Mount Sterling, Illinois Climate
United States
Pop. 1,968 Elev. 222 m / 728 ft
TZ: America/Chicago (UTC-5) ·
Mount Sterling is largely arid, with warm summers peaking at 88°F (31°C) in July and cold winters around 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 103°F (39°C), while wind chill can drive winter lows to 10°F (-12°C). Precipitation occurs on roughly 49 days per year (30.0 in / 763 mm total), with snow on 3 days and 29 in (748 mm) of annual accumulation. The city averages 132 sunny days per year and around 37 thunderstorm days. Nearby lake water reaches 82°F (28°C) in summer.
| Temperature | 88°F (31°C) high | 18°F (-8°C) low |
| Feels like | 103°F (40°C) high | 10°F (-12°C) low |
| Rain | 49 days | 30.0 in (763 mm) /yr |
| Snow | 3 days | 29.4 in (748 mm) /yr |
| Sky | 132 sunny | 37 stormy |
| Wind | 2.4 mph (1.1 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
48
Jan 59
Feb 48
Mar 67
Apr 54
May 51
Jun 64
Jul 46
Aug 40
Sep 44
Oct 49
Nov 66
Dec Humidity (%)
65
Jan 64
Feb 56
Mar 62
Apr 60
May 71
Jun 74
Jul 71
Aug 60
Sep 61
Oct 65
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 23 mi Quincy Regional Airport Baldwin Field (UIN)
Ski resort 100 mi Hidden Valley
National park 177 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 14 mi Culbertson Memorial Hospital
Hiking trail 37 mi
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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 | 0.2 in 4 mm | 7.3 in186 mm | 14 |
| February | 39°F 4°C | 24°F -5°C | 0.2 in 5 mm | 3.6 in92 mm | 8 |
| March | 62°F 17°C | 39°F 4°C | 3.6 in 91 mm | 2.5 in64 mm | 14 |
| April | 67°F 20°C | 47°F 8°C | 5.2 in 131 mm | 0.1 in2 mm | 5 |
| May | 74°F 24°C | 54°F 12°C | 2.8 in 71 mm | — | 10 |
| June | 85°F 29°C | 67°F 19°C | 4.3 in 109 mm | — | 9 |
| July | 88°F 31°C | 72°F 22°C | 6.5 in 165 mm | — | 8 |
| August | 84°F 29°C | 65°F 18°C | 1.4 in 36 mm | — | 15 |
| September | 83°F 28°C | 58°F 14°C | 1.1 in 28 mm | — | 14 |
| October | 72°F 22°C | 52°F 11°C | 1.8 in 45 mm | — | 15 |
| November | 55°F 13°C | 37°F 3°C | 1.6 in 41 mm | 8.8 in224 mm | 12 |
| December | 40°F 5°C | 23°F -5°C | 1.4 in 36 mm | 7.1 in180 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 0 |
| February | 8 | 0 |
| March | 14 | 5 |
| April | 5 | 9 |
| May | 10 | 2 |
| June | 9 | 4 |
| July | 8 | 10 |
| August | 15 | 2 |
| September | 14 | 1 |
| October | 15 | 1 |
| November | 12 | 2 |
| December | 8 | 1 |
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 |