Aosta in Spring
In spring (March, April and May), Aosta sees average daytime highs around 4°C and overnight lows near -4°C, with 297 mm of precipitation over about 41 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about -2°C in early March to 10°C by late May. The sky is clear or mostly clear about 29% of the time across spring, and the air most often feels dry.
Spring is Aosta's 3rd-best season to visit on our travel score. For the whole year in context, see Aosta's year-round climate.
- Avg daytime high
- 4°C
- 3rd-warmest season
- Avg overnight low
- -4°C
- Precipitation
- 297 mm
- 41 wet days
- Avg wind
- 4 km/h
- Travel score
- 0.4
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Aosta in Spring
Over the season highs climb from about -2°C in early March to 10°C by late May.
A typical spring day in Aosta reaches about 4°C and drops to -4°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Aosta
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 77 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Aosta weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -6° / -12° | 100 | 11.9 | 12.8 | 8.9 | 0.0 |
| Feb | -4° / -12° | 79 | 10.9 | 12 | 10.1 | 0.0 |
| Mar | 0° / -8° | 88 | 12 | 13.2 | 11.6 | 0.0 |
| Apr | 3° / -4° | 97 | 13 | 13.3 | 13.3 | 0.0 |
| May | 8° / 0° | 112 | 16.3 | 8.2 | 14.7 | 1.1 |
| Jun | 13° / 4° | 105 | 16.7 | 2.3 | 15.4 | 3.3 |
| Jul | 16° / 7° | 95 | 15.7 | 0.8 | 15.1 | 4.6 |
| Aug | 16° / 6° | 87 | 13.9 | 0.7 | 13.9 | 4.6 |
| Sep | 12° / 3° | 89 | 12.7 | 2.9 | 12.3 | 2.9 |
| Oct | 7° / -1° | 98 | 12.4 | 7.9 | 10.7 | 0.7 |
| Nov | -0° / -7° | 124 | 13.3 | 13.6 | 9.3 | 0.0 |
| Dec | -5° / -11° | 110 | 12.7 | 13.6 | 8.5 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 29% of the time across spring.
Chance of precipitation in Spring
Aosta gets around 297 mm of rain and snow over 41 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 4 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 48 min in early March to 15 h 12 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.3 kWh/m².
Is spring a good time to visit Aosta?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Aosta.
What to pack for Aosta in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Aosta sees daytime highs around 4°C and nights near -4°C. Pack a warm layer, a heavy coat, rain gear and sun protection. About 41 days see rain.
UV index in Aosta in Spring
Clear-sky midday UV across spring averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Aosta peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 8 | 9 | 9 | 10 | 8 | 6 | 4 | 2 | 2 |
| Level | Low | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Where is Aosta?
Aosta sits at 45.7°N, 7.3°E, 583 m above sea level, in Italy. The nearest listed city is Chamonix, 40 km away.
Topography around Aosta
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aosta.
Within 3 km, the terrain around Aosta has large variations in elevation — a maximum elevation change of 983 m around an average of 764 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,625 m.
The land around Aosta is covered by trees (48%), grassland (27%) and artificial surfaces (23%) within 3 km, trees (48%) and grassland (35%) within 16 km, and trees (42%) and grassland (32%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Aosta (45.7376°, 7.3172°, elevation 583 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.