Average data for 10 years
1 April
Monday
+16°
+12°
2 April
Tuesday
+17°
+11°
3 April
Wednesday
+16°
+12°
4 April
Thursday
+16°
+12°
5 April
Friday
+16°
+10°
6 April
Saturday
+16°
+11°
7 April
Sunday
+18°
+12°
8 April
Monday
+20°
+12°
9 April
Tuesday
+19°
+13°
10 April
Wednesday
+17°
+12°
11 April
Thursday
+16°
+12°
12 April
Friday
+17°
+12°
13 April
Saturday
+16°
+12°
14 April
Sunday
+19°
+12°
15 April
Monday
+17°
+12°
16 April
Tuesday
+20°
+12°
17 April
Wednesday
+21°
+15°
18 April
Thursday
+20°
+14°
19 April
Friday
+18°
+12°
20 April
Saturday
+17°
+12°
21 April
Sunday
+19°
+11°
22 April
Monday
+19°
+13°
23 April
Tuesday
+20°
+13°
24 April
Wednesday
+22°
+14°
25 April
Thursday
+21°
+16°
26 April
Friday
+18°
+14°
27 April
Saturday
+17°
+13°
28 April
Sunday
+20°
+13°
29 April
Monday
+20°
+14°
30 April
Tuesday
+19°
+14°
Cities with similar weather in April
Turkey
Kemer
Japan
Tokyo
Serbia
Belgrade
Turkey
Beldibi
United States
Page
In April, the weather in O'Fallon is typically warm. Average daily high temperature in April is about 18 degrees above zero. On average, O'Fallon has 12 rainy, 9 sunny, 8 partly cloudy, and 1 cloudy day in April. The rains are usually heavy.