Temperatures in December
It's cool in December in Alderney with an average temperature of 11°C. Temperatures this month range from a low of 10°C to a high of 12°C. At night, you can expect temperatures between 7°C and 10°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Alderney in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Alderney with cold temperatures, averaging around 11°C during the day and nights close to 8°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-December
By mid-December, the average daytime temperature rises to around 12°C, with nights close to 9°C. There might be a few showers during this period, but plenty of dry days with sunshine too. Go for a warm coat, jumper or cardigan, and long trousers.
End of December
By the end of December, the average daytime temperature in Alderney will be around 12°C, with nights close to 9°C. A shower might show up, but overall the weather will be dry and sunny. Go for a warm coat, jumper or cardigan, and long trousers.
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Precipitation in December
In December, there is an average of 91 mm of precipitation, spread over 16 days. The wind speed is around 6 Bft, mostly coming from the Southwest.
Across the whole month, the average precipitation chance is 52% per day.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Alderney. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Alderney in December |
UK | ||
|---|---|---|---|
 Average Temperature |
11°C | 9°C | |
 High Temp |
12°C | 11°C | |
| Low Temp |
10°C | 8°C | |
 Total Precipitation |
91 mm | 67 mm | |
| Rainy Days |
16 days | 10 days | |
November
UV index
The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Temperature records for Alderney in December
With 15°C, Alderney hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was 4°C in 2018. The extreme night temperatures ranged from a low of -1°C to a high of 13°C.
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Daily Temperature in December in Alderney
This chart shows the average daily temperatures, both day and night, for each day in December in Alderney, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Alderney
The chart below shows the average daily precipitation in December for Alderney, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 16 days of rain in Alderney.
Daily UV Index in December in Alderney
This chart shows the average daily UV index in December in Alderney, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Alderney Over the Years
This chart shows the average temperature in December in Alderney, measured in degrees Celsius, over the past years.
Total Precipitation in December in Alderney Over the Years
This chart shows the average precipitation in December in Alderney, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Alderney
Click on a specific day in December for detailed info on the typical weather on that day in Alderney. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Alderney
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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.
