Carshalton weather
The Carshalton weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Carshalton, Surrey, England in 2026/2027.
Carshalton weather averages
Check the Carshalton 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 Carshalton, Surrey, England.
Carshalton weather by month
Check the weather for Carshalton, Surrey, 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.
Carshalton weather in January
The average maximum daytime temperature in Carshalton in January is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Carshalton during January.
- 7°C max day temperature
7 - 2 hours of sunshine per day
2 - 16 days with some rainfall
16 - 1°C min night temperature
1 - 80 mm of monthly rainfall
80
On average 80 mm (3.1 inches) of rain normally falls in Carshalton during January with rain falling on 16 days of the month.
Carshalton weather in February
The average maximum daytime temperature in Carshalton in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Carshalton during February.
- 7°C max day temperature7
- 2 hours of sunshine per day2
- 13 days with some rainfall
13 - 1°C min night temperature1
- 50 mm of monthly rainfall
50
On average 50 mm (2 inches) of rain normally falls in Carshalton during February with rain falling on 13 days of the month.
Carshalton weather in March
The average maximum daytime temperature in Carshalton in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 4 hours of sunshine a day in Carshalton during March.
- 10°C max day temperature
10 - 4 hours of sunshine per day
4 - 15 days with some rainfall15
- 2°C min night temperature2
- 58 mm of monthly rainfall58
On average 58 mm (2.3 inches) of rain normally falls in Carshalton during March with rain falling on 15 days of the month.
Carshalton weather in April
The average maximum daytime temperature in Carshalton in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Carshalton during April.
- 12°C max day temperature
12 - 5 hours of sunshine per day
5 - 13 days with some rainfall13
- 4°C min night temperature4
- 53 mm of monthly rainfall53
On average 53 mm (2.1 inches) of rain normally falls in Carshalton during April with rain falling on 13 days of the month.
Carshalton weather in May
The average maximum daytime temperature in Carshalton in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Carshalton during May.
- 16°C max day temperature
16 - 6 hours of sunshine per day
6 - 12 days with some rainfall
12 - 6°C min night temperature6
- 57 mm of monthly rainfall57
On average 57 mm (2.2 inches) of rain normally falls in Carshalton during May with rain falling on 12 days of the month.
Carshalton weather in June
The average maximum daytime temperature in Carshalton in June is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 7 hours of sunshine a day in Carshalton during June.
- 19°C max day temperature
19 - 7 hours of sunshine per day
7 - 11 days with some rainfall11
- 9°C min night temperature9
- 60 mm of monthly rainfall60
On average 60 mm (2.4 inches) of rain normally falls in Carshalton during June with rain falling on 11 days of the month.
Carshalton weather in July
The average maximum daytime temperature in Carshalton in July is a warm 22°C (72°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Carshalton during July.
- 22°C max day temperature
22 - 6 hours of sunshine per day6
- 10 days with some rainfall10
- 12°C min night temperature12
- 41 mm of monthly rainfall41
On average 41 mm (1.6 inches) of rain normally falls in Carshalton during July with rain falling on 10 days of the month.
Carshalton weather in August
The average maximum daytime temperature in Carshalton in August is a warm 22°C (72°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 Carshalton during August.
- 22°C max day temperature22
- 6 hours of sunshine per day6
- 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 Carshalton during August with rain falling on 11 days of the month.
Carshalton weather in September
The average maximum daytime temperature in Carshalton in September is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 5 hours of sunshine a day in Carshalton during September.
- 18°C max day temperature18
- 5 hours of sunshine per day5
- 12 days with some rainfall12
- 9°C min night temperature9
- 72 mm of monthly rainfall72
On average 72 mm (2.8 inches) of rain normally falls in Carshalton during September with rain falling on 12 days of the month.
Carshalton weather in October
The average maximum daytime temperature in Carshalton in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Carshalton during October.
- 14°C max day temperature14
- 3 hours of sunshine per day
3 - 14 days with some rainfall14
- 7°C min night temperature7
- 79 mm of monthly rainfall79
On average 79 mm (3.1 inches) of rain normally falls in Carshalton during October with rain falling on 14 days of the month.
Carshalton weather in November
The average maximum daytime temperature in Carshalton in November is a cool 10°C (50°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 Carshalton during November.
- 10°C max day temperature10
- 2 hours of sunshine per day2
- 15 days with some rainfall15
- 3°C min night temperature3
- 74 mm of monthly rainfall74
On average 74 mm (2.9 inches) of rain normally falls in Carshalton during November with rain falling on 15 days of the month.
Carshalton weather in December
The average maximum daytime temperature in Carshalton in December is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 2 hours of sunshine a day in Carshalton during December.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 15 days with some rainfall15
- 2°C min night temperature2
- 79 mm of monthly rainfall79
On average 79 mm (3.1 inches) of rain normally falls in Carshalton during December with rain falling on 15 days of the month.