Weather in January 2025

Boulder weather in January 2025

The weather in Boulder in January is very cold with temperatures between -8°C and 2°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Boulder during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Boulder is going to experience quite a number of days of snow during January. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!

Our weather forecast can give you a great sense of what weather to expect in Boulder in January 2025.

If you’re planning to visit Boulder in the near future, we highly recommend that you review the 14 day weather forecast for Boulder before you arrive.

Temperatures
Temperatures
2° / -8°
Rainy Days
Rainy Days
4
Snowy Days
Snowy Days
10
Dry Days
Dry Days
16
Rainfall
Rainfall
27
mm
11.1
Sun Hours
11.1
Hrs

Boulder annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 2° / -8° 4 16 10 27 mm
Awful
February 1° / -8° 4 10 14 54 mm
Awful
March 7° / -3° 4 17 10 83 mm
Bad
April 11° / 0° 6 17 7 95 mm
Bad
May 15° / 5° 11 17 3 160 mm
Bad
June 23° / 12° 7 23 0 89 mm
Good
July 26° / 15° 8 23 0 115 mm
Good
August 25° / 13° 5 26 0 75 mm
Perfect
September 21° / 10° 4 25 0 66 mm
Good
October 13° / 2° 3 24 4 47 mm
Bad
November 7° / -3° 2 21 7 33 mm
Bad
December 1° / -8° 5 15 11 30 mm
Awful
Temperatures in Boulder in January
Rain in Boulder in January

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Weather in Boulder in January - FAQ

What is the average temperature in Boulder in January?
The average temperature in Boulder in January is -8/2° C.
What is the chance of rain in Boulder in January?
On average, there are 4 rainy days in Boulder during January.
Weather wise, is January a good time to visit Boulder?
The weather in Boulder in January is awful.
Can it snow in Boulder in January?
On average, there are 10 snowy days in Boulder in January.
More about the weather in Boulder