Wasco, Illinois Climate
United States
Pop. 22,560 Elev. 253 m / 830 ft
TZ: America/Chicago (UTC-5) ·
Wasco is largely arid, with warm summers peaking at 85°F (29°C) in July and cold winters around 15°F (-9°C) in January. Humidity pushes the summer feels-like temperature to 93°F (34°C), while wind chill can drive winter lows to 5°F (-15°C). Precipitation occurs on roughly 47 days per year (33.0 in / 839 mm total), with snow on 5 days and 34 in (873 mm) of annual accumulation. The city averages 116 sunny days per year and around 37 thunderstorm days. Ocean water temperatures reach 74°F (23°C) in summer.
| Temperature | 85°F (29°C) high | 15°F (-10°C) low |
| Feels like | 93°F (34°C) high | 5°F (-15°C) low |
| Rain | 47 days | 33.0 in (839 mm) /yr |
| Snow | 5 days | 34.4 in (873 mm) /yr |
| Sky | 116 sunny | 37 stormy |
| Wind | 2.6 mph (1.1 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Sep, Oct
Sky & Air by Month
Cloud cover (%)
55
Jan 64
Feb 57
Mar 67
Apr 61
May 53
Jun 62
Jul 51
Aug 35
Sep 46
Oct 57
Nov 76
Dec Humidity (%)
60
Jan 67
Feb 59
Mar 60
Apr 63
May 65
Jun 73
Jul 74
Aug 69
Sep 68
Oct 67
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 26 mi Chicago O'Hare International Airport (ORD)
Ski resort 4 mi
National park 44 mi Historic Pullman Foundation Exhibit Hall
Hospital 5 mi Northwestern Medicine Delnor Hospital
Hiking trail 7 mi East Loop Trail Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 30°F -1°C | 15°F -10°C | 1.2 in 30 mm | 3.3 in84 mm | 14 |
| February | 33°F 1°C | 18°F -8°C | 0.1 in 3 mm | 8.4 in213 mm | 5 |
| March | 56°F 13°C | 34°F 1°C | 3.4 in 86 mm | 4.8 in123 mm | 10 |
| April | 61°F 16°C | 42°F 6°C | 3.4 in 86 mm | 0.1 in2 mm | 4 |
| May | 68°F 20°C | 49°F 10°C | 3.7 in 93 mm | — | 9 |
| June | 83°F 28°C | 64°F 18°C | 4.4 in 113 mm | — | 10 |
| July | 85°F 29°C | 69°F 20°C | 4.8 in 123 mm | — | 6 |
| August | 79°F 26°C | 63°F 17°C | 4.1 in 105 mm | — | 14 |
| September | 77°F 25°C | 56°F 13°C | 3.0 in 76 mm | — | 18 |
| October | 65°F 19°C | 48°F 9°C | 1.9 in 47 mm | — | 13 |
| November | 49°F 9°C | 35°F 2°C | 1.2 in 29 mm | 10.1 in258 mm | 10 |
| December | 34°F 1°C | 19°F -7°C | 1.8 in 47 mm | 7.7 in194 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 1 |
| February | 5 | 0 |
| March | 10 | 5 |
| April | 4 | 2 |
| May | 9 | 3 |
| June | 10 | 5 |
| July | 6 | 7 |
| August | 14 | 7 |
| September | 18 | 4 |
| October | 13 | 2 |
| November | 10 | 0 |
| December | 3 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 38°F 3°C | 33°F 0°C |
| February | 34°F 1°C | 32°F 0°C |
| March | 36°F 2°C | 37°F 3°C |
| April | 42°F 6°C | 46°F 8°C |
| May | 48°F 9°C | 53°F 12°C |
| June | 66°F 19°C | 65°F 19°C |
| July | 74°F 23°C | 75°F 24°C |
| August | 73°F 23°C | 73°F 23°C |
| September | 69°F 20°C | 66°F 19°C |
| October | 67°F 19°C | 59°F 15°C |
| November | 51°F 11°C | 44°F 7°C |
| December | 43°F 6°C | 34°F 1°C |