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Arc 1800 Weather and Climate: A Comprehensive Guide

The climate in Arc 1800 is marked by big temperature swings throughout the year. Temperatures range from mild during the warmest months to very cold in the cooler months. It also experiences much rain/snowfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Arc 1800, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a moderate 17°C in July. In January, the coolest month of the year, temperatures drop to a very cold -4°C.

At night, you can expect cooler temperatures, with averages dropping to around -12°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Arc 1800 experiences significant rain/snowfall throughout the year, averaging 1478 mm of precipitation annually. Despite minor fluctuations, Arc 1800 enjoys fairly consistent precipitation throughout the year. In December, you can expect around 151 mm of precipitation, while in August, Arc 1800 receives about 103 mm.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Arc 1800 can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.2 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 2.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Chamonix-Mont-Blanc, France (38 KM, 24 Miles).

Daily hours of sunshine

Data from: Chamonix-Mont-Blanc, France (38 KM, 24 Miles).

Forecast for Arc 1800

Tue   Dec 24
-5°C | -11°C
E 1 m/s
partly cloudy and no rain

partly cloudy and no rain

Wed   Dec 25
7°C | -9°C
E 1 m/s
clear and no rain

clear and no rain

Thu   Dec 26
8°C | -6°C
E 1 m/s
clear and no rain

clear and no rain

The best time of year to visit Arc 1800 in France

Other facts from our historical weather data:
  • Which is the warmest month in Arc 1800?
    July has an average maximum temperature of 17°C and is the warmest month of the year.
  • Which is the coldest month in Arc 1800?
    The coldest month is January with an average maximum temperature of -4°C.
  • Which is the wettest month in Arc 1800?
    December tops the wettest month list with 151 mm of rainfall.
  • Which is the driest month in Arc 1800?
    August is the driest month with 103 mm of precipitation.
  • Which is the sunniest month in Arc 1800?
    July is the sunniest month with an average of 275 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.