Waterloo Weather Information
Waterloo historical weather data by month.
Chance Of Sunshine
Annual chance of sunshine: 50.2%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
43.33%
7
6
17
February
46.43%
7
6
15
March
43.33%
6
7
17
April
46.67%
6
8
16
May
51.61%
7
9
15
June
56.67%
7
10
13
July
64.52%
9
11
11
August
61.29%
9
10
12
September
58.62%
9
8
12
October
53.33%
9
7
14
November
37.93%
5
6
18
December
38.71%
6
6
19
Temperature
Rainfall
Sum Of Heating & Cooling Degree Days
