Okawville, Illinois Climate
United States
Pop. 1,399 Elev. 137 m / 449 ft
TZ: America/Chicago (UTC-5) ·
Okawville has warm summers with average highs of 90°F (32°C) in July, and frigid winters averaging 21°F (-6°C) in January. Humidity pushes the summer feels-like temperature to around 108°F (42°C). Rain falls on about 64 days per year (44.5 in / 1130 mm total), with snow on 5 days and 24 in (610 mm) of annual accumulation. The city averages 126 sunny days per year and around 44 thunderstorm days. Nearby lake water reaches 82°F (28°C) in summer.
| Temperature | 90°F (32°C) high | 21°F (-6°C) low |
| Feels like | 108°F (42°C) high | 16°F (-9°C) low |
| Rain | 64 days | 44.5 in (1130 mm) /yr |
| Snow | 5 days | 24.0 in (610 mm) /yr |
| Sky | 126 sunny | 44 stormy |
| Wind | 2.2 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Aug, Oct
Sky & Air by Month
Cloud cover (%)
48
Jan 61
Feb 52
Mar 65
Apr 64
May 56
Jun 58
Jul 46
Aug 40
Sep 42
Oct 52
Nov 59
Dec Humidity (%)
64
Jan 64
Feb 50
Mar 60
Apr 63
May 69
Jun 74
Jul 67
Aug 62
Sep 66
Oct 66
Nov 69
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 17 mi Scott AFB/Midamerica Airport (BLV)
Ski resort 60 mi Hidden Valley
National park 52 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 11 mi Washington County Hospital
Hiking trail 28 mi ADT - Illinois (South) - J - Seg 3
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 37°F 3°C | 21°F -6°C | 1.2 in 31 mm | 11.2 in285 mm | 13 |
| February | 45°F 7°C | 28°F -2°C | 1.6 in 42 mm | 7.6 in194 mm | 8 |
| March | 66°F 19°C | 43°F 6°C | 2.8 in 70 mm | 0.3 in8 mm | 12 |
| April | 71°F 22°C | 51°F 10°C | 6.2 in 158 mm | — | 7 |
| May | 75°F 24°C | 58°F 14°C | 5.9 in 149 mm | — | 9 |
| June | 86°F 30°C | 70°F 21°C | 6.0 in 152 mm | — | 9 |
| July | 90°F 32°C | 74°F 24°C | 5.3 in 134 mm | — | 9 |
| August | 86°F 30°C | 66°F 19°C | 0.8 in 20 mm | — | 13 |
| September | 84°F 29°C | 60°F 15°C | 6.7 in 169 mm | — | 13 |
| October | 72°F 22°C | 52°F 11°C | 4.2 in 107 mm | — | 17 |
| November | 58°F 14°C | 40°F 5°C | 3.0 in 77 mm | 2.7 in68 mm | 10 |
| December | 45°F 7°C | 31°F -1°C | 0.8 in 20 mm | 2.2 in56 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 1 |
| February | 8 | 1 |
| March | 12 | 4 |
| April | 7 | 8 |
| May | 9 | 5 |
| June | 9 | 8 |
| July | 9 | 8 |
| August | 13 | 1 |
| September | 13 | 4 |
| October | 17 | 2 |
| November | 10 | 2 |
| December | 6 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 1°C |
| February | 33°F 0°C |
| March | 48°F 9°C |
| April | 58°F 14°C |
| May | 65°F 18°C |
| June | 76°F 24°C |
| July | 82°F 28°C |
| August | 77°F 25°C |
| September | 71°F 22°C |
| October | 62°F 17°C |
| November | 46°F 8°C |
| December | 34°F 1°C |