Saint Johns weather
The Saint Johns weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Saint Johns, Surrey, England in 2026/2027.
Saint Johns weather averages
Check the Saint Johns 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 Saint Johns, Surrey, England.
Saint Johns weather by month
Check the weather for Saint Johns, 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.
Saint Johns weather in January
The average maximum daytime temperature in Saint Johns 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 Saint Johns 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 - 79 mm of monthly rainfall
79
On average 79 mm (3.1 inches) of rain normally falls in Saint Johns during January with rain falling on 16 days of the month.
Saint Johns weather in February
The average maximum daytime temperature in Saint Johns 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 Saint Johns during February.
- 7°C max day temperature7
- 2 hours of sunshine per day2
- 14 days with some rainfall
14 - 1°C min night temperature1
- 53 mm of monthly rainfall
53
On average 53 mm (2.1 inches) of rain normally falls in Saint Johns during February with rain falling on 14 days of the month.
Saint Johns weather in March
The average maximum daytime temperature in Saint Johns 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 Saint Johns 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
- 61 mm of monthly rainfall61
On average 61 mm (2.4 inches) of rain normally falls in Saint Johns during March with rain falling on 15 days of the month.
Saint Johns weather in April
The average maximum daytime temperature in Saint Johns 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 Saint Johns 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
- 54 mm of monthly rainfall54
On average 54 mm (2.1 inches) of rain normally falls in Saint Johns during April with rain falling on 13 days of the month.
Saint Johns weather in May
The average maximum daytime temperature in Saint Johns 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 Saint Johns 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
- 56 mm of monthly rainfall56
On average 56 mm (2.2 inches) of rain normally falls in Saint Johns during May with rain falling on 12 days of the month.
Saint Johns weather in June
The average maximum daytime temperature in Saint Johns 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 Saint Johns 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
- 54 mm of monthly rainfall54
On average 54 mm (2.1 inches) of rain normally falls in Saint Johns during June with rain falling on 11 days of the month.
Saint Johns weather in July
The average maximum daytime temperature in Saint Johns 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 Saint Johns during July.
- 22°C max day temperature
22 - 6 hours of sunshine per day6
- 10 days with some rainfall10
- 12°C min night temperature12
- 45 mm of monthly rainfall45
On average 45 mm (1.8 inches) of rain normally falls in Saint Johns during July with rain falling on 10 days of the month.
Saint Johns weather in August
The average maximum daytime temperature in Saint Johns 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 Saint Johns 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 Saint Johns during August with rain falling on 11 days of the month.
Saint Johns weather in September
The average maximum daytime temperature in Saint Johns 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 Saint Johns during September.
- 18°C max day temperature18
- 5 hours of sunshine per day5
- 12 days with some rainfall12
- 9°C min night temperature9
- 70 mm of monthly rainfall70
On average 70 mm (2.8 inches) of rain normally falls in Saint Johns during September with rain falling on 12 days of the month.
Saint Johns weather in October
The average maximum daytime temperature in Saint Johns in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Saint Johns during October.
- 14°C max day temperature14
- 3 hours of sunshine per day
3 - 14 days with some rainfall14
- 6°C min night temperature6
- 77 mm of monthly rainfall77
On average 77 mm (3 inches) of rain normally falls in Saint Johns during October with rain falling on 14 days of the month.
Saint Johns weather in November
The average maximum daytime temperature in Saint Johns 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 Saint Johns during November.
- 10°C max day temperature10
- 2 hours of sunshine per day2
- 15 days with some rainfall15
- 3°C min night temperature3
- 75 mm of monthly rainfall75
On average 75 mm (3 inches) of rain normally falls in Saint Johns during November with rain falling on 15 days of the month.
Saint Johns weather in December
The average maximum daytime temperature in Saint Johns 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 Saint Johns during December.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 16 days with some rainfall16
- 2°C min night temperature2
- 81 mm of monthly rainfall
81
On average 81 mm (3.2 inches) of rain normally falls in Saint Johns during December with rain falling on 16 days of the month.