World Resorts USA Boulder Weather

Boulder weather in April

Weather in Boulder: April

Average day temperature: 44.8°F
Average night temperature: 29.1°F
Number of sunny days: 13 days
Day length: 12.7 - 13.9 hours
Number of days with precipitation: 3 days
Precipitation totals: 1.6 in.

Air temperature in April, °F

Show year:
2025
2024
2023

The highest day temperature during April of 2025 was 67°F. At the same time the lowest night temperature was 14°F. Daily and nightly averages during April were 49.0°F and 31.3°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 1.6 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: 8.1.

Best time for vacation in Boulder

Sunniest months:
September 20 days
October 20 days
November 19 days
Warmest months:
July 75.7 °F
August 74.6 °F
June 69.7 °F
Coldest months:
January 31.8 °F
February 34.7 °F
December 39.0 °F
Rainiest months:
June 6 days
July 4 days
May 4 days
Windiest months:
December 8.7 mph
February 8.4 mph
January 8.3 mph

Boulder on a weather map

Boulder
+45°F
SE 6 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+68°F
+59°F
+70°F
+72°F
+68°F
+34°F
+61°F
+55°F
+66°F
+66°F
+64°F
+52°F
24 Hours Forecast
Boulder
Local time: 03:12
April 09, thursday
0600
41°F
E
2 mph
0900
55°F
W
2 mph
1200
68°F
W
4 mph
1500
72°F
SW
8 mph
1800
66°F
SW
6 mph
2100
55°F
S
5 mph
April 10, friday
0000
46°F
E
4 mph
0300
41°F
E
4 mph
Units of measurement: °C / °F