The best time to visit Alderney is from June until October, when you will have a soft or pleasant temperature and limited rainfall. The highest average temperature in in Alderney is 18°C in August and the lowest is 9°C in February.
Alderney has the oceanic climate prevailing. If you want to know what the average temperature is in Alderney or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.
Average Alderney weather by month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Temperature (°C)
10
9
10
11
13
15
17
18
17
16
13
11
Precipitation (mm)
58
41
33
23
21
23
26
34
28
45
71
60
Travel and stay Alderney
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Alderney has the oceanic climate prevailing. There is rainfall during all months of the year. The average annual temperature for Alderney is 13° degrees and there is about 463 mm of rain in a year. It is dry for 131 days a year with an average humidity of 80% and an UV-index of 4.
Alderney
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day temp. (°C)
10
9
10
11
13
15
17
18
17
16
13
11
Night temp. (°C)
8
7
8
10
12
14
16
17
16
14
12
10
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Precipitation (mm)
58
41
33
23
21
23
26
34
28
45
71
60
Days with rain
22
17
16
13
12
10
13
13
12
17
22
21
Dry days
9
11
15
17
19
20
18
18
18
14
8
10
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun hours per day
4
4
6
10
9
9
10
9
9
5
4
4
Wind force (Bft)
5
5
5
4
4
4
4
4
4
5
5
5
UV-index
3
2
3
4
4
4
5
5
5
4
3
3
Alderney weather by month
What is the average Alderney weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
10°C