climigo

Aosta Valley

When to go?

The best months are July–October. Avoid November–March (freezing).

Climate zones

PiedmontFranceSwitzerlandAostaAostaAostaCourmayeurCourmayeurCourmayeurBreuil-CerviniaBreuil-CerviniaBreuil-CerviniaCogneCogneCogneChamois, Aosta ValleyChamois, Aosta ValleyChamois, Aosta ValleyLa ThuileLa ThuileLa ThuileGressoney-La-TrinitéGressoney-La-Trinité

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January −2°−7° snow likely
February −1°−7° snow likely
March 2°−5° snow likely
April 5°−2°
May 9°2°
June 15°7°
July 17°9°
August 16°9°
September 12°5°
October 8°2°
November 2°−3° snow likely
December −1°−6° snow likely

Monthly min and max temperature (°C)

−10°−5°0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDec−7.4 · −2.1 °CJanuary: −7.4 · −2.1 °C−7.2 · −0.8 °CFebruary: −7.2 · −0.8 °C−5.3 · 1.6 °CMarch: −5.3 · 1.6 °C−2.0 · 4.6 °CApril: −2.0 · 4.6 °C2.0 · 9.1 °CMay: 2.0 · 9.1 °C6.8 · 14.8 °CJune: 6.8 · 14.8 °C8.5 · 16.5 °CJuly: 8.5 · 16.5 °C8.5 · 15.9 °CAugust: 8.5 · 15.9 °C5.3 · 11.9 °CSeptember: 5.3 · 11.9 °C2.2 · 8.1 °COctober: 2.2 · 8.1 °C−3.1 · 2.1 °CNovember: −3.1 · 2.1 °C−6.3 · −1.4 °CDecember: −6.3 · −1.4 °C

Monthly min and max temperature (°C)

Jan −7.4 – −2.1 °C
Feb −7.2 – −0.8 °C
Mar −5.3 – 1.6 °C
Apr −2.0 – 4.6 °C
May 2.0 – 9.1 °C
Jun 6.8 – 14.8 °C
Jul 8.5 – 16.5 °C
Aug 8.5 – 15.9 °C
Sep 5.3 – 11.9 °C
Oct 2.2 – 8.1 °C
Nov −3.1 – 2.1 °C
Dec −6.3 – −1.4 °C

How much it rains

January 77 mm11 d
February 61 mm10 d
March 73 mm11 d
April 86 mm13 d
May 110 mm15 d
June 104 mm15 d
July 102 mm13 d
August 100 mm13 d
September 88 mm12 d
October 100 mm12 d
November 118 mm13 d
December 88 mm11 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec77 mm · 11 rain days · 7 mm a dayJanuary: 77 mm · 11 rain days · 7 mm a day61 mm · 10 rain days · 6 mm a dayFebruary: 61 mm · 10 rain days · 6 mm a day73 mm · 11 rain days · 7 mm a dayMarch: 73 mm · 11 rain days · 7 mm a day86 mm · 13 rain days · 7 mm a dayApril: 86 mm · 13 rain days · 7 mm a day110 mm · 15 rain days · 7 mm a dayMay: 110 mm · 15 rain days · 7 mm a day104 mm · 15 rain days · 7 mm a dayJune: 104 mm · 15 rain days · 7 mm a day102 mm · 13 rain days · 8 mm a dayJuly: 102 mm · 13 rain days · 8 mm a day100 mm · 13 rain days · 8 mm a dayAugust: 100 mm · 13 rain days · 8 mm a day88 mm · 12 rain days · 7 mm a daySeptember: 88 mm · 12 rain days · 7 mm a day100 mm · 12 rain days · 8 mm a dayOctober: 100 mm · 12 rain days · 8 mm a day118 mm · 13 rain days · 9 mm a dayNovember: 118 mm · 13 rain days · 9 mm a day88 mm · 11 rain days · 8 mm a dayDecember: 88 mm · 11 rain days · 8 mm a day

Rain days and how much water

Jan 77 mm11 d
Feb 61 mm10 d
Mar 73 mm11 d
Apr 86 mm13 d
May 110 mm15 d
Jun 104 mm15 d
Jul 102 mm13 d
Aug 100 mm13 d
Sep 88 mm12 d
Oct 100 mm12 d
Nov 118 mm13 d
Dec 88 mm11 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 9 h 06
February 10 h 24
March 11 h 52
April 13 h 31
May 14 h 54
June 15 h 40
July 15 h 20
August 14 h 08
September 12 h 34
October 11 h 00
November 9 h 32
December 8 h 44

Mean daylight hours over the whole territory.

Snow on the ground

January 245 cm
February 264 cm
March 273 cm
April 262 cm
May 214 cm
June 143 cm
July 128 cm
August 128 cm
September 128 cm
October 132 cm
November 165 cm
December 213 cm

Mean snow depth on the ground (cm)

0200400 cmJanFebMarAprMayJunJulAugSepOctNovDec245 cmJanuary: 245 cm264 cmFebruary: 264 cm273 cmMarch: 273 cm262 cmApril: 262 cm214 cmMay: 214 cm143 cmJune: 143 cm128 cmJuly: 128 cm128 cmAugust: 128 cm128 cmSeptember: 128 cm132 cmOctober: 132 cm165 cmNovember: 165 cm213 cmDecember: 213 cm

Mean snow depth on the ground (cm)

Jan 245 cm
Feb 264 cm
Mar 273 cm
Apr 262 cm
May 214 cm
Jun 143 cm
Jul 128 cm
Aug 128 cm
Sep 128 cm
Oct 132 cm
Nov 165 cm
Dec 213 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Cities