Channel Islands weather
The Channel Islands weather guide shows the monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Channel Islands.
Channel Islands weather averages
Check the Channel Islands 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 Channel Islands. The Channel Islands weather averages shown below are for Saint Helier.
Channel Islands weather by month
Check the weather for Channel Islands for a particular month by selecting from the list below. The Channel Islands monthly weather averages are for Saint Helier. This gives the best indication of what to expect from the weather months in advance.
Channel Islands weather in January
The average maximum daytime temperature in Channel Islands (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 Channel Islands (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 Channel Islands (Saint Helier) during January with rain falling on 19 days of the month.
Channel Islands weather in February
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during February.
- 9°C max day temperature
9
- 3 hours of sunshine per day
3
- 17 days with some rainfall
17
- 3°C min night temperature
3
- 88 mm of monthly rainfall
88
On average 88 mm (3.5 inches) of rain normally falls in Channel Islands (Saint Helier) during February with rain falling on 17 days of the month.
Channel Islands weather in March
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during March.
- 11°C max day temperature
11
- 4 hours of sunshine per day
4
- 17 days with some rainfall
17
- 4°C min night temperature
4
- 84 mm of monthly rainfall
84
On average 84 mm (3.3 inches) of rain normally falls in Channel Islands (Saint Helier) during March with rain falling on 17 days of the month.
Channel Islands weather in April
The average maximum daytime temperature in Channel Islands (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 Channel Islands (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 temperature
6
- 66 mm of monthly rainfall
66
On average 66 mm (2.6 inches) of rain normally falls in Channel Islands (Saint Helier) during April with rain falling on 14 days of the month.
Channel Islands weather in May
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during May.
- 16°C max day temperature
16
- 8 hours of sunshine per day
8
- 14 days with some rainfall
14
- 9°C min night temperature
9
- 68 mm of monthly rainfall
68
On average 68 mm (2.7 inches) of rain normally falls in Channel Islands (Saint Helier) during May with rain falling on 14 days of the month.
Channel Islands weather in June
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during June.
- 19°C max day temperature
19
- 8 hours of sunshine per day
8
- 13 days with some rainfall
13
- 11°C min night temperature
11
- 63 mm of monthly rainfall
63
On average 63 mm (2.5 inches) of rain normally falls in Channel Islands (Saint Helier) during June with rain falling on 13 days of the month.
Channel Islands weather in July
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during July.
- 21°C max day temperature
21
- 8 hours of sunshine per day
8
- 11 days with some rainfall
11
- 13°C min night temperature
13
- 49 mm of monthly rainfall
49
On average 49 mm (1.9 inches) of rain normally falls in Channel Islands (Saint Helier) during July with rain falling on 11 days of the month.
Channel Islands weather in August
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during August.
- 22°C max day temperature
22
- 8 hours of sunshine per day
8
- 12 days with some rainfall
12
- 13°C min night temperature
13
- 67 mm of monthly rainfall
67
On average 67 mm (2.6 inches) of rain normally falls in Channel Islands (Saint Helier) during August with rain falling on 12 days of the month.
Channel Islands weather in September
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during September.
- 19°C max day temperature
19
- 6 hours of sunshine per day
6
- 14 days with some rainfall
14
- 12°C min night temperature
12
- 91 mm of monthly rainfall
91
On average 91 mm (3.6 inches) of rain normally falls in Channel Islands (Saint Helier) during September with rain falling on 14 days of the month.
Channel Islands weather in October
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during October.
- 15°C max day temperature
15
- 4 hours of sunshine per day
4
- 17 days with some rainfall
17
- 9°C min night temperature
9
- 112 mm of monthly rainfall
112
On average 112 mm (4.4 inches) of rain normally falls in Channel Islands (Saint Helier) during October with rain falling on 17 days of the month.
Channel Islands weather in November
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during November.
- 11°C max day temperature
11
- 3 hours of sunshine per day
3
- 19 days with some rainfall
19
- 6°C min night temperature
6
- 123 mm of monthly rainfall
123
On average 123 mm (4.8 inches) of rain normally falls in Channel Islands (Saint Helier) during November with rain falling on 19 days of the month.
Channel Islands weather in December
The average maximum daytime temperature in Channel Islands (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 Channel Islands (Saint Helier) during December.
- 9°C max day temperature
9
- 2 hours of sunshine per day
2
- 19 days with some rainfall
19
- 4°C min night temperature
4
- 127 mm of monthly rainfall
127
On average 127 mm (5 inches) of rain normally falls in Channel Islands (Saint Helier) during December with rain falling on 19 days of the month.
Channel Islands destinations
Browse the destinations below to find a holiday weather guide to help you plan your next holiday to Channel Islands. If you can't find the destination you are looking for, try the destination search.