St Peter Port weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in St Peter Port (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	9	8	10	12	15	17	19	20	18	15	12	10
Min temperature (night-time)	5	4	5	6	9	11	13	14	13	11	7	6
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	10	9	9	10	11	13	15	17	17	16	14	12

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

Sunshine & UV index in St Peter Port

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	3	4	6	8	8	8	7	6	4	2	2
Daily hours of daylight	9	10	12	14	15	16	16	14	13	11	9	8
UV Index (Maximum)	1	2	3	4	6	7	7	6	4	2	1	1

Rainfall in St Peter Port

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	20	16	16	13	13	11	10	11	13	15	18	19
Average monthly rainfall (mm)	92	75	67	49	48	44	37	45	63	81	98	100

More about St Peter Port

St Peter Port by month

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

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The climate guide for Guernsey, represented by St Peter Port, (St Peter Port) 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 St Peter Port?

St Peter Port has a temperate climate with warm summers and some rainfall in all months.

St Peter Port weather in January

Expect daytime maximum temperatures of 9°C in St Peter Port, Guernsey in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 92 mm of rainfall in the month.

9
9°C max day temperature
2
2 hours of sunshine per day
20
20 days with some rainfall
5
5°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
92
92 mm of monthly rainfall
1
1 (Low) UV index
10
10°C sea temperature

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St Peter Port weather in February

Expect daytime maximum temperatures of 8°C in St Peter Port, Guernsey 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 75 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
4
4°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
75
75 mm of monthly rainfall
2
2 (Low) UV index
9
9°C sea temperature

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St Peter Port weather in March

Expect daytime maximum temperatures of 10°C in St Peter Port, Guernsey in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 67 mm of rainfall in the month.

10
10°C max day temperature
4
4 hours of sunshine per day
16
16 days with some rainfall
5
5°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
67
67 mm of monthly rainfall
3
3 (Moderate) UV index
9
9°C sea temperature

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St Peter Port weather in April

Expect daytime maximum temperatures of 12°C in St Peter Port, Guernsey in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 49 mm of rainfall in the month.

12
12°C max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
6
6°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
49
49 mm of monthly rainfall
4
4 (Moderate) UV index
10
10°C sea temperature

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St Peter Port weather in May

Expect daytime maximum temperatures of 15°C in St Peter Port, Guernsey in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 48 mm of rainfall in the month.

15
15°C max day temperature
8
8 hours of sunshine per day
13
13 days with some rainfall
9
9°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
48
48 mm of monthly rainfall
6
6 (High) UV index
11
11°C sea temperature

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St Peter Port weather in June

Expect daytime maximum temperatures of 17°C in St Peter Port, Guernsey in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 44 mm of rainfall in the month.

17
17°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
11
11°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
44
44 mm of monthly rainfall
7
7 (High) UV index
13
13°C sea temperature

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St Peter Port weather in July

Expect daytime maximum temperatures of 19°C in St Peter Port, Guernsey in July based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall.

19
19°C max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
13
13°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
37
37 mm of monthly rainfall
7
7 (High) UV index
15
15°C sea temperature

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St Peter Port weather in August

Expect daytime maximum temperatures of 20°C in St Peter Port, Guernsey in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 45 mm of rainfall in the month.

20
20°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
14
14°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
45
45 mm of monthly rainfall
6
6 (High) UV index
17
17°C sea temperature

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St Peter Port weather in September

Expect daytime maximum temperatures of 18°C in St Peter Port, Guernsey in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 63 mm of rainfall in the month.

18
18°C max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
13
13°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
4
4 (Moderate) UV index
17
17°C sea temperature

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St Peter Port weather in October

Expect daytime maximum temperatures of 15°C in St Peter Port, Guernsey in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 81 mm of rainfall in the month.

15
15°C max day temperature
4
4 hours of sunshine per day
15
15 days with some rainfall
11
11°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
81
81 mm of monthly rainfall
2
2 (Low) UV index
16
16°C sea temperature

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St Peter Port weather in November

Expect daytime maximum temperatures of 12°C in St Peter Port, Guernsey in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 98 mm of rainfall in the month.

12
12°C max day temperature
2
2 hours of sunshine per day
18
18 days with some rainfall
7
7°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
98
98 mm of monthly rainfall
1
1 (Low) UV index
14
14°C sea temperature

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St Peter Port weather in December

Expect daytime maximum temperatures of 10°C in St Peter Port, Guernsey in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 100 mm of rainfall in the month.

10
10°C max day temperature
2
2 hours of sunshine per day
19
19 days with some rainfall
6
6°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
100
100 mm of monthly rainfall
1
1 (Low) UV index
12
12°C sea temperature

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