West Sussex weather by month

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
7°C maximum daytime temperature in January in Bognor Regis7
7°C maximum daytime temperature in February in Bognor Regis7
9°C maximum daytime temperature in March in Bognor Regis9
12°C maximum daytime temperature in April in Bognor Regis12
15°C maximum daytime temperature in May in Bognor Regis15
18°C maximum daytime temperature in June in Bognor Regis18
20°C maximum daytime temperature in July in Bognor Regis20
20°C maximum daytime temperature in August in Bognor Regis20
18°C maximum daytime temperature in September in Bognor Regis18
15°C maximum daytime temperature in October in Bognor Regis15
11°C maximum daytime temperature in November in Bognor Regis11
8°C maximum daytime temperature in December in Bognor Regis8
Hours of sunshine (daily)
Days with some rainfall
17 days with some rainfall in January in Bognor Regis17
13 days with some rainfall in February in Bognor Regis13
15 days with some rainfall in March in Bognor Regis15
12 days with some rainfall in April in Bognor Regis12
13 days with some rainfall in May in Bognor Regis13
10 days with some rainfall in June in Bognor Regis10
9 days with some rainfall in July in Bognor Regis9
11 days with some rainfall in August in Bognor Regis11
11 days with some rainfall in September in Bognor Regis11
14 days with some rainfall in October in Bognor Regis14
15 days with some rainfall in November in Bognor Regis15
16 days with some rainfall in December in Bognor Regis16
Sea temperature °C
8°C sea temperature in January in Bognor Regis8
8°C sea temperature in February in Bognor Regis8
7°C sea temperature in March in Bognor Regis7
9°C sea temperature in April in Bognor Regis9
11°C sea temperature in May in Bognor Regis11
14°C sea temperature in June in Bognor Regis14
16°C sea temperature in July in Bognor Regis16
18°C sea temperature in August in Bognor Regis18
17°C sea temperature in September in Bognor Regis17
15°C sea temperature in October in Bognor Regis15
13°C sea temperature in November in Bognor Regis13
10°C sea temperature in December in Bognor Regis10

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West Sussex by month

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

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The climate guide for West Sussex (Bognor Regis) 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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West Sussex weather averages

Temperature in West Sussex (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in West Sussex (Bognor Regis)7
7°C maximum daytime temperature in February in West Sussex (Bognor Regis)7
9°C maximum daytime temperature in March in West Sussex (Bognor Regis)9
12°C maximum daytime temperature in April in West Sussex (Bognor Regis)12
15°C maximum daytime temperature in May in West Sussex (Bognor Regis)15
18°C maximum daytime temperature in June in West Sussex (Bognor Regis)18
20°C maximum daytime temperature in July in West Sussex (Bognor Regis)20
20°C maximum daytime temperature in August in West Sussex (Bognor Regis)20
18°C maximum daytime temperature in September in West Sussex (Bognor Regis)18
15°C maximum daytime temperature in October in West Sussex (Bognor Regis)15
11°C maximum daytime temperature in November in West Sussex (Bognor Regis)11
8°C maximum daytime temperature in December in West Sussex (Bognor Regis)8
Min temperature (night-time)
2°C minimum night-time temperature in January in West Sussex (Bognor Regis)2
2°C minimum night-time temperature in February in West Sussex (Bognor Regis)2
3°C minimum night-time temperature in March in West Sussex (Bognor Regis)3
5°C minimum night-time temperature in April in West Sussex (Bognor Regis)5
8°C minimum night-time temperature in May in West Sussex (Bognor Regis)8
11°C minimum night-time temperature in June in West Sussex (Bognor Regis)11
13°C minimum night-time temperature in July in West Sussex (Bognor Regis)13
13°C minimum night-time temperature in August in West Sussex (Bognor Regis)13
11°C minimum night-time temperature in September in West Sussex (Bognor Regis)11
9°C minimum night-time temperature in October in West Sussex (Bognor Regis)9
5°C minimum night-time temperature in November in West Sussex (Bognor Regis)5
3°C minimum night-time temperature in December in West Sussex (Bognor Regis)3
Heat & Humidity
No heat & humidity in January in West Sussex (Bognor Regis)0
No heat & humidity in February in West Sussex (Bognor Regis)0
No heat & humidity in March in West Sussex (Bognor Regis)0
No heat & humidity in April in West Sussex (Bognor Regis)0
No heat & humidity in May in West Sussex (Bognor Regis)0
No heat & humidity in June in West Sussex (Bognor Regis)0
No heat & humidity in July in West Sussex (Bognor Regis)0
No heat & humidity in August in West Sussex (Bognor Regis)0
No heat & humidity in September in West Sussex (Bognor Regis)0
No heat & humidity in October in West Sussex (Bognor Regis)0
No heat & humidity in November in West Sussex (Bognor Regis)0
No heat & humidity in December in West Sussex (Bognor Regis)0
Sea temperature
8°C sea temperature in January in West Sussex (Bognor Regis)8
8°C sea temperature in February in West Sussex (Bognor Regis)8
7°C sea temperature in March in West Sussex (Bognor Regis)7
9°C sea temperature in April in West Sussex (Bognor Regis)9
11°C sea temperature in May in West Sussex (Bognor Regis)11
14°C sea temperature in June in West Sussex (Bognor Regis)14
16°C sea temperature in July in West Sussex (Bognor Regis)16
18°C sea temperature in August in West Sussex (Bognor Regis)18
17°C sea temperature in September in West Sussex (Bognor Regis)17
15°C sea temperature in October in West Sussex (Bognor Regis)15
13°C sea temperature in November in West Sussex (Bognor Regis)13
10°C sea temperature in December in West Sussex (Bognor Regis)10

