Manhattan, Illinois Climate
United States
Pop. 7,400 Elev. 211 m / 692 ft
TZ: America/Chicago (UTC-5) ·
Manhattan has a dry climate with warm summers reaching 86°F (30°C) in July and cold winters averaging 16°F (-9°C) in January. Humidity pushes the summer feels-like temperature to 96°F (36°C), while wind chill can drive winter lows to 7°F (-14°C). Rain falls on about 46 days per year (34.1 in / 865 mm total), with snow on 5 days and 36 in (903 mm) of annual accumulation. The city averages 112 sunny days per year and around 35 thunderstorm days. Ocean water temperatures reach 77°F (25°C) in summer.
| Temperature | 86°F (30°C) high | 16°F (-9°C) low |
| Feels like | 96°F (36°C) high | 7°F (-14°C) low |
| Rain | 46 days | 34.1 in (865 mm) /yr |
| Snow | 5 days | 35.6 in (903 mm) /yr |
| Sky | 112 sunny | 35 stormy |
| Wind | 2.7 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Aug, Sep
Sky & Air by Month
Cloud cover (%)
56
Jan 64
Feb 56
Mar 67
Apr 62
May 54
Jun 63
Jul 53
Aug 35
Sep 47
Oct 58
Nov 76
Dec Humidity (%)
61
Jan 65
Feb 59
Mar 60
Apr 66
May 67
Jun 73
Jul 73
Aug 67
Sep 65
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 28 mi Chicago Midway International Airport (MDW)
Ski resort 25 mi
National park 27 mi Historic Pullman Foundation Exhibit Hall
Hospital 8 mi Silver Cross Hospital
Hiking trail 11 mi Brown Paved Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F 0°C | 16°F -9°C | 0.6 in 16 mm | 6.0 in151 mm | 14 |
| February | 36°F 2°C | 21°F -6°C | 0.2 in 5 mm | 7.1 in181 mm | 6 |
| March | 58°F 15°C | 37°F 3°C | 3.9 in 99 mm | 4.2 in108 mm | 12 |
| April | 62°F 17°C | 44°F 6°C | 3.1 in 79 mm | 0.1 in3 mm | 6 |
| May | 69°F 20°C | 51°F 10°C | 4.3 in 110 mm | — | 8 |
| June | 84°F 29°C | 65°F 18°C | 5.5 in 140 mm | — | 10 |
| July | 86°F 30°C | 70°F 21°C | 4.7 in 119 mm | — | 5 |
| August | 81°F 27°C | 64°F 18°C | 3.6 in 92 mm | — | 9 |
| September | 79°F 26°C | 57°F 14°C | 1.5 in 37 mm | — | 17 |
| October | 67°F 20°C | 49°F 10°C | 3.7 in 94 mm | — | 13 |
| November | 51°F 10°C | 36°F 2°C | 1.1 in 28 mm | 10.3 in262 mm | 9 |
| December | 36°F 2°C | 21°F -6°C | 1.9 in 47 mm | 7.8 in198 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 1 |
| February | 6 | 0 |
| March | 12 | 5 |
| April | 6 | 2 |
| May | 8 | 4 |
| June | 10 | 5 |
| July | 5 | 6 |
| August | 9 | 6 |
| September | 17 | 3 |
| October | 13 | 2 |
| November | 9 | 0 |
| December | 3 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 36°F 2°C | 32°F 0°C |
| February | 33°F 1°C | 32°F 0°C |
| March | 38°F 4°C | 40°F 4°C |
| April | 47°F 8°C | 49°F 10°C |
| May | 54°F 12°C | 57°F 14°C |
| June | 71°F 22°C | 70°F 21°C |
| July | 76°F 25°C | 78°F 25°C |
| August | 77°F 25°C | 74°F 23°C |
| September | 69°F 21°C | 68°F 20°C |
| October | 66°F 19°C | 59°F 15°C |
| November | 53°F 12°C | 44°F 6°C |
| December | 43°F 6°C | 33°F 1°C |