What’s the climate like in Alderney?
The current climate of Alderney features average monthly temperatures ranging from highs of 20°C during the day to lows of 10°C. The average yearly temperature is around 15°C. At night, temperatures in the colder months average around 6°C and in the warmer months around 15°C.
The highest temperature recorded in Alderney in recent years was 32°C in July 2022. The lowest daytime temperature recorded was -1°C in February 2018.
On average, Alderney receives 709 mm of precipitation each year. For comparison, UK gets 701 mm of precipitation annually.
Best time to visit Alderney?
The best time to visit Alderney for sunny weather is June through September. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Alderney. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Alderney
The climate table of Alderney shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 10 | 10 | 11 | 12 | 15 | 18 | 20 | 19 | 19 | 16 | 13 | 11 |
| Temp. min (°C) | 7 | 6 | 7 | 8 | 11 | 13 | 15 | 16 | 15 | 13 | 10 | 8 |
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| Precipitation (mm) | 90 | 73 | 54 | 25 | 40 | 36 | 31 | 44 | 40 | 92 | 93 | 91 |
| UV Index | 2 | 3 | 4 | 6 | 7 | 7 | 6 | 6 | 5 | 3 | 2 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 15°C
- Highest temperature: 20°C in July
- Lowest temperature: 10°C in January and February
- Precipitation: 709 mm per year, averaging 59 mm per month
- Driest months: 25 mm in April, 31 mm in July and 36 mm in June
- Wettest months: 93 mm in November, 92 mm in October and 91 mm in December
Weather experiences in Alderney
Good
An unexpected rain shower can sometimes cool down a room. Ni... more
Good
It was mostly cloudy, but there were also sunny spells. A ma... more
Table of Contents
Average Temperature per Month in Alderney
This graph shows the average maximum temperatures per month in Alderney. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Alderney
This graph shows how much precipitation Alderney gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Alderney
This graph shows the average UV index per month in Alderney. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Alderney
This graph shows the average yearly temperature in Alderney. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Alderney
This chart shows the total yearly precipitation in Alderney over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Alderney
The weather in Alderney is rated an average of 3,3 out of 5 stars by 3 visitors. Have you been to Alderney? Share your weather experience to help other visitors.
Write your own review
An unexpected rain shower can sometimes cool down a room. Nice weather!— This text is automatically translated to English
Most days were cloudy and it rained regularly. The temperature was between 8 and 12 degrees, which was quite cold. Not my favourite time to visit Alderney.— This text is automatically translated to English
It was mostly cloudy, but there were also sunny spells. A mackintosh is essential. The wind was strong but refreshing.— This text is automatically translated to English
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Average Weather in Alderney by Month
Click on a month below to see detailed weather info for Alderney. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
