World > North America > United States > Illinois
What is the weather like in Stillwell, IllinoisStillwell, Illinois monthly and yearly climate averages.

Stillwell, Illinois Climate Averages

Monthly and yearly weather averages for Stillwell, IllinoisWeather almanac for Stillwell, IL. Stillwell monthly weather averages.
Lat: 40.22N, Lon: 91.18W
Wx Zone: ILZ034Web Search
Stillwell Weather Warning NWS WEATHER ALERT FOR THE STILLWELL, IL AREA - Issued: 307 AM CDT Fri May 14 2021 Stillwell Weather Warning  

Pass this page to a friend. Tell them to point their camera at the QR Code near the bottom of this page.

Feedback
There are currently no special weather statements for Stillwell, Illinois.

Stillwell Monthly Averages

12 Month Weather Scroll   °F Click to change Stillwell weather to Imperial units.Click to change Stillwell weather to Metric units. °C
January
February
March
April
May
June
July
August
September
October
November
December
Hi 32°F Lo 21°F Hi 36°F Lo 23°F Hi 51°F Lo 36°F Hi 61°F Lo 45°F Hi 72°F Lo 55°F Hi 81°F Lo 65°F Hi 84°F Lo 67°F Hi 83°F Lo 65°F Hi 77°F Lo 58°F Hi 63°F Lo 47°F Hi 50°F Lo 36°F Hi 39°F Lo 27°F
10 mph 10 mph 10 mph 10 mph 8 mph 8 mph 7 mph 7 mph 7 mph 9 mph 10 mph 10 mph
2.2 in 2.4 in 4.1 in 5.6 in 6.9 in 6.4 in 4.8 in 4.7 in 4.6 in 4 in 3.1 in 2.2 in
79% 78% 75% 75% 80% 81% 81% 78% 74% 70% 72% 77%
53% 51% 47% 43% 37% 28% 25% 26% 28% 34% 37% 47%
30.6 in 30.6 in 30.5 in 30.4 in 30.4 in 30.4 in 30.4 in 30.4 in 30.5 in 30.5 in 30.6 in 30.6 in
13 12 11 11 7 7 9 12 15 16 17 17
8 7 16 16 21 20 19 16 13 13 10 8
12 10 5 1 0 0 0 0 0 0 2 7
2 1 2 2 3 4 4 6 5 2 1 2
2 2 3 4 5 6 6 5 5 3 2 2
224 216 258 260 302 326 346 340 315 297 270 248
January
February
March
April
May
June
July
August
September
October
November
December
Hi 0°C Lo -6°C Hi 2°C Lo -5°C Hi 10°C Lo 2°C Hi 16°C Lo 7°C Hi 22°C Lo 13°C Hi 27°C Lo 18°C Hi 29°C Lo 19°C Hi 28°C Lo 18°C Hi 25°C Lo 15°C Hi 17°C Lo 8°C Hi 10°C Lo 2°C Hi 4°C Lo -3°C
17 km/h 17 km/h 16 km/h 16 km/h 13 km/h 12 km/h 10 km/h 11 km/h 12 km/h 15 km/h 16 km/h 16 km/h
56 mm 62 mm 104 mm 143 mm 175 mm 162 mm 121 mm 119 mm 116 mm 102 mm 79 mm 55 mm
79% 78% 75% 75% 80% 81% 81% 78% 74% 70% 72% 77%
53% 51% 47% 43% 37% 28% 25% 26% 28% 34% 37% 47%
1021 mb 1020 mb 1018 mb 1014 mb 1014 mb 1013 mb 1015 mb 1015 mb 1017 mb 1017 mb 1020 mb 1020 mb
13 12 11 11 7 7 9 12 15 16 17 17
8 7 16 16 21 20 19 16 13 13 10 8
12 10 5 1 0 0 0 0 0 0 2 7
2 1 2 2 3 4 4 6 5 2 1 2
2 2 3 4 5 6 6 5 5 3 2 2
224 216 258 260 302 326 346 340 315 297 270 248
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.

Stillwell, IL average weather climate web page url QR Code Scan this code with your camera.