Louisville, Illinois Climate
United States
Pop. 1,116 Elev. 147 m / 482 ft
TZ: America/Chicago (UTC-5) ·
Louisville sees warm summers peaking at 89°F (32°C) in July, and frigid winters that bottom out around 20°F (-7°C) in January. Humidity pushes the summer feels-like temperature to around 106°F (41°C). Precipitation occurs on roughly 63 days per year (41.5 in / 1054 mm total), with snow on 5 days and 25 in (639 mm) of annual accumulation. The city averages 131 sunny days per year and around 41 thunderstorm days. Nearby lake water reaches 82°F (28°C) in summer.
| Temperature | 89°F (32°C) high | 20°F (-7°C) low |
| Feels like | 106°F (41°C) high | 14°F (-10°C) low |
| Rain | 63 days | 41.5 in (1054 mm) /yr |
| Snow | 5 days | 25.1 in (639 mm) /yr |
| Sky | 131 sunny | 41 stormy |
| Wind | 2.3 mph (1.0 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 (%)
48
Jan 61
Feb 53
Mar 63
Apr 65
May 57
Jun 58
Jul 44
Aug 36
Sep 44
Oct 52
Nov 63
Dec Humidity (%)
65
Jan 64
Feb 52
Mar 60
Apr 62
May 67
Jun 74
Jul 67
Aug 61
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 76 mi Decatur Airport (DEC)
Ski resort 117 mi Hidden Valley
National park 71 mi Emmett Till and Mamie Till-Mobley National Monument
Mountain peak
(5,125 ft) 343 mi Little Haw Knob
Hospital 7 mi Clay County Hospital
Hiking trail 72 mi ADT - Illinois (South) - J - Seg 1
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 2°C | 20°F -7°C | 1.1 in 29 mm | 12.1 in308 mm | 13 |
| February | 44°F 7°C | 28°F -2°C | 2.3 in 58 mm | 6.0 in151 mm | 9 |
| March | 65°F 18°C | 42°F 6°C | 3.5 in 89 mm | 0.3 in8 mm | 14 |
| April | 70°F 21°C | 50°F 10°C | 6.6 in 167 mm | — | 5 |
| May | 75°F 24°C | 58°F 14°C | 5.0 in 126 mm | — | 7 |
| June | 86°F 30°C | 70°F 21°C | 5.0 in 128 mm | — | 9 |
| July | 89°F 32°C | 74°F 23°C | 5.6 in 142 mm | — | 9 |
| August | 85°F 29°C | 66°F 19°C | 0.7 in 18 mm | — | 14 |
| September | 84°F 29°C | 59°F 15°C | 4.0 in 103 mm | — | 18 |
| October | 71°F 22°C | 51°F 11°C | 3.3 in 84 mm | — | 18 |
| November | 56°F 14°C | 39°F 4°C | 3.4 in 86 mm | 2.4 in60 mm | 10 |
| December | 45°F 7°C | 30°F -1°C | 0.9 in 23 mm | 4.4 in111 mm | 5 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 9 | 1 |
| March | 14 | 3 |
| April | 5 | 8 |
| May | 7 | 6 |
| June | 9 | 5 |
| July | 9 | 8 |
| August | 14 | 1 |
| September | 18 | 3 |
| October | 18 | 2 |
| November | 10 | 3 |
| December | 5 | 1 |
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 |