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Weather Averages for
Iowa City, IA
Latitude: 41°39'N,
Longitude: 91°31'W,
Elevation: 195.1 m,
Distance: 2.70 km
Average temperature over 30 years |
°C |
10 |
-6 |
-3 |
3 |
10 |
17 |
22 |
24 |
23 |
18 |
12 |
4 |
-3 |
Average high temperature over 30 years |
°C |
16 |
-1 |
1 |
9 |
17 |
23 |
28 |
30 |
29 |
25 |
19 |
9 |
1 |
Average low temperature over 30 years |
°C |
4 |
-11 |
-8 |
-2 |
4 |
10 |
15 |
18 |
16 |
12 |
6 |
0 |
-7 |
Highest recorded temperature over 101 years |
°C |
42 |
20 |
22 |
31 |
33 |
40 |
40 |
42 |
42 |
38 |
34 |
27 |
19 |
Lowest recorded temperature over 101 years |
°C |
-35 |
-35 |
-35 |
-27 |
-12 |
-3 |
2 |
6 |
3 |
-6 |
-15 |
-21 |
-32 |
Average number of days above 27°C over 30 years |
days |
27 |
- |
- |
- |
0.1 |
0.7 |
5.5 |
10 |
7.5 |
2.8 |
0.1 |
- |
- |
Average precipitation over 30 years |
cm |
92.2 |
2.5 |
2.5 |
6.1 |
9.4 |
10.2 |
11.4 |
12.4 |
11.2 |
9.9 |
7.1 |
5.3 |
4.1 |
Average number of days below -1.5°C over 30 years |
days |
135 |
29 |
25 |
21 |
7.7 |
0.6 |
- |
- |
- |
0.4 |
5.4 |
19 |
28 |
Average number of days below -17.5°C over 30 years |
days |
15 |
6.6 |
4.1 |
0.4 |
- |
- |
- |
- |
- |
- |
- |
0.2 |
3.6 |
Average snowfall over 30 years |
cm |
66.5 |
16.0 |
14.7 |
10.2 |
4.3 |
- |
- |
- |
- |
- |
0.8 |
3.8 |
16.8 |
Most rain reported in a day over 101 years |
cm |
17.5 |
5.3 |
4.8 |
5.8 |
10.4 |
13.5 |
13.0 |
17.5 |
10.9 |
12.2 |
6.9 |
11.9 |
7.4 |
Most rain reported in a month over 101 years |
cm |
159.8 |
11.7 |
12.2 |
15.5 |
21.1 |
33.8 |
27.4 |
34.0 |
31.2 |
26.9 |
20.8 |
20.6 |
11.4 |
Least rain reported in a month over 101 years |
cm |
56.1 |
- |
0.3 |
0.5 |
1.5 |
1.3 |
0.3 |
0.5 |
1.0 |
1.0 |
- |
0.3 |
0.5 |
Heating degree days over 30 years |
days |
6257 |
1376 |
1104 |
832 |
410 |
140 |
12 |
2 |
5 |
85 |
338 |
740 |
1213 |
Cooling degree days over 30 years |
days |
1069 |
- |
- |
1 |
12 |
73 |
224 |
352 |
276 |
115 |
16 |
- |
- |
Most snow reported in a month over 101 years |
cm |
136.1 |
52.1 |
43.2 |
53.1 |
36.3 |
- |
- |
- |
- |
- |
8.9 |
30.5 |
49.5 |
Check weather averages for nearby locations (some locations might offer more data):
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