Rustington weather
The Rustington weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Rustington, West Sussex, England in 2026/2027.
Rustington weather averages
Check the Rustington 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 Rustington, West Sussex, England.
Rustington weather by month
Check the weather for Rustington, 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.
Rustington weather in January
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during January with rain falling on 16 days of the month.
Rustington weather in February
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during February with rain falling on 13 days of the month.
Rustington weather in March
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during March with rain falling on 15 days of the month.
Rustington weather in April
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during April with rain falling on 12 days of the month.
Rustington weather in May
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during May with rain falling on 12 days of the month.
Rustington weather in June
The average maximum daytime temperature in Rustington 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 7 hours of sunshine a day in Rustington during June.
- 18°C max day temperature
18 - 7 hours of sunshine per day7
- 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 Rustington during June with rain falling on 11 days of the month.
Rustington weather in July
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during July with rain falling on 9 days of the month.
Rustington weather in August
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during August with rain falling on 10 days of the month.
Rustington weather in September
The average maximum daytime temperature in Rustington 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 5 hours of sunshine a day in Rustington during September.
- 18°C max day temperature18
- 5 hours of sunshine per day
5 - 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 Rustington during September with rain falling on 12 days of the month.
Rustington weather in October
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during October with rain falling on 14 days of the month.
Rustington weather in November
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during November with rain falling on 15 days of the month.
Rustington weather in December
The average maximum daytime temperature in Rustington 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 Rustington 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 Rustington during December with rain falling on 16 days of the month.