Hanwell weather
The Hanwell weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Hanwell, Greater London, England in 2026/2027.
Hanwell weather averages
Check the Hanwell 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 Hanwell, Greater London, England.
Hanwell weather by month
Check the weather for Hanwell, Greater London, 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.
Hanwell weather in January
The average maximum daytime temperature in Hanwell 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 Hanwell 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 Hanwell during January with rain falling on 16 days of the month.
Hanwell weather in February
The average maximum daytime temperature in Hanwell 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 Hanwell during February.
- 7°C max day temperature
7 - 2 hours of sunshine per day
2 - 13 days with some rainfall
13 - 1°C min night temperature
1 - 50 mm of monthly rainfall
50
On average 50 mm (2 inches) of rain normally falls in Hanwell during February with rain falling on 13 days of the month.
Hanwell weather in March
The average maximum daytime temperature in Hanwell 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 Hanwell during March.
- 10°C max day temperature
10 - 4 hours of sunshine per day
4 - 15 days with some rainfall
15 - 2°C min night temperature
2 - 58 mm of monthly rainfall
58
On average 58 mm (2.3 inches) of rain normally falls in Hanwell during March with rain falling on 15 days of the month.
Hanwell weather in April
The average maximum daytime temperature in Hanwell 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 Hanwell during April.
- 12°C max day temperature
12 - 5 hours of sunshine per day
5 - 13 days with some rainfall
13 - 4°C min night temperature
4 - 53 mm of monthly rainfall
53
On average 53 mm (2.1 inches) of rain normally falls in Hanwell during April with rain falling on 13 days of the month.
Hanwell weather in May
The average maximum daytime temperature in Hanwell 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 Hanwell 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 temperature
6 - 57 mm of monthly rainfall
57
On average 57 mm (2.2 inches) of rain normally falls in Hanwell during May with rain falling on 12 days of the month.
Hanwell weather in June
The average maximum daytime temperature in Hanwell 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 Hanwell during June.
- 19°C max day temperature
19 - 7 hours of sunshine per day
7 - 11 days with some rainfall
11 - 9°C min night temperature
9 - 60 mm of monthly rainfall
60
On average 60 mm (2.4 inches) of rain normally falls in Hanwell during June with rain falling on 11 days of the month.
Hanwell weather in July
The average maximum daytime temperature in Hanwell 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 Hanwell during July.
- 22°C max day temperature
22 - 6 hours of sunshine per day
6 - 10 days with some rainfall
10 - 12°C min night temperature
12 - 41 mm of monthly rainfall
41
On average 41 mm (1.6 inches) of rain normally falls in Hanwell during July with rain falling on 10 days of the month.
Hanwell weather in August
The average maximum daytime temperature in Hanwell 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 Hanwell during August.
- 22°C max day temperature
22 - 6 hours of sunshine per day
6 - 11 days with some rainfall
11 - 11°C min night temperature
11 - 53 mm of monthly rainfall
53
On average 53 mm (2.1 inches) of rain normally falls in Hanwell during August with rain falling on 11 days of the month.
Hanwell weather in September
The average maximum daytime temperature in Hanwell 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 Hanwell during September.
- 18°C max day temperature
18 - 5 hours of sunshine per day
5 - 12 days with some rainfall
12 - 9°C min night temperature
9 - 72 mm of monthly rainfall
72
On average 72 mm (2.8 inches) of rain normally falls in Hanwell during September with rain falling on 12 days of the month.
Hanwell weather in October
The average maximum daytime temperature in Hanwell 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 Hanwell during October.
- 14°C max day temperature
14 - 3 hours of sunshine per day
3 - 14 days with some rainfall
14 - 7°C min night temperature
7 - 79 mm of monthly rainfall
79
On average 79 mm (3.1 inches) of rain normally falls in Hanwell during October with rain falling on 14 days of the month.
Hanwell weather in November
The average maximum daytime temperature in Hanwell 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 Hanwell during November.
- 10°C max day temperature
10 - 2 hours of sunshine per day
2 - 15 days with some rainfall
15 - 3°C min night temperature
3 - 74 mm of monthly rainfall
74
On average 74 mm (2.9 inches) of rain normally falls in Hanwell during November with rain falling on 15 days of the month.
Hanwell weather in December
The average maximum daytime temperature in Hanwell 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 Hanwell during December.
- 8°C max day temperature
8 - 2 hours of sunshine per day
2 - 15 days with some rainfall
15 - 2°C min night temperature
2 - 79 mm of monthly rainfall
79
On average 79 mm (3.1 inches) of rain normally falls in Hanwell during December with rain falling on 15 days of the month.
