St Peter Port climate guide

Temperature in St Peter Port (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
9°C maximum daytime temperature in January in St Peter Port9
8°C maximum daytime temperature in February in St Peter Port8
10°C maximum daytime temperature in March in St Peter Port10
12°C maximum daytime temperature in April in St Peter Port12
15°C maximum daytime temperature in May in St Peter Port15
17°C maximum daytime temperature in June in St Peter Port17
19°C maximum daytime temperature in July in St Peter Port19
20°C maximum daytime temperature in August in St Peter Port20
18°C maximum daytime temperature in September in St Peter Port18
15°C maximum daytime temperature in October in St Peter Port15
12°C maximum daytime temperature in November in St Peter Port12
10°C maximum daytime temperature in December in St Peter Port10
Min temperature (night-time)
5°C minimum night-time temperature in January in St Peter Port5
4°C minimum night-time temperature in February in St Peter Port4
5°C minimum night-time temperature in March in St Peter Port5
6°C minimum night-time temperature in April in St Peter Port6
9°C minimum night-time temperature in May in St Peter Port9
11°C minimum night-time temperature in June in St Peter Port11
13°C minimum night-time temperature in July in St Peter Port13
14°C minimum night-time temperature in August in St Peter Port14
13°C minimum night-time temperature in September in St Peter Port13
11°C minimum night-time temperature in October in St Peter Port11
7°C minimum night-time temperature in November in St Peter Port7
6°C minimum night-time temperature in December in St Peter Port6
Sea temperature
10°C sea temperature in January in St Peter Port10
9°C sea temperature in February in St Peter Port9
9°C sea temperature in March in St Peter Port9
10°C sea temperature in April in St Peter Port10
11°C sea temperature in May in St Peter Port11
13°C sea temperature in June in St Peter Port13
15°C sea temperature in July in St Peter Port15
17°C sea temperature in August in St Peter Port17
17°C sea temperature in September in St Peter Port17
16°C sea temperature in October in St Peter Port16
14°C sea temperature in November in St Peter Port14
12°C sea temperature in December in St Peter Port12

Sunshine & Daylight in St Peter Port

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in St Peter Port9
10 hours of daylight per day in February in St Peter Port10
12 hours of daylight per day in March in St Peter Port12
14 hours of daylight per day in April in St Peter Port14
15 hours of daylight per day in May in St Peter Port15
16 hours of daylight per day in June in St Peter Port16
16 hours of daylight per day in July in St Peter Port16
14 hours of daylight per day in August in St Peter Port14
13 hours of daylight per day in September in St Peter Port13
11 hours of daylight per day in October in St Peter Port11
9 hours of daylight per day in November in St Peter Port9
8 hours of daylight per day in December in St Peter Port8

Rainfall in St Peter Port

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in St Peter Port20
16 days with some rainfall in February in St Peter Port16
16 days with some rainfall in March in St Peter Port16
13 days with some rainfall in April in St Peter Port13
13 days with some rainfall in May in St Peter Port13
11 days with some rainfall in June in St Peter Port11
10 days with some rainfall in July in St Peter Port10
11 days with some rainfall in August in St Peter Port11
13 days with some rainfall in September in St Peter Port13
15 days with some rainfall in October in St Peter Port15
18 days with some rainfall in November in St Peter Port18
19 days with some rainfall in December in St Peter Port19
Average monthly rainfall (mm)
92 mm monthly rainfall in January in St Peter Port92
75 mm monthly rainfall in February in St Peter Port75
67 mm monthly rainfall in March in St Peter Port67
49 mm monthly rainfall in April in St Peter Port49
48 mm monthly rainfall in May in St Peter Port48
44 mm monthly rainfall in June in St Peter Port44
37 mm monthly rainfall in July in St Peter Port37
45 mm monthly rainfall in August in St Peter Port45
63 mm monthly rainfall in September in St Peter Port63
81 mm monthly rainfall in October in St Peter Port81
98 mm monthly rainfall in November in St Peter Port98
100 mm monthly rainfall in December in St Peter Port100

More climate for St Peter Port

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in St Peter Port1
UV (maximum) index 2 (Low) in February in St Peter Port2
UV (maximum) index 3 (Moderate) in March in St Peter Port3
UV (maximum) index 4 (Moderate) in April in St Peter Port4
UV (maximum) index 6 (High) in May in St Peter Port6
UV (maximum) index 7 (High) in June in St Peter Port7
UV (maximum) index 7 (High) in July in St Peter Port7
UV (maximum) index 6 (High) in August in St Peter Port6
UV (maximum) index 4 (Moderate) in September in St Peter Port4
UV (maximum) index 2 (Low) in October in St Peter Port2
UV (maximum) index 1 (Low) in November in St Peter Port1
UV (maximum) index 1 (Low) in December in St Peter Port1
Heat & Humidity
No heat & humidity in January in St Peter Port0
No heat & humidity in February in St Peter Port0
No heat & humidity in March in St Peter Port0
No heat & humidity in April in St Peter Port0
No heat & humidity in May in St Peter Port0
No heat & humidity in June in St Peter Port0
No heat & humidity in July in St Peter Port0
No heat & humidity in August in St Peter Port0
No heat & humidity in September in St Peter Port0
No heat & humidity in October in St Peter Port0
No heat & humidity in November in St Peter Port0
No heat & humidity in December in St Peter Port0

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

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

The climate guide for St Peter Port, Guernsey 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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