Weather in Boulder: April
| Average day temperature: | 46.9°F | |
| Average night temperature: | 30.7°F | |
| Number of sunny days: | 13 days | |
| Day length: | 12.7 - 13.9 hours | |
| Number of days with precipitation: | 2 days | |
| Precipitation totals: | 1.5 in. | |
| more information | ||
14 days
forecast
forecast
| Boulder |
weather in
May
May
| Boulder |
Air temperature in April, °F
Show year:
2026
2025
2024
The highest day temperature during April of 2026 was 77°F. At the same time the lowest night temperature was 24°F. Daily and nightly averages during April were 59.7°F and 40.0°F.
Sunny, partly cloudy and cloudy days
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Boulder in April is 1.5 in. Other months of the year show relatively similar values.
Wind speed in April, mph
The average wind speed value in April is 8.0 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 8.3.
Best time for vacation in Boulder
Boulder on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Boulder
Local time: 10:17
August 15, saturday
1200

82°F
W
9 mph
9 mph
1500

82°F
N
8 mph
8 mph
1800

75°F
SW
10 mph
10 mph
2100

59°F
NE
7 mph
7 mph
August 16, sunday
0000

57°F
S
3 mph
3 mph
0300

55°F
E
4 mph
4 mph
0600

54°F
NE
3 mph
3 mph
0900

72°F
NW
2 mph
2 mph




























