Aosta weather in March

In March, Aosta sees average daytime highs of 0°C and overnight lows near -8°C, with 88 mm of precipitation across 12 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about -2°C in the first days to 1°C by the end. The sky is clear or mostly clear about 37% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Aosta's 3rd-clearest and 1st-windiest month. For the whole year in context, see Aosta's year-round climate.

Daytime high
8th warmest
Overnight low
-8°
4th coldest
Precipitation
88 mm
12 wet days
Daylight
11 h 36 min
6:52 AM – 6:28 PM
Cloud cover
55%
3rd clearest
Wind
4 km/h
1st windiest
Solar energy
4.45 kWh/m²
Travel score
0.0
out of 10
Air quality
Moderate
PM2.5 10.5 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about -2°C in the first days to 1°C by the end.

A typical March day in Aosta reaches about 0°C in the afternoon and slips back to -8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 5°C. Set against its neighbours, March runs about 4°C warmer than February and about 3°C cooler than April.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
1-2-10
2-2-10
3-2-10
4-2-10
5-2-9
6-1-9
7-1-9
8-1-9
9-1-9
10-1-9
110-8
120-8
130-8
140-8
150-8
160-8
171-7
181-7
191-7
201-7
211-7
221-7
231-7
241-6
251-6
261-6
271-6
281-6
291-6
301-6
312-6

How March really feels in Aosta

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
1 feel bitter (≤ -10°C)

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Aosta weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -12°10011.912.88.90.0
Feb-4° / -12°7910.91210.10.0
Mar / -8°881213.211.60.0
Apr / -4°971313.313.30.0
May / 11216.38.214.71.1
Jun13° / 10516.72.315.43.3
Jul16° / 9515.70.815.14.6
Aug16° / 8713.90.713.94.6
Sep12° / 8912.72.912.32.9
Oct / -1°9812.47.910.70.7
Nov-0° / -7°12413.313.69.30.0
Dec-5° / -11°11012.713.68.50.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44654
54753
64852
75050
85149
95248
105446
115545
125644
135743
145743
155842
165842
175743
185743
195644
205545
215545
225347
235248
245149
254951
264852
274852
284753
294753
304753
314753

Chance of precipitation in March

Any precipitationSnow

Aosta gets around 88 mm of rain and snow over 12 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 43% on the wettest days, and about 13 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14347
24346
34246
44245
54145
64044
74043
83941
93740
103639
113538
123437
133436
143336
153336
163336
173337
183437
193538
203539
213640
223741
233842
243843
253944
264045
274146
284147
294147
304247
314247

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 4 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 48 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over March. Sunrise moves from 7:20 AM to 6:23 AM, and sunset from 6:08 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:206:08
210.87:196:09
310.97:176:10
410.97:156:12
511.07:136:13
611.17:116:15
711.17:096:16
811.27:086:17
911.27:066:19
1011.37:046:20
1111.37:026:22
1211.47:006:23
1311.46:586:24
1411.56:566:26
1511.56:546:27
1611.66:526:28
1711.76:506:30
1811.76:486:31
1911.86:476:32
2011.86:456:34
2111.96:436:35
2211.96:416:37
2312.06:396:38
2412.06:376:39
2512.16:356:41
2612.26:336:42
2712.26:316:43
2812.36:296:45
2912.36:276:46
3012.46:256:47
3112.46:236:49

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.45 kWh/m².

For context, solar energy here swings from a low near 1.55 kWh/m² to a high of 6.01 kWh/m² in June across the year — March's 4.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.7Moderate
33.7Moderate
43.8Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Bright
94.1Bright
104.2Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in March

Is March a good time to visit Aosta?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
7th-best month of the year
Beach & pool
never really warm enough

March is a weaker month for outdoor sightseeing in Aosta.

What to pack for Aosta in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Aosta sees daytime highs around 0°C and nights near -8°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Aosta in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 15UV 10Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr8Very high
May9Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

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.

3 km
983 m
16 km
3,150 m
80 km
4,625 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
March weather nearby: Chamonix 40 km · Martigny-Ville 45 km · Zermatt 46 km · Ivrea 53 km · Sitten 55 km · Sallanches 58 km · Ciriè 60 km · Biella 61 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
Christian 81%unaffiliated 13%Muslim 5%other 1%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).