Roodhouse, Illinois Climate
United States
Pop. 1,730 Elev. 202 m / 663 ft
TZ: America/Chicago (UTC-5) ·
Summers in Roodhouse are warm, with July highs around 87°F (31°C), while winters are frigid with January lows of 18°F (-8°C). Humidity pushes the summer feels-like temperature to 103°F (39°C), while wind chill can drive winter lows to 11°F (-12°C). Expect around 56 rainy days annually (39.6 in / 1006 mm total), with snow on 4 days and 29 in (738 mm) of annual accumulation. The city averages 134 sunny days per year and around 40 thunderstorm days. Nearby lake water reaches 82°F (28°C) in summer.
| Temperature | 87°F (31°C) high | 18°F (-8°C) low |
| Feels like | 103°F (39°C) high | 11°F (-11°C) low |
| Rain | 56 days | 39.6 in (1006 mm) /yr |
| Snow | 4 days | 29.1 in (738 mm) /yr |
| Sky | 134 sunny | 40 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, May, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
49
Jan 59
Feb 49
Mar 67
Apr 58
May 56
Jun 63
Jul 47
Aug 39
Sep 45
Oct 50
Nov 65
Dec Humidity (%)
68
Jan 65
Feb 55
Mar 62
Apr 64
May 74
Jun 79
Jul 73
Aug 65
Sep 67
Oct 69
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 51 mi St. Louis Lambert International Airport (STL)
Ski resort 67 mi Hidden Valley
National park 136 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 13 mi Thomas H. Boyd Memorial Hospital
Hiking trail 54 mi Audubon Trace Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 34°F 1°C | 18°F -8°C | 0.5 in 12 mm | 10.4 in264 mm | 13 |
| February | 41°F 5°C | 25°F -4°C | 0.5 in 11 mm | 4.9 in125 mm | 9 |
| March | 63°F 17°C | 40°F 5°C | 2.9 in 75 mm | 0.9 in23 mm | 15 |
| April | 68°F 20°C | 48°F 9°C | 5.2 in 131 mm | 0.1 in2 mm | 5 |
| May | 74°F 23°C | 55°F 13°C | 3.9 in 99 mm | — | 10 |
| June | 84°F 29°C | 67°F 20°C | 6.0 in 153 mm | — | 10 |
| July | 87°F 31°C | 72°F 22°C | 9.4 in 240 mm | — | 6 |
| August | 83°F 28°C | 65°F 18°C | 1.2 in 31 mm | — | 16 |
| September | 82°F 28°C | 57°F 14°C | 2.3 in 59 mm | — | 15 |
| October | 71°F 22°C | 51°F 11°C | 4.1 in 104 mm | — | 16 |
| November | 55°F 13°C | 38°F 3°C | 2.9 in 74 mm | 7.8 in198 mm | 12 |
| December | 42°F 5°C | 25°F -4°C | 0.7 in 17 mm | 5.0 in126 mm | 7 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 9 | 0 |
| March | 15 | 4 |
| April | 5 | 7 |
| May | 10 | 4 |
| June | 10 | 4 |
| July | 6 | 13 |
| August | 16 | 2 |
| September | 15 | 3 |
| October | 16 | 2 |
| November | 12 | 1 |
| December | 7 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 0°C |
| February | 32°F 0°C |
| March | 47°F 9°C |
| April | 57°F 14°C |
| May | 64°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 |