Plano, Illinois Climate
United States
Pop. 11,282 Elev. 199 m / 653 ft
TZ: America/Chicago (UTC-5) ·
Plano is largely arid, with warm summers peaking at 86°F (30°C) in July and cold winters around 15°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 6°F (-14°C). Precipitation occurs on roughly 47 days per year (30.8 in / 783 mm total), with snow on 4 days and 33 in (848 mm) of annual accumulation. The city averages 119 sunny days per year and around 36 thunderstorm days. Nearby lake water reaches 78°F (25°C) in summer.
| Temperature | 86°F (30°C) high | 15°F (-9°C) low |
| Feels like | 95°F (35°C) high | 6°F (-14°C) low |
| Rain | 47 days | 30.8 in (783 mm) /yr |
| Snow | 4 days | 33.4 in (848 mm) /yr |
| Sky | 119 sunny | 36 stormy |
| Wind | 2.6 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
55
Jan 64
Feb 55
Mar 67
Apr 60
May 53
Jun 63
Jul 53
Aug 35
Sep 46
Oct 57
Nov 75
Dec Humidity (%)
60
Jan 66
Feb 58
Mar 60
Apr 63
May 64
Jun 73
Jul 73
Aug 66
Sep 65
Oct 66
Nov 77
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 39 mi Chicago O'Hare International Airport (ORD)
Ski resort 21 mi
National park 48 mi Historic Pullman Foundation Exhibit Hall
Hospital 4 mi Rush Copley Emergency
Hiking trail 19 mi East Loop Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 15°F -9°C | 1.0 in 25 mm | 4.1 in103 mm | 14 |
| February | 35°F 2°C | 19°F -7°C | 0.1 in 2 mm | 7.2 in182 mm | 8 |
| March | 57°F 14°C | 35°F 2°C | 3.4 in 86 mm | 4.3 in110 mm | 11 |
| April | 62°F 17°C | 43°F 6°C | 3.0 in 77 mm | 0.1 in1 mm | 5 |
| May | 70°F 21°C | 50°F 10°C | 3.7 in 93 mm | — | 8 |
| June | 84°F 29°C | 64°F 18°C | 4.4 in 111 mm | — | 10 |
| July | 86°F 30°C | 69°F 21°C | 4.7 in 119 mm | — | 6 |
| August | 80°F 27°C | 63°F 17°C | 3.2 in 82 mm | — | 13 |
| September | 79°F 26°C | 56°F 13°C | 2.1 in 53 mm | — | 18 |
| October | 67°F 19°C | 49°F 9°C | 2.3 in 57 mm | — | 13 |
| November | 50°F 10°C | 35°F 2°C | 1.1 in 28 mm | 10.1 in255 mm | 9 |
| December | 34°F 1°C | 19°F -7°C | 1.9 in 49 mm | 7.7 in196 mm | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 1 |
| February | 8 | 0 |
| March | 11 | 3 |
| April | 5 | 2 |
| May | 8 | 3 |
| June | 10 | 5 |
| July | 6 | 9 |
| August | 13 | 6 |
| September | 18 | 5 |
| October | 13 | 1 |
| November | 9 | 0 |
| December | 4 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 40°F 4°C |
| April | 49°F 10°C |
| May | 57°F 14°C |
| June | 70°F 21°C |
| July | 78°F 25°C |
| August | 74°F 23°C |
| September | 68°F 20°C |
| October | 59°F 15°C |
| November | 44°F 6°C |
| December | 33°F 1°C |