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Chester (MT) Weather and Climate: A Comprehensive Guide

Chester experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It maintains fairly dry conditions year-round. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The climate in Chester is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C in July, the warmest time of the year, to a very cold -1°C during cooler months like December.

At night, temperatures typically drop to an average of around -15°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

With annual rain/snowfall averaging 344 mm, Chester maintains relatively low precipitation levels throughout the seasons. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives moderate rainfall, averaging 68 mm of precipitation, recorded across 12 rainy days. In contrast, the drier season, February brings less snowfall, with 11 mm over 6 snowy days. For more details, please visit our Chester Precipitation page.

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

Forecast for Chester (MT)

Tue   Dec 24
5°C | -6°C
SE 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Wed   Dec 25
4°C | -3°C
W 5 m/s
clear and no rain

clear and no rain

Thu   Dec 26
4°C | -4°C
SW 5 m/s
0.2 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

The best time of year to visit Chester in the United States of America

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Chester have a dry season?
    Yes, the months of January, February, March, October, November and December are very dry.
  • When is winter in Chester?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Chester?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Chester?
    The coldest month is December with an average maximum temperature of -1°C.
  • Which is the wettest month in Chester?
    June tops the wettest month list with 68 mm of rainfall.
  • Which is the driest month in Chester?
    February is the driest month with 11 mm of precipitation.

  • 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.