Selsey weather
The Selsey weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Selsey, West Sussex, England in 2026/2027.
Selsey weather averages
Check the Selsey weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Selsey, West Sussex, England.
Selsey weather by month
Check the weather for Selsey, West Sussex, England for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.
Selsey weather in January
The average maximum daytime temperature in Selsey in January is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Selsey during January.
- 7°C max day temperature
7 - 2 hours of sunshine per day
2 - 16 days with some rainfall
16 - 3°C min night temperature
3 - 93 mm of monthly rainfall
93
On average 93 mm (3.7 inches) of rain normally falls in Selsey during January with rain falling on 16 days of the month.
Selsey weather in February
The average maximum daytime temperature in Selsey in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Selsey during February.
- 7°C max day temperature7
- 3 hours of sunshine per day
3 - 13 days with some rainfall
13 - 2°C min night temperature2
- 63 mm of monthly rainfall
63
On average 63 mm (2.5 inches) of rain normally falls in Selsey during February with rain falling on 13 days of the month.
Selsey weather in March
The average maximum daytime temperature in Selsey in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 4 hours of sunshine a day in Selsey during March.
- 9°C max day temperature
9 - 4 hours of sunshine per day
4 - 15 days with some rainfall15
- 4°C min night temperature4
- 69 mm of monthly rainfall69
On average 69 mm (2.7 inches) of rain normally falls in Selsey during March with rain falling on 15 days of the month.
Selsey weather in April
The average maximum daytime temperature in Selsey in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 6 hours of sunshine a day in Selsey during April.
- 12°C max day temperature
12 - 6 hours of sunshine per day
6 - 12 days with some rainfall
12 - 5°C min night temperature5
- 57 mm of monthly rainfall
57
On average 57 mm (2.2 inches) of rain normally falls in Selsey during April with rain falling on 12 days of the month.
Selsey weather in May
The average maximum daytime temperature in Selsey in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 7 hours of sunshine a day in Selsey during May.
- 15°C max day temperature
15 - 7 hours of sunshine per day
7 - 12 days with some rainfall12
- 8°C min night temperature8
- 49 mm of monthly rainfall49
On average 49 mm (1.9 inches) of rain normally falls in Selsey during May with rain falling on 12 days of the month.
Selsey weather in June
The average maximum daytime temperature in Selsey in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 8 hours of sunshine a day in Selsey during June.
- 18°C max day temperature
18 - 8 hours of sunshine per day
8 - 11 days with some rainfall11
- 11°C min night temperature11
- 53 mm of monthly rainfall53
On average 53 mm (2.1 inches) of rain normally falls in Selsey during June with rain falling on 11 days of the month.
Selsey weather in July
The average maximum daytime temperature in Selsey in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 7 hours of sunshine a day in Selsey during July.
- 20°C max day temperature20
- 7 hours of sunshine per day7
- 9 days with some rainfall
9 - 13°C min night temperature13
- 45 mm of monthly rainfall45
On average 45 mm (1.8 inches) of rain normally falls in Selsey during July with rain falling on 9 days of the month.
Selsey weather in August
The average maximum daytime temperature in Selsey in August is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 7 hours of sunshine a day in Selsey during August.
- 20°C max day temperature20
- 7 hours of sunshine per day7
- 10 days with some rainfall10
- 13°C min night temperature13
- 55 mm of monthly rainfall55
On average 55 mm (2.2 inches) of rain normally falls in Selsey during August with rain falling on 10 days of the month.
Selsey weather in September
The average maximum daytime temperature in Selsey in September is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 6 hours of sunshine a day in Selsey during September.
- 18°C max day temperature18
- 6 hours of sunshine per day6
- 12 days with some rainfall12
- 11°C min night temperature11
- 76 mm of monthly rainfall76
On average 76 mm (3 inches) of rain normally falls in Selsey during September with rain falling on 12 days of the month.
Selsey weather in October
The average maximum daytime temperature in Selsey in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Selsey during October.
- 14°C max day temperature14
- 4 hours of sunshine per day4
- 14 days with some rainfall14
- 9°C min night temperature9
- 93 mm of monthly rainfall93
On average 93 mm (3.7 inches) of rain normally falls in Selsey during October with rain falling on 14 days of the month.
Selsey weather in November
The average maximum daytime temperature in Selsey in November is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 3 hours of sunshine a day in Selsey during November.
- 11°C max day temperature11
- 3 hours of sunshine per day3
- 15 days with some rainfall15
- 5°C min night temperature5
- 97 mm of monthly rainfall97
On average 97 mm (3.8 inches) of rain normally falls in Selsey during November with rain falling on 15 days of the month.
Selsey weather in December
The average maximum daytime temperature in Selsey in December is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Selsey during December.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 16 days with some rainfall16
- 4°C min night temperature4
- 93 mm of monthly rainfall93
On average 93 mm (3.7 inches) of rain normally falls in Selsey during December with rain falling on 16 days of the month.