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Weather Averages for
Avon, IL
Latitude: 40°55'N,
Longitude: 90°37'W,
Elevation: 234.7 m,
Distance: 13.37 km
Average temperature
over 30 years |
°C |
10 |
-5 |
-2 |
4 |
11 |
16 |
21 |
24 |
22 |
18 |
12 |
5 |
-2 |
Average high temperature
over 30 years |
°C |
16 |
0 |
2 |
9 |
17 |
23 |
28 |
30 |
29 |
25 |
18 |
10 |
1 |
Average low temperature
over 30 years |
°C |
4 |
-10 |
-7 |
-1 |
4 |
10 |
15 |
17 |
16 |
12 |
6 |
0 |
-7 |
Highest recorded temperature
over 104 years |
°C |
43 |
20 |
22 |
31 |
33 |
38 |
40 |
43 |
40 |
39 |
33 |
27 |
20 |
Lowest recorded temperature
over 104 years |
°C |
-32 |
-31 |
-32 |
-24 |
-12 |
-3 |
0 |
6 |
3 |
-7 |
-13 |
-20 |
-30 |
Average number of days above 27°C
over 30 years |
days |
30 |
- |
- |
- |
0.1 |
1.1 |
6.2 |
11 |
8.5 |
3.3 |
0.1 |
- |
- |
Average precipitation
over 30 years |
cm |
94.2 |
3.8 |
3.6 |
7.6 |
9.4 |
9.7 |
10.2 |
11.2 |
9.7 |
10.2 |
7.6 |
6.1 |
5.8 |
Average number of days below -1.5°C
over 30 years |
days |
131 |
29 |
25 |
20 |
6.8 |
0.4 |
- |
- |
- |
0.3 |
4.6 |
17 |
27 |
Average number of days below -17.5°C
over 30 years |
days |
11 |
5.1 |
3.1 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
0.1 |
2.6 |
Average snowfall
over 30 years |
cm |
71.6 |
18.8 |
16.3 |
10.9 |
3.0 |
- |
- |
- |
- |
- |
0.5 |
5.1 |
17.0 |
Most rain reported in a day
over 104 years |
cm |
16.5 |
5.8 |
5.6 |
6.9 |
7.9 |
7.1 |
14.7 |
16.5 |
12.4 |
11.4 |
10.4 |
6.3 |
5.6 |
Most rain reported in a month
over 104 years |
cm |
136.7 |
14.5 |
10.4 |
14.0 |
20.8 |
28.7 |
35.6 |
32.0 |
25.4 |
50.8 |
37.6 |
18.8 |
12.2 |
Least rain reported in a month
over 104 years |
cm |
55.9 |
- |
0.3 |
0.8 |
2.5 |
2.3 |
2.0 |
0.3 |
1.0 |
- |
0.3 |
- |
0.3 |
Heating degree days
over 30 years |
days |
6058 |
1309 |
1062 |
798 |
400 |
149 |
17 |
3 |
8 |
92 |
348 |
721 |
1151 |
Cooling degree days
over 30 years |
days |
986 |
- |
- |
1 |
14 |
71 |
209 |
321 |
248 |
106 |
16 |
- |
- |
Most snow reported in a month
over 104 years |
cm |
136.1 |
53.6 |
45.7 |
66.0 |
24.4 |
0.8 |
- |
- |
- |
2.8 |
14.0 |
29.5 |
47.0 |
Check weather averages for nearby locations (some locations might offer more data):
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