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Average weather for Alderney in August

It's pleasantly warm in August in Alderney with an average temperature of 19°C. Temperatures this month range from a low of 18°C to a high of 20°C. At night, you can expect temperatures between 14°C and 16°C.

Daily Temperature in August in Alderney

Start of August

The month of August starts in Alderney with mild temps, averaging around 20°C during the day and nights around 16°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.

Mid August

By mid-August, daytime temps stay steady at around 20°C, with nights around 16°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of August

By the end of August, the average daytime temperature in Alderney is around 20°C, while nighttime temps are about 16°C. A shower might pop up, but overall, the weather will be dry and sunny.

In August, there is an average of 44 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Alderney in August

New York
Temperature Average temperature
19°C 30°C
Sun Max. temperature
20°C 31°C
Sun Min. temperature
18°C -5°C
Rain Total precipitation
44 mm 79 mm
Rain Rainy days
9 days 13 days

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Is August a good time to visit Alderney?

Looking for great weather? August is a good time to be in Alderney. The temperatures are nice, and there’s not too much rain.

Temperature records

With 29°C in 2022, Alderney reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 15°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 20°C.

Check out the climate of Alderney for all months and discover the best travel time

Daily Temperature in August in Alderney

This chart shows the average daily high and low temperatures in August for Alderney, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in August in Alderney

Daily Precipitation in August in Alderney

The chart below shows the average daily precipitation in August for Alderney, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 9 days of precipitation in Alderney.

Daily Precipitation in August in Alderney

Daily UV index in August in Alderney

This chart shows the average daily UV index in August 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.

Daily UV Index in August in Alderney

Temperature in August in Alderney over the years

This chart shows the average temperature in August in Alderney, measured in degrees Celsius, over the past few years.

Temperature in August in Alderney Over the Years

Total precipitation in August in Alderney over the years

This chart shows the average precipitation in August in Alderney, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in August in Alderney over the years

Daily weather in August for Alderney

Click on any day in August to get detailed info about the usual weather on that day in Alderney. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in August 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.


Or check out the climate of Alderney for all months at once

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