World Resorts USA Boulder Weather

Boulder weather in April

Weather in Boulder: April

Average day temperature: 44.0°F
Average night temperature: 28.7°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:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day temperature   
Night temperature

The highest day temperature during April of 2024 was 69°F. At the same time the lowest night temperature was 25°F. Daily and nightly averages during April were 52.4°F and 40.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
42%
29%
29%

Mostly all days in April are sunny but cloudy days are also possible.

Precipitation total in April, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.8
1.3
1.7
2.1
2.5
2.9
3.4
1.6
2.2
2.5
2.4
1.5
1.6
2.2
2.5
2.4
1.6
1.5

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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.5
8.7
8.2
7.2
6.6
6.3
6.4
7.0
6.7
7.7
8.4
8.3
8.7
8.2
7.2
6.6
6.3
6.4
7.0
6.7
8.0
7.7
8.4
8.3

The average wind speed value in April is 8.0 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.3
5.0
6.6
8.3
9.9
11.6
6.5
7.1
8.5
9.5
9.0
9.5
9.6
8.1
7.1
7.1
6.2
6.5
7.1
8.5
9.5
9.0
9.5
9.6
8.1
7.9
7.1
7.1
6.2

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: 7.9.

Best time for vacation in Boulder

Sunniest months:
September 21 days
October 21 days
November 19 days
Warmest months:
July 74.0 °F
August 73.1 °F
September 68.7 °F
Coldest months:
January 30.0 °F
February 32.0 °F
December 37.0 °F
Rainiest months:
June 6 days
July 5 days
May 4 days
Windiest months:
December 8.7 mph
February 8.4 mph
January 8.3 mph

Boulder on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+43°F
+54°F
+73°F
+73°F
+59°F
+57°F
+75°F
+43°F
+73°F
+55°F
+54°F
+68°F
+72°F
+52°F
+37°F
24 Hours Forecast
Boulder
Local time: 00:06
April 07, monday
0300
27°F
E
9 mph
0600
25°F
E
11 mph
0900
37°F
E
7 mph
1200
48°F
E
6 mph
1500
50°F
E
10 mph
1800
52°F
E
9 mph
2100
39°F
E
11 mph
April 08, tuesday
0000
36°F
E
11 mph
Units of measurement: °C / °F