Smithton, Illinois Climate
United States
Pop. 3,719 Elev. 145 m / 476 ft
TZ: America/Chicago (UTC-5) ·
Smithton sees warm summers peaking at 90°F (32°C) in July, and frigid winters that bottom out around 21°F (-6°C) in January. Humidity pushes the summer feels-like temperature to around 108°F (42°C). Precipitation occurs on roughly 64 days per year (43.7 in / 1109 mm total), with snow on 5 days and 26 in (650 mm) of annual accumulation. The city averages 128 sunny days per year and around 50 thunderstorm days. Nearby lake water reaches 83°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 | 43.7 in (1109 mm) /yr |
| Snow | 5 days | 25.6 in (650 mm) /yr |
| Sky | 128 sunny | 50 stormy |
| Wind | 2.1 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 60
Feb 51
Mar 66
Apr 64
May 57
Jun 59
Jul 46
Aug 42
Sep 43
Oct 53
Nov 57
Dec Humidity (%)
63
Jan 65
Feb 50
Mar 61
Apr 64
May 71
Jun 75
Jul 68
Aug 63
Sep 66
Oct 67
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 13 mi Scott AFB/Midamerica Airport (BLV)
Ski resort 37 mi Hidden Valley
National park 67 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 10 mi Memorial Hospital
Hiking trail 20 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 29 mm | 10.9 in276 mm | 13 |
| February | 44°F 7°C | 27°F -3°C | 1.1 in 29 mm | 8.7 in220 mm | 9 |
| March | 66°F 19°C | 43°F 6°C | 3.0 in 77 mm | 0.3 in8 mm | 12 |
| April | 71°F 21°C | 50°F 10°C | 6.5 in 164 mm | 0.0 in1 mm | 5 |
| May | 75°F 24°C | 58°F 14°C | 5.1 in 130 mm | — | 9 |
| June | 85°F 30°C | 70°F 21°C | 7.8 in 198 mm | — | 9 |
| July | 90°F 32°C | 74°F 24°C | 5.2 in 131 mm | — | 8 |
| August | 86°F 30°C | 66°F 19°C | 0.9 in 23 mm | — | 15 |
| September | 84°F 29°C | 60°F 15°C | 6.0 in 152 mm | — | 15 |
| October | 72°F 22°C | 53°F 11°C | 3.6 in 91 mm | — | 16 |
| November | 58°F 14°C | 41°F 5°C | 2.7 in 68 mm | 3.9 in100 mm | 10 |
| December | 46°F 8°C | 30°F -1°C | 0.6 in 16 mm | 1.8 in45 mm | 7 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 9 | 1 |
| March | 12 | 4 |
| April | 5 | 9 |
| May | 9 | 6 |
| June | 9 | 12 |
| July | 8 | 9 |
| August | 15 | 1 |
| September | 15 | 3 |
| October | 16 | 2 |
| November | 10 | 3 |
| December | 7 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 0°C |
| February | 32°F 0°C |
| March | 49°F 9°C |
| April | 58°F 15°C |
| May | 65°F 18°C |
| June | 77°F 25°C |
| July | 83°F 28°C |
| August | 77°F 25°C |
| September | 72°F 22°C |
| October | 62°F 17°C |
| November | 46°F 8°C |
| December | 34°F 1°C |