World > North America > United States > Illinois > South Jacksonville

South Jacksonville, Illinois Climate Averages

Feedback E-mail the Weather

Quick WX

South Jacksonville Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 33°F Lo 22°F Hi 37°F Lo 24°F Hi 51°F Lo 36°F Hi 62°F Lo 45°F Hi 72°F Lo 56°F Hi 81°F Lo 65°F Hi 83°F Lo 67°F Hi 83°F Lo 65°F Hi 78°F Lo 59°F Hi 64°F Lo 48°F Hi 51°F Lo 37°F Hi 40°F Lo 29°F
10 mph 10 mph 10 mph 10 mph 9 mph 7 mph 6 mph 6 mph 7 mph 9 mph 10 mph 10 mph
3 in 3.2 in 5 in 6.7 in 7.2 in 7.4 in 5.4 in 5.1 in 5.2 in 5.1 in 3.8 in 3.1 in
78% 78% 75% 75% 78% 80% 82% 80% 74% 70% 71% 76%
52% 51% 47% 43% 38% 27% 26% 26% 26% 34% 36% 46%
30.1 in 30.1 in 30.1 in 29.9 in 30.0 in 29.9 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.1 in
15 14 19 20 21 21 24 24 25 25 23 19
5 5 8 9 10 9 7 7 5 6 5 5
11 9 4 1 0 0 0 0 0 0 2 7
2 1 1 1 2 3 4 5 3 1 0 2
2 2 3 4 5 6 6 5 5 3 2 2
230 216 260 264 296 323 337 342 321 297 279 255
January
February
March
April
May
June
July
August
September
October
November
December
Hi 1°C Lo -6°C Hi 3°C Lo -4°C Hi 11°C Lo 2°C Hi 17°C Lo 7°C Hi 22°C Lo 13°C Hi 27°C Lo 18°C Hi 28°C Lo 19°C Hi 28°C Lo 18°C Hi 26°C Lo 15°C Hi 18°C Lo 9°C Hi 10°C Lo 3°C Hi 5°C Lo -2°C
16 km/h 16 km/h 16 km/h 16 km/h 14 km/h 12 km/h 10 km/h 10 km/h 12 km/h 15 km/h 16 km/h 16 km/h
76 mm 81 mm 126 mm 170 mm 183 mm 188 mm 137 mm 129 mm 132 mm 128 mm 96 mm 80 mm
78% 78% 75% 75% 78% 80% 82% 80% 74% 70% 71% 76%
52% 51% 47% 43% 38% 27% 26% 26% 26% 34% 36% 46%
1021 mb 1021 mb 1018 mb 1014 mb 1014 mb 1013 mb 1015 mb 1015 mb 1017 mb 1017 mb 1020 mb 1020 mb
15 14 19 20 21 21 24 24 25 25 23 19
5 5 8 9 10 9 7 7 5 6 5 5
11 9 4 1 0 0 0 0 0 0 2 7
2 1 1 1 2 3 4 5 3 1 0 2
2 2 3 4 5 6 6 5 5 3 2 2
230 216 260 264 296 323 337 342 321 297 279 255
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

Trending Headlines

South Jacksonville Radar Loop



South Jacksonville Quick Facts


National Two Day Weather Forecast


E-mail the South Jacksonville Weather Forecast

Voice your opinion or tell us about page issues...