly rainfall
0
No UV (Maximum) Index UV index
9
9°C sea temperature

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Howth weather in February

Expect daytime maximum temperatures of 8°C in Howth, 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 50 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
50
50 mm of monthly rainfall
1
1 (Low) UV index
8
8°C sea temperature

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Howth weather in March

Expect daytime maximum temperatures of 10°C in Howth, 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 50 mm of rainfall in the month.

10
10°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
50
50 mm of monthly rainfall
2
2 (Low) UV index
7
7°C sea temperature

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Howth weather in April

Expect daytime maximum temperatures of 12°C in Howth, Ireland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 47 mm of rainfall in the month.

12
12°C max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
5
5°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
47
47 mm of monthly rainfall
4
4 (Moderate) UV index
8
8°C sea temperature

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Howth weather in May

Expect daytime maximum temperatures of 15°C in Howth, 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 55 mm of rainfall in the month.

15
15°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
55
55 mm of monthly rainfall
5
5 (Moderate) UV index
10
10°C sea temperature

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Howth weather in June

Expect daytime maximum temperatures of 18°C in Howth, Ireland in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 55 mm of rainfall in the month.

18
18°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
10
10°C min night temperature
17
17 hours of daylight per day
0
No heat & humidity
55
55 mm of monthly rainfall
6
6 (High) UV index
12
12°C sea temperature

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Howth weather in July

Expect daytime maximum temperatures of 19°C in Howth, Ireland in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 51 mm of rainfall in the month.

19
19°C max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
12
12°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
51
51 mm of monthly rainfall
6
6 (High) UV index
14
14°C sea temperature

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Howth weather in August

Expect daytime maximum temperatures of 19°C in Howth, 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 71 mm of rainfall in the month.

19
19°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
71
71 mm of monthly rainfall
5
5 (Moderate) UV index
15
15°C sea temperature

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Howth weather in September

Expect daytime maximum temperatures of 17°C in Howth, 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 64 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
64
64 mm of monthly rainfall
4
4 (Moderate) UV index
14
14°C sea temperature

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Howth weather in October

Expect daytime maximum temperatures of 14°C in Howth, 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 67 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
67
67 mm of monthly rainfall
2
2 (Low) UV index
13
13°C sea temperature

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Howth weather in November

Expect daytime maximum temperatures of 10°C in Howth, 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 65 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
4
4°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
65
65 mm of monthly rainfall
1
1 (Low) UV index
12
12°C sea temperature

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Howth weather in December

Expect daytime maximum temperatures of 9°C in Howth, 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 75 mm of rainfall in the month.