ClimateForecastNovemberDecember >>

Keystone (CO) Climate by Month

The graphs below provide an overview of the climate in Keystone (Colorado), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for Keystone (CO)

Thu   Nov 14
12°C | -7°C
W 22 km/h
clear and no rain

clear and no rain

Fri   Nov 15
9°C | -5°C
SW 14 km/h
almost clear and no rain

almost clear and no rain

Sat   Nov 16
1°C | -10°C
W 14 km/h
partly cloudy and no rain

partly cloudy and no rain

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

During the months of July and August 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:

  • When is winter in Keystone?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Keystone?
    July has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Keystone?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Keystone?
    July tops the wettest month list with 67 mm of rainfall.
  • Which is the driest month in Keystone?
    June is the driest month with 21 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.