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Greeley (CO) Weather and Climate: A Comprehensive Guide

Greeley experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It maintains relatively low levels of precipitation throughout the seasons. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Greeley is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 33°C in July to a chilly 4°C in December.

Nighttime temperatures can drop, with average lows reaching -10°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Greeley maintains relatively dry conditions year-round, recording average annual precipitation of 389 mm. The seasons in Greeley, bring significant changes in precipitation. The wettest month, May, receives moderate rainfall, with an average of 75 mm of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, January, experiences much less snow/rainfall, totaling 9.4 mm over 3 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Greeley Precipitation page.

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

Forecast for Greeley (CO)

Sun   Dec 22
11°C | -2°C
SE 3 m/s
broken clouds and no rain

broken clouds and no rain

Mon   Dec 23
12°C | -2°C
SE 4 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
11°C | -4°C
SE 4 m/s
partly cloudy and no rain

partly cloudy and no rain

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

Other facts from our historical weather data:
  • When is summer in Greeley?
    The hottest season / summer takes place in June, July, August and September.
  • Does Greeley have a dry season?
    Yes, the months of January, February, March and November are very dry.
  • Which is the warmest month in Greeley?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Greeley?
    The coldest month is December with an average maximum temperature of 4°C.
  • Which is the wettest month in Greeley?
    May tops the wettest month list with 75 mm of rainfall.
  • Which is the driest month in Greeley?
    January is the driest month with 9 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.