Climate of Aosta, Italy
Area-weighted average across Aosta. For where people actually live and travel, see the cities below.
Aosta, a subdivision of Italy, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from -4.9°C / 23.2°F in January to 11°C / 51.8°F in August, with rainfall from 74 mm / 2.9 in to 117 mm / 4.6 in depending on the season (1190 mm / 46.9 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -4.9°C23.2°F | 105 mm4.1″ | Snowy |
| February | -4.8°C23.4°F | 103 mm4.1″ | Snowy |
| March | -3.4°C25.9°F | 103 mm4.1″ | Snowy |
| April | -1.3°C29.7°F | 105 mm4.1″ | Snowy |
| May | 3.5°C38.3°F | 108 mm4.3″ | — |
| June | 7.1°C44.8°F | 90 mm3.5″ | — |
| July | 10.4°C50.7°F | 74 mm2.9″ | — |
| August | 11°C51.8°F | 85 mm3.3″ | — |
| September | 7.7°C45.9°F | 81 mm3.2″ | — |
| October | 3.5°C38.3°F | 111 mm4.4″ | — |
| November | -1.2°C29.8°F | 117 mm4.6″ | Snowy |
| December | -3.7°C25.3°F | 108 mm4.3″ | Snowy |
Frequently asked questions
What is the best time to visit Aosta?
Aosta, Italy does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 11°C / 51.8°F, and the driest is July at 74 mm / 2.9 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Aosta?
Aosta, Italy has area-weighted monthly average temperatures ranging from -4.9°C / 23.2°F in January to 11°C / 51.8°F in August. Annual rainfall averages about 1190 mm / 46.9 in, with the wettest month being November (117 mm / 4.6 in) and the driest July (74 mm / 2.9 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Aosta?
The hottest month in Aosta is August, with an area-wide average temperature of 11°C / 51.8°F.
What is the coldest month in Aosta?
The coldest month in Aosta is January, with an area-wide average temperature of -4.9°C / 23.2°F.
When does it rain most in Aosta?
The wettest month in Aosta is November, averaging about 117 mm / 4.6 in of rainfall. The driest is July with about 74 mm / 2.9 in.