Gunnison (CO) Weather & Climate: Best Time to Visit

Visitors to Gunnison can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a very cold -4°C (25°F) during cooler months like January.

At night, you can expect temperatures ranging from 8°C (46°F) in July to around -21°C (-6°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Gunnison's climate is marked by below-average rain/snowfall, accumulating 276 mm (11 in) of precipitation yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, August it receives moderate rainfall, averaging 39 mm (1.5 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month June brings less rainfall, with 11 mm (0.4 in) over 5 rainy days. For more details, please visit our Gunnison Precipitation page.

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

The average number of days each month with precipitation

The relative humidity is moderate throughout the year in Gunnison.

The city experiences its highest humidity in December, reaching 64%. In June, the humidity drops to its lowest level at 43%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year