Best Time To Visit Boulder

Boulder experiences a dry climate that is characterized by mostly sunny weather. With the average temperature at 21.8 degree Celsius, July is the hottest month of the year and with a temperature of -1.1 degree Celsius, January is the coldest month of the year. 

  • Spring (March - May): Spring season in Boulder begins off as cold and slowly as the season progresses, there is a rise in the temperature level.
  • Summer (June - August): Summers in Boulder are warm and dry with little to no rainfall. The annual average low and high temperatures are 10.2 and 21.8 degree Celsius respectively. 
  • Autumn (September - November): As the season of Autumn starts, there is a drop in the mercury level and the season slowly moves on to the colder side.
  • Winter (December - February): The season of winter is mild and at times can be extremely cold. The average minimum and maximum temperatures are -8.5 and 0.8 degree Celsius respectively.

The peak season in Boulder is during the summer season when all the attractions in the city are open. Boulder is crowded by tourists during this time of the year and the expenses are on a higher side. The best time to visit Boulder is during the autumn season when the crowds and the cost of the stay are less. Winter is the offseason in Boulder.

  • 80℉
  • 60℉
  • 40℉
  • 20℉ 0℉
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Highest temperature in Boulder is recorded as 91.4℉ in July.

Lowest temperature in Boulder is recorded as -7.6℉ in January.

  • 80
  • 60
  • 40
  • 20 0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Maximum rain recorded in Boulder is 661.17 mm in May.

Months with no rains or lowest rains in Boulder is November.

  • 100
  • 75
  • 50
  • 25 0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Most humid month in Boulder is January.

Least humid month in Boulder is March.

  • Best time to visit Flatirons in Boulder
    • Everyday : 07:00 AM to 10:00 AM
  • Best time to visit Chautauqua in Boulder
    • Everyday : 07:00 AM to 02:00 PM
  • Best time to visit Pearl Street in Boulder
    • Saturday, Sunday : Closed
    • Monday - Friday : 11:00 AM to 02:00 PM
  • Best time to visit Boulder Creek Path in Boulder
    • Everyday : 03:00 PM to 05:00 PM