Carbondale, Illinois Climate
United States
Pop. 26,399 Elev. 128 m / 420 ft
TZ: America/Chicago (UTC-5) ·
Summers in Carbondale are warm, with July highs around 89°F (32°C), while winters are cold with January lows of 25°F (-4°C). Humidity pushes the summer feels-like temperature to around 107°F (42°C). Expect around 66 rainy days annually (45.4 in / 1152 mm total), with snow on 4 days and 20 in (496 mm) of annual accumulation. The city averages 140 sunny days per year and around 48 thunderstorm days. Nearby lake water reaches 83°F (29°C) in summer.
| Temperature | 89°F (32°C) high | 25°F (-4°C) low |
| Feels like | 107°F (42°C) high | 21°F (-6°C) low |
| Rain | 66 days | 45.4 in (1152 mm) /yr |
| Snow | 4 days | 19.5 in (496 mm) /yr |
| Sky | 140 sunny | 48 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 (%)
47
Jan 61
Feb 52
Mar 62
Apr 66
May 54
Jun 52
Jul 41
Aug 39
Sep 39
Oct 54
Nov 56
Dec Humidity (%)
61
Jan 68
Feb 51
Mar 63
Apr 68
May 73
Jun 77
Jul 66
Aug 61
Sep 67
Oct 67
Nov 69
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 11 mi Veterans Airport of Southern Illinois (MWA)
Ski resort 96 mi Hidden Valley
National park 14 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 0 mi Memorial Hospital of Carbondale
Hiking trail 9 mi Old River to River - Alternate Segment 6 - Giant City to Alto Pass
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 39°F 4°C | 25°F -4°C | 3.0 in 75 mm | 7.0 in177 mm | 15 |
| February | 46°F 8°C | 29°F -2°C | 3.3 in 83 mm | 9.6 in245 mm | 7 |
| March | 66°F 19°C | 44°F 7°C | 3.0 in 77 mm | 0.1 in3 mm | 12 |
| April | 72°F 22°C | 52°F 11°C | 8.6 in 218 mm | — | 8 |
| May | 74°F 23°C | 59°F 15°C | 6.3 in 161 mm | — | 8 |
| June | 85°F 30°C | 71°F 21°C | 6.1 in 155 mm | — | 8 |
| July | 89°F 32°C | 75°F 24°C | 4.0 in 102 mm | — | 11 |
| August | 86°F 30°C | 67°F 19°C | 0.4 in 10 mm | — | 18 |
| September | 85°F 29°C | 61°F 16°C | 2.1 in 53 mm | — | 14 |
| October | 73°F 23°C | 53°F 11°C | 4.9 in 124 mm | — | 18 |
| November | 60°F 15°C | 42°F 5°C | 2.9 in 73 mm | 0.7 in18 mm | 11 |
| December | 48°F 9°C | 33°F 1°C | 0.9 in 22 mm | 2.1 in53 mm | 10 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 2 |
| February | 7 | 3 |
| March | 12 | 3 |
| April | 8 | 9 |
| May | 8 | 9 |
| June | 8 | 7 |
| July | 11 | 8 |
| August | 18 | 0 |
| September | 14 | 1 |
| October | 18 | 3 |
| November | 11 | 2 |
| December | 10 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 34°F 1°C |
| February | 34°F 1°C |
| March | 48°F 9°C |
| April | 59°F 15°C |
| May | 66°F 19°C |
| June | 77°F 25°C |
| July | 83°F 29°C |
| August | 79°F 26°C |
| September | 72°F 22°C |
| October | 64°F 18°C |
| November | 49°F 9°C |
| December | 36°F 2°C |