Boulder
Colorado, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Boulder, CO

Front view of the old building of the University of Colorado in Boulder, Colorado
Front view of the old building of the University of Colorado in Boulder, Colorado

The month with the highest number of rainy days is May (12.1 days).
The month with the lowest number of rainy days is January (5.3 days).

The month with the highest number of snowfall days is March (6.4 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

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