The climate of Alónnisos

The current climate in Alónnisos features temperatures ranging from a high of 30°C to a low of 13°C throughout the year. The average yearly temperature is around 22°C. At night, temperatures in the colder months average around 4°C and in the warmer months around 22°C.

Average temperatures and precipitation

This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Alónnisos, Alonissos.

Temperature records

The highest temperature recorded in Alónnisos in recent years was 41°C in July 2023. The lowest daytime temperature recorded was -1°C in January 2017.

Precipitation and snowfall

On average, Alónnisos gets 801 mm of precipitation each year. Of this, about 11 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.

Best time to visit Alónnisos?

The best time to visit Alónnisos for sunny weather is April through November. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Alónnisos. 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 Alónnisos

The climate table of Alónnisos shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 13 14 16 19 24 28 30 30 27 22 19 15
Temp. min (°C) 4 8 7 10 16 20 23 23 19 15 11 9
Precipitation
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Precipitation (mm) 131 129 62 53 24 25 22 22 71 62 84 116
Snow (cm) 9,5 0,8 0,1 0 0 0 0 0 0 0 0 0,1
UV Index 4 5 6 7 8 9 9 8 7 6 4 3

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

Temperature charts

These charts display the average temperatures in Alónnisos, Alonissos. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Average Temperature per Month in Alónnisos

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Yearly Temperature in Alónnisos

Precipitation charts

These charts show the average amount of precipitation in Alónnisos, Alonissos. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Average Precipitation per Month in Alónnisos

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Total Yearly Precipitation in Alónnisos

Average Snowfall per Month in Alónnisos

Total Yearly Snowfall in Alónnisos

UV index chart

This chart shows the average UV index per month in Alónnisos, Alonissos. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Average UV Index per Month in Alónnisos

Weather experiences in Alónnisos

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Average weather in Alónnisos by month

Click on a month below to see detailed weather info for Alónnisos. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.