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ItalyThe climate of Aosta
The current climate in Aosta features temperatures ranging from a high of 19°C to a low of -1°C throughout the year. The average yearly temperature is around 10°C. At night, temperatures in the colder months average around -6°C and in the warmer months around 9°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 Aosta, Italy.
Temperature records
The highest temperature recorded in Aosta in recent years was 37°C in August 2023. The lowest daytime temperature recorded was -16°C in February 2018.
Precipitation and snowfall
On average, Aosta gets 1409 mm of precipitation each year. Of this, about 206 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of Italy? Check out the climate and weather for spots like Tuscany, Sicily, Lake Garda, or explore other destinations in Italy.
Best time to visit Aosta?
The best time to visit Aosta for mild to warm weather is June up to September. You might get some rain, but the temperatures are just right to explore Aosta.
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Climate Table of Aosta
The climate table of Aosta 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 | |
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| Temp. max (°C) | -1 | 1 | 5 | 8 | 11 | 18 | 19 | 18 | 15 | 10 | 4 | 1 |
| Temp. min (°C) | -6 | -5 | -3 | 0 | 3 | 9 | 9 | 9 | 6 | 3 | -2 | -4 |
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| Precipitation (mm) | 166 | 118 | 104 | 92 | 165 | 77 | 91 | 95 | 53 | 128 | 133 | 187 |
| Snow (cm) | 36 | 29 | 29 | 11 | 14 | 0,1 | 0,1 | 0,4 | 1,0 | 12 | 34 | 39 |
| UV Index | 3 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 5 | 3 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Aosta, Italy. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Aosta
Yearly Temperature in Aosta
Precipitation charts
These charts show the average amount of precipitation in Aosta, Italy. 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 Aosta
Total Yearly Precipitation in Aosta
Average Snowfall per Month in Aosta
Total Yearly Snowfall in Aosta
UV index chart
This chart shows the average UV index per month in Aosta, Italy. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Aosta
Weather experiences in Aosta
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Average weather in Aosta by month
Click on a month below to see detailed weather info for Aosta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.