Measurements:
°C
°F
Boulder
46°F
E 14 mph
Feels like: 38°F
Precip: 0%
World Resorts USA Boulder Weather May Weather in Boulder

Boulder Weather: May

Average Day Temperature: 56.4°F
Average Night Temperature: 37.9°F
Number of Sunny Days: 9 days
Sunshine Hours: 13.9 - 14.8 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.4 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 75°F. The lowest night temperature was 31°F. The average values for day and night temperatures during May were 62.0°F и 45.5°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in May are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Boulder is 2.4 in. It makes may one of the most rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 6.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Boulder in May is 8.2 hours.

Best Time to Visit Boulder
The most sunny months:
September 21 days
October 21 days
November 19 days
The most warm months:
July 76.7 °F
August 75.6 °F
September 70.8 °F
The most cold months:
January 27.2 °F
February 27.8 °F
December 33.0 °F
The most rainy months:
June 6 days
July 5 days
May 4 days
The most windy months:
December 9 mph
February 9 mph
January 8 mph

Boulder on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Boulder
Local time: 04:51
22 dec, sunday
0600 46°F
E
14 mph
0900 46°F
E
12 mph
1200 54°F
E
7 mph
1500 54°F
E
6 mph
1800 50°F
E
9 mph
2100 46°F
E
10 mph
23 dec, monday
0000 42°F
E
10 mph
0300 40°F
E
7 mph