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

The climate in Basalt is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a very cold 2°C (36°F) during cooler months like December.

At night, you can expect temperatures ranging from 11°C (52°F) in July to around -12°C (10°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

With annual rain/snowfall averaging 409 mm (16 in), Basalt maintains relatively low precipitation levels throughout the seasons. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, August it receives moderate rainfall, averaging 45 mm (1.8 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month June brings less rainfall, with 18 mm (0.7 in) over 6 rainy days. For more details, please visit our Basalt 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 Basalt.

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