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Weather Averages for
Waterloo, IA
Latitude: 42°32'N,
Longitude: 92°24'W,
Elevation: 868.0 ft,
Distance: 8.36 mi
Average temperature over 30 years |
°F |
46 |
14 |
20 |
34 |
48 |
60 |
69 |
73 |
70 |
61 |
50 |
35 |
20 |
Average high temperature over 30 years |
°F |
56 |
23 |
29 |
43 |
59 |
71 |
80 |
83 |
81 |
73 |
61 |
45 |
28 |
Average low temperature over 30 years |
°F |
36 |
5 |
10 |
24 |
37 |
48 |
57 |
62 |
59 |
50 |
38 |
26 |
11 |
Highest recorded temperature over 47 years |
°F |
105 |
57 |
66 |
87 |
100 |
93 |
102 |
105 |
105 |
98 |
95 |
78 |
64 |
Lowest recorded temperature over 47 years |
°F |
-34 |
-32 |
-31 |
-34 |
-4 |
24 |
37 |
42 |
33 |
21 |
10 |
-16 |
-27 |
Average number of days above 90°F over 30 years |
days |
17 |
- |
- |
- |
0.1 |
0.7 |
3.9 |
6.1 |
4.3 |
1.4 |
0.1 |
- |
- |
Average precipitation over 30 years |
in |
33.7 |
0.8 |
1.1 |
2.3 |
3.3 |
4.1 |
4.5 |
4.8 |
3.6 |
3.5 |
2.6 |
1.8 |
1.3 |
Average number of days below 32°F over 30 years |
days |
155 |
30 |
26 |
25 |
11 |
1.3 |
- |
- |
- |
0.9 |
9.1 |
22 |
29 |
Average number of days below 0°F over 30 years |
days |
25 |
11 |
6.8 |
1.1 |
- |
- |
- |
- |
- |
- |
- |
0.7 |
5.8 |
Average snowfall over 30 years |
in |
31.6 |
6.3 |
6.9 |
5.7 |
1.7 |
- |
- |
- |
- |
- |
0.1 |
3.2 |
7.9 |
Most rain reported in a day over 47 years |
in |
5.3 |
1.5 |
1.3 |
1.7 |
2.7 |
3.4 |
4.4 |
5.3 |
4.9 |
3.1 |
2.7 |
2.4 |
1.7 |
Most rain reported in a month over 47 years |
in |
53.1 |
2.2 |
3.5 |
5.4 |
8.5 |
7.7 |
10.1 |
12.6 |
9.7 |
11.4 |
5.5 |
5.6 |
3.8 |
Least rain reported in a month over 47 years |
in |
17.3 |
0.1 |
- |
0.2 |
1.0 |
0.8 |
0.9 |
0.4 |
0.4 |
0.4 |
- |
- |
0.2 |
Heating degree days over 30 years |
days |
7534 |
1564 |
1269 |
980 |
534 |
219 |
32 |
8 |
25 |
164 |
476 |
885 |
1378 |
Cooling degree days over 30 years |
days |
724 |
- |
- |
- |
7 |
46 |
154 |
258 |
188 |
63 |
8 |
- |
- |
Most snow reported in a month over 47 years |
in |
56.0 |
24.2 |
24.3 |
20.1 |
10.3 |
1.0 |
- |
- |
- |
- |
1.2 |
15.9 |
20.1 |
Check weather averages for nearby locations (some locations might offer more data):
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