Arthur, Illinois Climate
United States
Pop. 2,288 Elev. 202 m / 663 ft
TZ: America/Chicago (UTC-5) ·
Arthur has a dry climate with warm summers reaching 87°F (31°C) in July and cold winters averaging 16°F (-9°C) in January. Humidity pushes the summer feels-like temperature to 101°F (38°C), while wind chill can drive winter lows to 8°F (-13°C). Rain falls on about 47 days per year (30.8 in / 782 mm total), with snow on 7 days and 31 in (798 mm) of annual accumulation. The city averages 129 sunny days per year and around 32 thunderstorm days.
| Temperature | 87°F (30°C) high | 16°F (-9°C) low |
| Feels like | 101°F (38°C) high | 8°F (-13°C) low |
| Rain | 47 days | 30.8 in (782 mm) /yr |
| Snow | 7 days | 31.4 in (798 mm) /yr |
| Sky | 129 sunny | 32 stormy |
| Wind | 2.8 mph (1.3 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 (%)
51
Jan 60
Feb 54
Mar 67
Apr 61
May 59
Jun 62
Jul 46
Aug 32
Sep 44
Oct 50
Nov 68
Dec Humidity (%)
70
Jan 64
Feb 54
Mar 60
Apr 62
May 71
Jun 77
Jul 68
Aug 58
Sep 62
Oct 66
Nov 78
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 25 mi University of Illinois Willard Airport (CMI)
Ski resort 144 mi
National park 76 mi Shakamak State Park
Mountain peak
(4,938 ft) 384 mi Gregory Bald
Hospital 19 mi Sarah Bush Lincoln Health Center
Hiking trail 34 mi 5-mile Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 32°F 0°C | 16°F -9°C | 0.5 in 12 mm | 9.0 in229 mm | 14 |
| February | 41°F 5°C | 24°F -4°C | 0.5 in 12 mm | 5.8 in148 mm | 8 |
| March | 62°F 17°C | 40°F 4°C | 2.9 in 75 mm | 1.1 in27 mm | 10 |
| April | 67°F 20°C | 47°F 8°C | 5.0 in 126 mm | 0.1 in4 mm | 4 |
| May | 73°F 23°C | 54°F 12°C | 3.4 in 86 mm | — | 8 |
| June | 84°F 29°C | 68°F 20°C | 6.2 in 158 mm | — | 9 |
| July | 87°F 30°C | 72°F 22°C | 4.3 in 110 mm | — | 5 |
| August | 83°F 29°C | 65°F 18°C | 1.1 in 27 mm | — | 17 |
| September | 83°F 29°C | 58°F 14°C | 1.9 in 49 mm | — | 20 |
| October | 71°F 21°C | 50°F 10°C | 2.4 in 61 mm | — | 17 |
| November | 54°F 12°C | 37°F 3°C | 1.6 in 40 mm | 7.8 in198 mm | 11 |
| December | 40°F 4°C | 24°F -4°C | 1.0 in 26 mm | 7.6 in192 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 0 |
| February | 8 | 0 |
| March | 10 | 4 |
| April | 4 | 5 |
| May | 8 | 3 |
| June | 9 | 6 |
| July | 5 | 7 |
| August | 17 | 1 |
| September | 20 | 2 |
| October | 17 | 2 |
| November | 11 | 1 |
| December | 6 | 1 |