Carrollton, Illinois Climate
United States
Pop. 2,429 Elev. 190 m / 623 ft
TZ: America/Chicago (UTC-5) ·
Carrollton has warm summers with average highs of 88°F (31°C) in July, and frigid winters averaging 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to around 104°F (40°C). Rain falls on about 61 days per year (36.4 in / 924 mm total), with snow on 4 days and 29 in (738 mm) of annual accumulation. The city averages 129 sunny days per year and around 49 thunderstorm days. Nearby lake water reaches 83°F (28°C) in summer.
| Temperature | 88°F (31°C) high | 18°F (-8°C) low |
| Feels like | 104°F (40°C) high | 13°F (-11°C) low |
| Rain | 61 days | 36.4 in (924 mm) /yr |
| Snow | 4 days | 29.0 in (738 mm) /yr |
| Sky | 129 sunny | 49 stormy |
| Wind | 2.0 mph (0.9 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, May, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
49
Jan 59
Feb 49
Mar 67
Apr 59
May 55
Jun 61
Jul 47
Aug 41
Sep 45
Oct 51
Nov 63
Dec Humidity (%)
67
Jan 65
Feb 54
Mar 63
Apr 65
May 75
Jun 79
Jul 72
Aug 64
Sep 67
Oct 69
Nov 74
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 38 mi St. Louis Lambert International Airport (STL)
Ski resort 55 mi Hidden Valley
National park 127 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 1 mi Thomas H. Boyd Memorial Hospital
Hiking trail 41 mi Audubon Trace Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 1°C | 18°F -8°C | 0.4 in 11 mm | 12.1 in308 mm | 13 |
| February | 41°F 5°C | 25°F -4°C | 0.5 in 14 mm | 5.1 in129 mm | 8 |
| March | 64°F 18°C | 41°F 5°C | 3.1 in 79 mm | 0.7 in17 mm | 14 |
| April | 69°F 20°C | 49°F 9°C | 5.5 in 141 mm | — | 5 |
| May | 74°F 23°C | 56°F 13°C | 3.8 in 96 mm | — | 10 |
| June | 84°F 29°C | 68°F 20°C | 6.2 in 157 mm | — | 9 |
| July | 88°F 31°C | 73°F 23°C | 6.7 in 170 mm | — | 7 |
| August | 84°F 29°C | 65°F 18°C | 1.1 in 27 mm | — | 14 |
| September | 83°F 28°C | 58°F 15°C | 2.4 in 62 mm | — | 15 |
| October | 71°F 22°C | 52°F 11°C | 3.7 in 94 mm | — | 16 |
| November | 56°F 13°C | 39°F 4°C | 2.3 in 58 mm | 8.0 in203 mm | 11 |
| December | 43°F 6°C | 27°F -3°C | 0.6 in 15 mm | 3.1 in80 mm | 7 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 8 | 0 |
| March | 14 | 4 |
| April | 5 | 8 |
| May | 10 | 4 |
| June | 9 | 8 |
| July | 7 | 13 |
| August | 14 | 3 |
| September | 15 | 4 |
| October | 16 | 2 |
| November | 11 | 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 19°C |
| June | 77°F 25°C |
| July | 83°F 28°C |
| August | 78°F 25°C |
| September | 72°F 22°C |
| October | 62°F 17°C |
| November | 47°F 8°C |
| December | 34°F 1°C |