Herm Island weather
The Herm Island weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Herm Island, Channel Islands.
- Herm Island weather averages
- Herm Island weather by month
- Destinations in Herm Island
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Herm Island weather averages
Check the Herm Island 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 Herm Island, Channel Islands. The Herm Island weather averages shown below are for Herm.
Herm Island weather by month
Check the weather for Herm Island, Channel Islands for a particular month by selecting from the list below. The Herm Island monthly weather averages are for Herm. This gives the best indication of what to expect from the weather months in advance.
Herm Island weather in January
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during January with rain falling on 19 days of the month.
Herm Island weather in February
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during February with rain falling on 17 days of the month.
Herm Island weather in March
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during March with rain falling on 17 days of the month.
Herm Island weather in April
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during April with rain falling on 14 days of the month.
Herm Island weather in May
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during May with rain falling on 14 days of the month.
Herm Island weather in June
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during June with rain falling on 13 days of the month.
Herm Island weather in July
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during July with rain falling on 11 days of the month.
Herm Island weather in August
The average maximum daytime temperature in Herm Island (Herm) 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 7 hours of sunshine a day in Herm Island (Herm) during August.
- 22°C max day temperature
22 - 7 hours of sunshine per day
7 - 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 Herm Island (Herm) during August with rain falling on 12 days of the month.
Herm Island weather in September
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during September with rain falling on 14 days of the month.
Herm Island weather in October
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during October with rain falling on 17 days of the month.
Herm Island weather in November
The average maximum daytime temperature in Herm Island (Herm) 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 2 hours of sunshine a day in Herm Island (Herm) during November.
- 11°C max day temperature11
- 2 hours of sunshine per day2
- 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 Herm Island (Herm) during November with rain falling on 19 days of the month.
Herm Island weather in December
The average maximum daytime temperature in Herm Island (Herm) 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 Herm Island (Herm) 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 Herm Island (Herm) during December with rain falling on 19 days of the month.
Herm Island destinations
Browse the destinations below to find a holiday weather guide to help you plan your next holiday to Herm Island. If you can't find the destination you are looking for, try the destination search.