Average data for 10 years
1 April
Monday
+6°
+1°
2 April
Tuesday
+5°
−2°
3 April
Wednesday
+4°
−1°
4 April
Thursday
+8°
+2°
5 April
Friday
+7°
+1°
6 April
Saturday
+8°
+2°
7 April
Sunday
+10°
+2°
8 April
Monday
+7°
0°
9 April
Tuesday
+7°
+1°
10 April
Wednesday
+10°
+3°
11 April
Thursday
+9°
+2°
12 April
Friday
+8°
+1°
13 April
Saturday
+8°
+2°
14 April
Sunday
+8°
+2°
15 April
Monday
+5°
0°
16 April
Tuesday
+5°
0°
17 April
Wednesday
+7°
+2°
18 April
Thursday
+8°
+2°
19 April
Friday
+8°
+3°
20 April
Saturday
+10°
+4°
21 April
Sunday
+10°
+2°
22 April
Monday
+10°
+4°
23 April
Tuesday
+11°
+3°
24 April
Wednesday
+10°
+2°
25 April
Thursday
+8°
+2°
26 April
Friday
+6°
+1°
27 April
Saturday
+9°
+1°
28 April
Sunday
+8°
+2°
29 April
Monday
+8°
+1°
30 April
Tuesday
+7°
+1°
Cities with similar weather in April
Finland
Helsinki
Estonia
Tallinn
Sweden
Stockholm
Kyrgyzstan
Cholpon-Ata
Norway
Oslo
In April, the weather in Boulder is typically cold. Average daily high temperature in April is about 8 degrees above zero. On average, Boulder has 11 partly cloudy, 9 rainy, 8 sunny, and 2 cloudy days in April. The rains are usually moderate. April as well as February, March, and May is considered the most uncomfortable time to visit Boulder.