Westville, Illinois Climate
United States
Pop. 3,105 Elev. 205 m / 673 ft
TZ: America/Chicago (UTC-5) ·
Westville is largely arid, with warm summers peaking at 88°F (31°C) in July and cold winters around 16°F (-9°C) in January. Humidity pushes the summer feels-like temperature to 101°F (38°C), while wind chill can drive winter lows to 8°F (-13°C). Precipitation occurs on roughly 45 days per year (27.6 in / 702 mm total), with snow on 7 days and 29 in (730 mm) of annual accumulation. The city averages 123 sunny days per year and around 29 thunderstorm days.
| Temperature | 88°F (31°C) high | 16°F (-9°C) low |
| Feels like | 101°F (38°C) high | 8°F (-14°C) low |
| Rain | 45 days | 27.6 in (702 mm) /yr |
| Snow | 7 days | 28.7 in (730 mm) /yr |
| Sky | 123 sunny | 29 stormy |
| Wind | 2.8 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
53
Jan 63
Feb 56
Mar 66
Apr 62
May 60
Jun 62
Jul 47
Aug 33
Sep 44
Oct 51
Nov 71
Dec Humidity (%)
69
Jan 65
Feb 56
Mar 61
Apr 62
May 68
Jun 73
Jul 65
Aug 54
Sep 59
Oct 65
Nov 77
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 34 mi University of Illinois Willard Airport (CMI)
Ski resort 122 mi
National park 64 mi Shakamak State Park
Mountain peak
(4,938 ft) 374 mi Gregory Bald
Hospital 6 mi
Hiking trail 5 mi River Ridge Back Pack Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 32°F 0°C | 16°F -9°C | 0.6 in 14 mm | 8.5 in216 mm | 12 |
| February | 40°F 5°C | 24°F -4°C | 0.6 in 14 mm | 6.0 in152 mm | 7 |
| March | 61°F 16°C | 39°F 4°C | 2.9 in 73 mm | 1.0 in24 mm | 10 |
| April | 66°F 19°C | 46°F 8°C | 4.6 in 118 mm | — | 5 |
| May | 73°F 23°C | 54°F 12°C | 3.3 in 84 mm | — | 8 |
| June | 84°F 29°C | 68°F 20°C | 4.3 in 108 mm | — | 8 |
| July | 88°F 31°C | 72°F 22°C | 4.6 in 117 mm | — | 6 |
| August | 84°F 29°C | 65°F 18°C | 0.9 in 24 mm | — | 16 |
| September | 84°F 29°C | 58°F 14°C | 1.3 in 33 mm | — | 19 |
| October | 71°F 21°C | 50°F 10°C | 2.2 in 56 mm | — | 17 |
| November | 53°F 12°C | 37°F 3°C | 1.3 in 34 mm | 6.7 in171 mm | 11 |
| December | 40°F 4°C | 24°F -4°C | 1.1 in 28 mm | 6.6 in167 mm | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 7 | 0 |
| March | 10 | 3 |
| April | 5 | 4 |
| May | 8 | 4 |
| June | 8 | 6 |
| July | 6 | 8 |
| August | 16 | 1 |
| September | 19 | 0 |
| October | 17 | 1 |
| November | 11 | 1 |
| December | 4 | 1 |