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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: ILZ019Web Search

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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 33°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 57°F Hi 62°F Lo 46°F Hi 47°F Lo 34°F Hi 36°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
1.8 in 1.7 in 2.1 in 3.8 in 4.4 in 3.8 in 3.5 in 2.5 in 2.5 in 2.5 in 1.5 in 1.4 in
82% 82% 75% 74% 76% 81% 85% 84% 78% 72% 75% 81%
59% 57% 49% 47% 41% 34% 34% 33% 32% 39% 43% 55%
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
14 13 13 11 11 10 11 13 15 17 17 17
6 6 13 18 19 18 18 15 12 12 10 8
12 10 5 1 0 0 0 0 0 1 3 8
4 5 3 2 3 6 12 13 9 3 2 4
1 2 3 3 5 6 6 5 4 3 2 2
120 114 195 238 274 295 299 303 263 183 148 127
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Barometric Pressure
Average Dry Days
Avg. Precip. Days
Average Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.