Hanover Park, Illinois Climate
United States
Pop. 38,333 Elev. 248 m / 814 ft
TZ: America/Chicago (UTC-5) ·
Dry and warm, Hanover Park sees July highs of 85°F (29°C) and cold January lows of 15°F (-9°C). Humidity pushes the summer feels-like temperature to 94°F (34°C), while wind chill can drive winter lows to 5°F (-15°C). Expect around 44 rainy days annually (33.1 in / 841 mm total), with snow on 4 days and 35 in (884 mm) of annual accumulation. The city averages 113 sunny days per year and around 33 thunderstorm days. Ocean water temperatures reach 75°F (24°C) in summer.
| Temperature | 85°F (30°C) high | 15°F (-10°C) low |
| Feels like | 94°F (35°C) high | 5°F (-15°C) low |
| Rain | 44 days | 33.1 in (841 mm) /yr |
| Snow | 4 days | 34.8 in (884 mm) /yr |
| Sky | 113 sunny | 33 stormy |
| Wind | 2.4 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 68
Apr 61
May 52
Jun 61
Jul 51
Aug 35
Sep 46
Oct 58
Nov 76
Dec Humidity (%)
60
Jan 67
Feb 58
Mar 60
Apr 64
May 65
Jun 72
Jul 73
Aug 69
Sep 69
Oct 68
Nov 75
Dec Weather Days by Month
Water Temperatures
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Nearby
Commercial airport 12 mi Chicago O'Hare International Airport (ORD)
Ski resort 4 mi Villa Olivia
National park 35 mi Historic Pullman Foundation Exhibit Hall
Hospital 1 mi Streamwood Behavioral Healthcare System
Hiking trail 8 mi Trout Park
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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 31 mm | 3.7 in93 mm | 13 |
| February | 34°F 1°C | 18°F -8°C | 0.1 in 4 mm | 8.9 in225 mm | 5 |
| March | 57°F 14°C | 35°F 1°C | 3.3 in 84 mm | 4.6 in117 mm | 10 |
| April | 61°F 16°C | 42°F 6°C | 3.2 in 82 mm | 0.2 in6 mm | 4 |
| May | 68°F 20°C | 49°F 9°C | 4.0 in 101 mm | — | 7 |
| June | 83°F 29°C | 64°F 18°C | 4.6 in 118 mm | — | 10 |
| July | 85°F 30°C | 69°F 20°C | 5.1 in 130 mm | — | 6 |
| August | 80°F 27°C | 63°F 17°C | 4.0 in 102 mm | — | 14 |
| September | 77°F 25°C | 56°F 13°C | 2.3 in 59 mm | — | 18 |
| October | 65°F 18°C | 48°F 9°C | 2.3 in 58 mm | — | 14 |
| November | 49°F 9°C | 35°F 2°C | 1.1 in 29 mm | 10.0 in254 mm | 9 |
| December | 34°F 1°C | 20°F -7°C | 1.7 in 44 mm | 7.4 in189 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 1 |
| February | 5 | 0 |
| March | 10 | 4 |
| April | 4 | 1 |
| May | 7 | 3 |
| June | 10 | 4 |
| July | 6 | 7 |
| August | 14 | 5 |
| September | 18 | 5 |
| October | 14 | 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 |