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Average climate of Alderney

The climate of Alderney has an average yearly temperature of 15°C. Throughout the year, the average monthly temperature can drop to 10°C and rise to 20°C.

Annually, about 672 mm of rain falls. This gives a good overview of how much rain to expect in Alderney.

The best time to visit Alderney is June until September. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Alderney.

Temperature 10 to 20°C
Rain 672 mm
The climate of Alderney
  • Average yearly temperature: 15°C
  • Highest temperature: 20°C in July and August
  • Lowest temperature: 10°C in January and February
  • Precipitation: 672 mm per year, averaging 56 mm per month
  • Driest months: 23 mm in April, 32 mm in July and 34 mm in June
  • Wettest months: 90 mm in November, 88 mm in January and 88 mm in October

Climate table Alderney

The climate table for Alderney shows the average temperatures, precipitation, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 10 10 11 13 15 18 20 20 19 16 13 11
Nighttime temperature (°C) 7 7 7 8 11 13 15 16 15 13 10 8
Precipitation (mm) 88 59 52 23 38 34 32 42 38 88 90 88
UV Index 2 3 4 6 6 7 6 6 5 3 2 1
Best month No No No No No Yes Yes Yes Yes No No No

Temperature per month in Alderney

This graph shows the average high temperatures in degrees Celsius for each month in Alderney

Temperature per month in Alderney

Precipitation per month in Alderney

This graph shows the average monthly precipitation in millimeters in Alderney.

Precipitation per month in Alderney

UV index per month in Alderney

This graph shows the average UV index per month in Alderney.

UV index per month in Alderney

Yearly temperature in Alderney

This graph shows the average yearly temperature in Alderney, measured in degrees Celsius.

Yearly temperature in Alderney

Yearly total precipitation in Alderney

This graph shows the average yearly precipitation in millimeters in Alderney.

Precipitation per year in Alderney

Weather experiences in Alderney

The weather in Alderney is rated an average of 3,8 out of 5 stars by 4 visitors.

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Weather Experience: Excellent

Even though it is 18, 19 degrees outside it is pleasantly warm and the sun is shining.— This text has been automatically translated into English

Weather Experience: Good

An unexpected rain shower can sometimes cool down a room. Nice weather!— This text has been automatically translated into English

Weather Experience: Poor

Most days were cloudy and it rained frequently. The temperature was between 8 and 12 degrees, which was quite cold. Not my favorite time to visit Alderney.— This text has been automatically translated into English

Weather Experience: Good

It was mostly cloudy, but there were also sunny spells. A raincoat is essential. The wind was strong, but refreshing.— This text has been automatically translated into English

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Average weather in Alderney per month

Click on a month below to see in detail how the weather typically is in Alderney and what to expect. Based on the historical weather data of Alderney, you can view the average temperature, precipitation, wind, and UV index for each day of the month.