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

Sunshine & UV index in West Sussex

  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 West Sussex (Bognor Regis)9
10 hours of daylight per day in February in West Sussex (Bognor Regis)10
12 hours of daylight per day in March in West Sussex (Bognor Regis)12
14 hours of daylight per day in April in West Sussex (Bognor Regis)14
16 hours of daylight per day in May in West Sussex (Bognor Regis)16
16 hours of daylight per day in June in West Sussex (Bognor Regis)16
16 hours of daylight per day in July in West Sussex (Bognor Regis)16
14 hours of daylight per day in August in West Sussex (Bognor Regis)14
13 hours of daylight per day in September in West Sussex (Bognor Regis)13
11 hours of daylight per day in October in West Sussex (Bognor Regis)11
9 hours of daylight per day in November in West Sussex (Bognor Regis)9
8 hours of daylight per day in December in West Sussex (Bognor Regis)8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in West Sussex (Bognor Regis)1
UV (maximum) index 1 (Low) in February in West Sussex (Bognor Regis)1
UV (maximum) index 3 (Moderate) in March in West Sussex (Bognor Regis)3
UV (maximum) index 4 (Moderate) in April in West Sussex (Bognor Regis)4
UV (maximum) index 6 (High) in May in West Sussex (Bognor Regis)6
UV (maximum) index 6 (High) in June in West Sussex (Bognor Regis)6
UV (maximum) index 6 (High) in July in West Sussex (Bognor Regis)6
UV (maximum) index 6 (High) in August in West Sussex (Bognor Regis)6
UV (maximum) index 4 (Moderate) in September in West Sussex (Bognor Regis)4
UV (maximum) index 2 (Low) in October in West Sussex (Bognor Regis)2
UV (maximum) index 1 (Low) in November in West Sussex (Bognor Regis)1
UV (maximum) index 1 (Low) in December in West Sussex (Bognor Regis)1

Rainfall in West Sussex

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in West Sussex (Bognor Regis)17
13 days with some rainfall in February in West Sussex (Bognor Regis)13
15 days with some rainfall in March in West Sussex (Bognor Regis)15
12 days with some rainfall in April in West Sussex (Bognor Regis)12
13 days with some rainfall in May in West Sussex (Bognor Regis)13
10 days with some rainfall in June in West Sussex (Bognor Regis)10
9 days with some rainfall in July in West Sussex (Bognor Regis)9
11 days with some rainfall in August in West Sussex (Bognor Regis)11
11 days with some rainfall in September in West Sussex (Bognor Regis)11
14 days with some rainfall in October in West Sussex (Bognor Regis)14
15 days with some rainfall in November in West Sussex (Bognor Regis)15
16 days with some rainfall in December in West Sussex (Bognor Regis)16
Average monthly rainfall (mm)
80 mm monthly rainfall in January in West Sussex (Bognor Regis)80
54 mm monthly rainfall in February in West Sussex (Bognor Regis)54
62 mm monthly rainfall in March in West Sussex (Bognor Regis)62
52 mm monthly rainfall in April in West Sussex (Bognor Regis)52
50 mm monthly rainfall in May in West Sussex (Bognor Regis)50
48 mm monthly rainfall in June in West Sussex (Bognor Regis)48
42 mm monthly rainfall in July in West Sussex (Bognor Regis)42
53 mm monthly rainfall in August in West Sussex (Bognor Regis)53
65 mm monthly rainfall in September in West Sussex (Bognor Regis)65
80 mm monthly rainfall in October in West Sussex (Bognor Regis)80
84 mm monthly rainfall in November in West Sussex (Bognor Regis)84
80 mm monthly rainfall in December in West Sussex (Bognor Regis)80

Compare West Sussex weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for West Sussex, England (Bognor Regis) and the UK (London).

Maximum daytime temperature (°C)

West Sussex, England (Bognor Regis)
UK (London)
7
7
7
7
9
10
12
13
15
17
18
20
20
22
20
22
18
19
15
15
11
10
8
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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