Saint Helier weather
The Saint Helier weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Saint Helier, Jersey, Channel Islands in 2023/2024.
Saint Helier weather averages
Check the Saint Helier 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 Helier, Jersey, Channel Islands.
Saint Helier weather by month
Check the weather for Saint Helier, Jersey, Channel Islands 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 Helier weather in January
The average maximum daytime temperature in Saint Helier in January is a cool 8°C (46°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 Helier during January.
- 8°C max day temperature
8 - 2 hours of sunshine per day
2 - 19 days with some rainfall
19 - 3°C min night temperature
3 - 114 mm of monthly rainfall
114
On average 114 mm (4.5 inches) of rain normally falls in Saint Helier during January with rain falling on 19 days of the month.
Saint Helier weather in February
The average maximum daytime temperature in Saint Helier in February is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 3 hours of sunshine a day in Saint Helier during February.
- 9°C max day temperature9
- 3 hours of sunshine per day
3 - 17 days with some rainfall
17 - 3°C min night temperature3
- 88 mm of monthly rainfall
88
On average 88 mm (3.5 inches) of rain normally falls in Saint Helier during February with rain falling on 17 days of the month.
Saint Helier weather in March
The average maximum daytime temperature in Saint Helier in March is a cool 11°C (52°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 Saint Helier during March.
- 11°C max day temperature11
- 4 hours of sunshine per day
4 - 17 days with some rainfall17
- 4°C min night temperature
4 - 84 mm of monthly rainfall84
On average 84 mm (3.3 inches) of rain normally falls in Saint Helier during March with rain falling on 17 days of the month.
Saint Helier weather in April
The average maximum daytime temperature in Saint Helier in April is a cool 13°C (55°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 Helier during April.
- 13°C max day temperature
13 - 6 hours of sunshine per day
6 - 14 days with some rainfall
14 - 6°C min night temperature6
- 66 mm of monthly rainfall
66
On average 66 mm (2.6 inches) of rain normally falls in Saint Helier during April with rain falling on 14 days of the month.
Saint Helier weather in May
The average maximum daytime temperature in Saint Helier in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 8 hours of sunshine a day in Saint Helier during May.
- 16°C max day temperature
16 - 8 hours of sunshine per day
8 - 14 days with some rainfall14
- 9°C min night temperature9
- 68 mm of monthly rainfall68
On average 68 mm (2.7 inches) of rain normally falls in Saint Helier during May with rain falling on 14 days of the month.
Saint Helier weather in June
The average maximum daytime temperature in Saint Helier in June is a comfortable 19°C (66°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 Saint Helier during June.
- 19°C max day temperature
19 - 8 hours of sunshine per day8
- 13 days with some rainfall13
- 11°C min night temperature11
- 63 mm of monthly rainfall63
On average 63 mm (2.5 inches) of rain normally falls in Saint Helier during June with rain falling on 13 days of the month.
Saint Helier weather in July
The average maximum daytime temperature in Saint Helier in July is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 8 hours of sunshine a day in Saint Helier during July.
- 21°C max day temperature21
- 8 hours of sunshine per day8
- 11 days with some rainfall
11 - 13°C min night temperature13
- 49 mm of monthly rainfall
49
On average 49 mm (1.9 inches) of rain normally falls in Saint Helier during July with rain falling on 11 days of the month.
Saint Helier weather in August
The average maximum daytime temperature in Saint Helier in August is a warm 22°C (72°F), while the average minimum night-time temperature is a cool 13°C (55°F). You can expect on average 8 hours of sunshine a day in Saint Helier during August.
- 22°C max day temperature
22 - 8 hours of sunshine per day8
- 12 days with some rainfall12
- 13°C min night temperature13
- 67 mm of monthly rainfall67
On average 67 mm (2.6 inches) of rain normally falls in Saint Helier during August with rain falling on 12 days of the month.
Saint Helier weather in September
The average maximum daytime temperature in Saint Helier in September is a comfortable 19°C (66°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 Helier during September.
- 19°C max day temperature19
- 6 hours of sunshine per day6
- 14 days with some rainfall14
- 12°C min night temperature12
- 91 mm of monthly rainfall91
On average 91 mm (3.6 inches) of rain normally falls in Saint Helier during September with rain falling on 14 days of the month.
Saint Helier weather in October
The average maximum daytime temperature in Saint Helier in October is a comfortable 15°C (59°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 Saint Helier during October.
- 15°C max day temperature15
- 4 hours of sunshine per day4
- 17 days with some rainfall17
- 9°C min night temperature9
- 112 mm of monthly rainfall112
On average 112 mm (4.4 inches) of rain normally falls in Saint Helier during October with rain falling on 17 days of the month.
Saint Helier weather in November
The average maximum daytime temperature in Saint Helier in November is a cool 11°C (52°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 Helier during November.
- 11°C max day temperature11
- 3 hours of sunshine per day3
- 19 days with some rainfall19
- 6°C min night temperature6
- 123 mm of monthly rainfall
123
On average 123 mm (4.8 inches) of rain normally falls in Saint Helier during November with rain falling on 19 days of the month.
Saint Helier weather in December
The average maximum daytime temperature in Saint Helier in December 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 2 hours of sunshine a day in Saint Helier during December.
- 9°C max day temperature9
- 2 hours of sunshine per day2
- 19 days with some rainfall19
- 4°C min night temperature4
- 127 mm of monthly rainfall127
On average 127 mm (5 inches) of rain normally falls in Saint Helier during December with rain falling on 19 days of the month.