Winfield, Illinois Climate
United States
Pop. 9,657 Elev. 239 m / 784 ft
TZ: America/Chicago (UTC-5) ·
Winfield is largely arid, with warm summers peaking at 86°F (30°C) in July and cold winters around 16°F (-9°C) in January. Humidity pushes the summer feels-like temperature to 95°F (35°C), while wind chill can drive winter lows to 7°F (-14°C). Precipitation occurs on roughly 49 days per year (32.2 in / 817 mm total), with snow on 5 days and 34 in (865 mm) of annual accumulation. The city averages 112 sunny days per year and around 36 thunderstorm days. Ocean water temperatures reach 75°F (24°C) in summer.
| Temperature | 86°F (30°C) high | 16°F (-9°C) low |
| Feels like | 95°F (35°C) high | 7°F (-14°C) low |
| Rain | 49 days | 32.2 in (817 mm) /yr |
| Snow | 5 days | 34.0 in (865 mm) /yr |
| Sky | 112 sunny | 36 stormy |
| Wind | 2.4 mph (1.1 m/s) avg |
Looking for a place with a climate like Winfield? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Sep, Oct
Sky & Air by Month
Cloud cover (%)
55
Jan 64
Feb 56
Mar 67
Apr 61
May 53
Jun 63
Jul 53
Aug 35
Sep 46
Oct 58
Nov 76
Dec Humidity (%)
60
Jan 66
Feb 59
Mar 60
Apr 64
May 66
Jun 73
Jul 73
Aug 68
Sep 67
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 15 mi Chicago O'Hare International Airport (ORD)
Ski resort 4 mi
National park 31 mi Historic Pullman Foundation Exhibit Hall
Hospital 1 mi Northwestern Medicine Central DuPage Hospital
Hiking trail 2 mi Red Maple Allée
Interested in Winfield?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 16°F -9°C | 0.9 in 23 mm | 4.4 in111 mm | 14 |
| February | 35°F 2°C | 19°F -7°C | 0.1 in 3 mm | 7.4 in188 mm | 5 |
| March | 57°F 14°C | 36°F 2°C | 3.6 in 90 mm | 4.4 in113 mm | 11 |
| April | 62°F 16°C | 43°F 6°C | 2.7 in 69 mm | 0.1 in3 mm | 4 |
| May | 69°F 20°C | 50°F 10°C | 4.1 in 104 mm | — | 8 |
| June | 84°F 29°C | 64°F 18°C | 4.7 in 119 mm | — | 10 |
| July | 86°F 30°C | 69°F 21°C | 4.8 in 123 mm | — | 7 |
| August | 80°F 27°C | 63°F 17°C | 3.9 in 99 mm | — | 10 |
| September | 78°F 26°C | 56°F 13°C | 1.8 in 45 mm | — | 18 |
| October | 66°F 19°C | 49°F 9°C | 2.6 in 67 mm | — | 13 |
| November | 50°F 10°C | 35°F 2°C | 1.0 in 25 mm | 10.0 in255 mm | 9 |
| December | 35°F 2°C | 20°F -7°C | 2.0 in 51 mm | 7.6 in194 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 1 |
| February | 5 | 0 |
| March | 11 | 4 |
| April | 4 | 1 |
| May | 8 | 3 |
| June | 10 | 6 |
| July | 7 | 7 |
| August | 10 | 6 |
| September | 18 | 5 |
| October | 13 | 2 |
| November | 9 | 0 |
| December | 3 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 37°F 3°C | 33°F 0°C |
| February | 35°F 1°C | 32°F 0°C |
| March | 37°F 3°C | 37°F 3°C |
| April | 44°F 7°C | 46°F 8°C |
| May | 49°F 9°C | 53°F 12°C |
| June | 67°F 20°C | 65°F 19°C |
| July | 75°F 24°C | 75°F 24°C |
| August | 74°F 24°C | 73°F 23°C |
| September | 69°F 21°C | 66°F 19°C |
| October | 67°F 20°C | 59°F 15°C |
| November | 52°F 11°C | 44°F 7°C |
| December | 43°F 6°C | 34°F 1°C |