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What is the weather like in Ottawa, IllinoisOttawa, Illinois monthly and yearly climate averages.

Ottawa, Illinois Climate Averages

Monthly and yearly weather averages for Ottawa, IllinoisWeather almanac for Ottawa, IL. Ottawa monthly weather averages.
Lat: 41.35N, Lon: 88.84W
Wx Zone: ILZ019
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Ottawa Monthly Averages

     <-- 12 Month Weather Scroll -->
January
February
March
April
May
June
July
August
September
October
November
December
Hi 29°F Lo 17°F Hi 33°F Lo 20°F Hi 47°F Lo 32°F Hi 59°F Lo 43°F Hi 71°F Lo 54°F Hi 79°F Lo 62°F Hi 81°F Lo 64°F Hi 80°F Lo 62°F Hi 75°F Lo 56°F Hi 62°F Lo 46°F Hi 48°F Lo 35°F Hi 35°F Lo 25°F
10 mph 10 mph 10 mph 10 mph 9 mph 8 mph 6 mph 6 mph 7 mph 9 mph 10 mph 10 mph
1.4 in 1.7 in 2.1 in 3.6 in 4.9 in 4 in 3.3 in 2.7 in 1.7 in 2.7 in 1.7 in 1.9 in
82% 82% 75% 74% 77% 81% 85% 84% 77% 72% 74% 82%
58% 57% 48% 47% 40% 33% 34% 31% 30% 39% 42% 56%
30.6 in 30.6 in 30.6 in 30.4 in 30.4 in 30.4 in 30.4 in 30.5 in 30.5 in 30.5 in 30.6 in 30.6 in
13 12 14 10 10 8 8 11 14 16 17 15
6 6 13 17 19 19 19 17 12 13 10 9
13 10 6 2 0 0 0 0 0 0 3 9
5 5 3 2 3 7 12 15 10 3 2 4
1 2 3 3 5 6 6 6 4 3 2 1
120 112 199 239 282 298 304 313 276 177 151 124
Month
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Average Snow Days
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Average UV Index
Avg. Hours of Sun