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Hourly Forecast
Daylight Hours
05:36
Sunrise
20:23
Sunset
Daily Forecast
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Today
Thursday
Friday
Saturday
Sunday
Monday
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Resources
UV Index
Humidity
Frequently asked questions about weather in Boulder
How warm does it get in Boulder?
The warmest month in Boulder is July, with average high temperatures of 28°C. The average temperature during this period is around 20°C.
How cold does it get in Boulder?
The coldest month in Boulder is January, with average low temperatures of -8°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Boulder?
The wettest month in Boulder is May, with an average of 131mm of precipitation.
What is the driest time of year in Boulder?
The driest month in Boulder is December, with an average of 23mm of precipitation.
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