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Weather Averages for
Annapolis, IL
Latitude: 39°0'N,
Longitude: 87°37'W,
Elevation: 158.5 m,
Distance: 8.08 km
Average temperature
over 30 years |
°C |
12 |
-3 |
0 |
6 |
12 |
17 |
23 |
24 |
23 |
19 |
13 |
6 |
0 |
Average high temperature
over 30 years |
°C |
17 |
2 |
4 |
11 |
18 |
24 |
29 |
31 |
29 |
26 |
20 |
12 |
4 |
Average low temperature
over 30 years |
°C |
6 |
-8 |
-6 |
0 |
6 |
11 |
16 |
18 |
17 |
12 |
6 |
1 |
-4 |
Highest recorded temperature
over 105 years |
°C |
45 |
23 |
25 |
31 |
34 |
36 |
42 |
45 |
42 |
41 |
35 |
33 |
23 |
Lowest recorded temperature
over 105 years |
°C |
-32 |
-29 |
-32 |
-24 |
-6 |
-2 |
1 |
3 |
5 |
-3 |
-8 |
- |
-30 |
Average number of days above 27°C
over 30 years |
days |
46 |
- |
- |
- |
0.1 |
1.9 |
9.9 |
16 |
13 |
5.6 |
0.4 |
- |
- |
Average precipitation
over 30 years |
cm |
107.7 |
5.6 |
6.3 |
10.7 |
9.9 |
11.4 |
9.4 |
11.7 |
9.1 |
8.4 |
7.4 |
9.1 |
8.6 |
Average number of days below -1.5°C
over 30 years |
days |
104 |
25 |
21 |
15 |
3.8 |
0.1 |
- |
- |
- |
0.1 |
3.4 |
13 |
22 |
Average number of days below -17.5°C
over 30 years |
days |
4.2 |
2.1 |
1.1 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average snowfall
over 30 years |
cm |
55.9 |
16.3 |
15.2 |
8.9 |
1.0 |
- |
- |
- |
- |
- |
- |
3.0 |
11.2 |
Most rain reported in a day
over 105 years |
cm |
15.5 |
9.1 |
6.3 |
12.2 |
6.9 |
10.2 |
8.1 |
15.5 |
12.4 |
10.4 |
8.9 |
10.4 |
9.9 |
Most rain reported in a month
over 105 years |
cm |
150.1 |
30.5 |
19.3 |
29.2 |
24.9 |
28.4 |
25.9 |
32.0 |
25.4 |
29.2 |
27.9 |
29.0 |
24.1 |
Least rain reported in a month
over 105 years |
cm |
64.5 |
- |
0.3 |
0.5 |
2.5 |
1.3 |
1.5 |
- |
- |
0.3 |
0.3 |
1.5 |
0.5 |
Heating degree days
over 30 years |
days |
5031 |
1148 |
915 |
633 |
311 |
104 |
10 |
1 |
2 |
62 |
277 |
588 |
980 |
Cooling degree days
over 30 years |
days |
1248 |
- |
- |
3 |
25 |
100 |
258 |
370 |
319 |
147 |
25 |
1 |
- |
Most snow reported in a month
over 105 years |
cm |
108.0 |
53.3 |
49.5 |
52.1 |
15.2 |
- |
- |
- |
- |
- |
5.1 |
19.1 |
39.4 |
Check weather averages for nearby locations (some locations might offer more data):
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