Holyhead weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Holyhead (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	8	8	9	12	14	17	19	19	17	14	11	9
Min temperature (night-time)	3	3	4	5	8	10	12	12	11	9	6	4
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	9	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 Holyhead

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	3	4	6	7	7	6	6	5	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 Holyhead

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	21	16	18	15	16	14	14	16	16	19	20	20
Average monthly rainfall (mm)	86	59	67	54	51	54	55	77	77	95	102	97

More about Holyhead

Holyhead by month

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

Recommended for Wales

Host and Stay discount code: 10% off UK holiday homes

Discount Code

Save 10% on UK holiday homes & apartments
Explore rental properties across England, Scotland & Wales
Book online with Host and Stay discount code

Show discount code

******Y10

Redeem Host and Stay discount code >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Host and Stay offers

The climate guide for Wales (Holyhead) 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 Holyhead?

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

Holyhead weather in January

Expect daytime maximum temperatures of 8°C in Holyhead, Wales in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 21 days with some rainfall and typically 86 mm of rainfall in the month.

8
8°C max day temperature
2
2 hours of sunshine per day
21
21 days with some rainfall
3
3°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
86
86 mm of monthly rainfall
0
No UV (Maximum) Index UV index
9
9°C sea temperature

Back to months

Holyhead weather in February

Expect daytime maximum temperatures of 8°C in Holyhead, Wales in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 59 mm of rainfall in the month.

8
8°C max day temperature
3
3 hours of sunshine per day
16
16 days with some rainfall
3
3°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
59
59 mm of monthly rainfall
1
1 (Low) UV index
8
8°C sea temperature

Back to months

Holyhead weather in March

Expect daytime maximum temperatures of 9°C in Holyhead, Wales in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 67 mm of rainfall in the month.

9
9°C max day temperature
4
4 hours of sunshine per day
18
18 days with some rainfall
4
4°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
67
67 mm of monthly rainfall
2
2 (Low) UV index
7
7°C sea temperature

Back to months

Holyhead weather in April

Expect daytime maximum temperatures of 12°C in Holyhead, Wales in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 54 mm of rainfall in the month.

12
12°C max day temperature
6
6 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
54
54 mm of monthly rainfall
4
4 (Moderate) UV index
8
8°C sea temperature

Back to months

Holyhead weather in May

Expect daytime maximum temperatures of 14°C in Holyhead, Wales in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 51 mm of rainfall in the month.

14
14°C max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
8
8°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
51
51 mm of monthly rainfall
5
5 (Moderate) UV index
10
10°C sea temperature

Back to months

Holyhead weather in June

Expect daytime maximum temperatures of 17°C in Holyhead, Wales in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 54 mm of rainfall in the month.

17
17°C max day temperature
7
7 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
54
54 mm of monthly rainfall
6
6 (High) UV index
12
12°C sea temperature

Back to months

Holyhead weather in July

Expect daytime maximum temperatures of 19°C in Holyhead, Wales in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 55 mm of rainfall in the month.

19
19°C max day temperature
6
6 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
55
55 mm of monthly rainfall
6
6 (High) UV index
14
14°C sea temperature

Back to months

Holyhead weather in August

Expect daytime maximum temperatures of 19°C in Holyhead, Wales in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 77 mm of rainfall in the month.

19
19°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
12
12°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
77
77 mm of monthly rainfall
5
5 (Moderate) UV index
15
15°C sea temperature

Back to months

Holyhead weather in September

Expect daytime maximum temperatures of 17°C in Holyhead, Wales in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 77 mm of rainfall in the month.

17
17°C max day temperature
5
5 hours of sunshine per day
16
16 days with some rainfall
11
11°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
77
77 mm of monthly rainfall
4
4 (Moderate) UV index
15
15°C sea temperature

Back to months

Holyhead weather in October

Expect daytime maximum temperatures of 14°C in Holyhead, Wales in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 19 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
19
19 days with some rainfall
9
9°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

Back to months

Holyhead weather in November

Expect daytime maximum temperatures of 11°C in Holyhead, Wales in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 102 mm of rainfall in the month.

11
11°C max day temperature
2
2 hours of sunshine per day
20
20 days with some rainfall
6
6°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
102
102 mm of monthly rainfall
1
1 (Low) UV index
12
12°C sea temperature

Back to months

Holyhead weather in December

Expect daytime maximum temperatures of 9°C in Holyhead, Wales in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 97 mm of rainfall in the month.