Weather in Boulder in Spring
| March | April | May | ||||
| Average day temperature: | ||||||
| Average day temperature: | 38.3°F | 44.8°F | 55.9°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 24.3°F | 29.1°F | 39.4°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 12 days | 13 days | 10 days | |||
| Day length: | ||||||
| Day length: | 11.3 - 12.6 h. | 12.7 - 13.9 h. | 13.9 - 14.8 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 1 day | 1 day | 4 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.5 in. | 1.6 in. | 2.5 in. | |||
| Number of snow days: | ||||||
| Number of snow days: | 2 days | 2 days | 0 days | |||
Day & Night air temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Boulder
Boulder on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Boulder
Local time: 14:08
December 16, tuesday
1500

50°F
E
6 mph
6 mph
1800

48°F
E
9 mph
9 mph
2100

45°F
NE
9 mph
9 mph
December 17, wednesday
0000

43°F
E
12 mph
12 mph
0300

41°F
E
12 mph
12 mph
0600

41°F
E
11 mph
11 mph
0900

45°F
NE
8 mph
8 mph
1200

52°F
N
3 mph
3 mph




























