Highland, Illinois Climate
United States
Pop. 9,848 Elev. 162 m / 532 ft
TZ: America/Chicago (UTC-5) ·
Summers in Highland are warm, with July highs around 89°F (32°C), while winters are frigid with January lows of 20°F (-7°C). Humidity pushes the summer feels-like temperature to around 107°F (42°C). Expect around 67 rainy days annually (42.0 in / 1067 mm total), with snow on 5 days and 27 in (689 mm) of annual accumulation. The city averages 126 sunny days per year and around 47 thunderstorm days. Nearby lake water reaches 82°F (28°C) in summer.
| Temperature | 89°F (32°C) high | 20°F (-7°C) low |
| Feels like | 107°F (42°C) high | 15°F (-10°C) low |
| Rain | 67 days | 42.0 in (1067 mm) /yr |
| Snow | 5 days | 27.1 in (689 mm) /yr |
| Sky | 126 sunny | 47 stormy |
| Wind | 2.1 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Aug, Oct
Sky & Air by Month
Cloud cover (%)
49
Jan 60
Feb 51
Mar 66
Apr 62
May 56
Jun 60
Jul 47
Aug 41
Sep 44
Oct 52
Nov 60
Dec Humidity (%)
65
Jan 63
Feb 51
Mar 60
Apr 63
May 70
Jun 75
Jul 68
Aug 62
Sep 66
Oct 67
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 16 mi Scott AFB/Midamerica Airport (BLV)
Ski resort 55 mi Hidden Valley
National park 73 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 1 mi Saint Joseph's Hospital
Hiking trail 34 mi
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 36°F 2°C | 20°F -7°C | 0.8 in 20 mm | 13.1 in333 mm | 13 |
| February | 44°F 7°C | 27°F -3°C | 1.1 in 27 mm | 7.6 in193 mm | 9 |
| March | 65°F 18°C | 43°F 6°C | 3.0 in 77 mm | 0.4 in10 mm | 15 |
| April | 70°F 21°C | 50°F 10°C | 6.3 in 160 mm | — | 5 |
| May | 75°F 24°C | 57°F 14°C | 5.5 in 140 mm | — | 9 |
| June | 86°F 30°C | 70°F 21°C | 6.3 in 160 mm | — | 9 |
| July | 89°F 32°C | 74°F 23°C | 5.9 in 149 mm | — | 6 |
| August | 85°F 30°C | 66°F 19°C | 0.9 in 23 mm | — | 14 |
| September | 84°F 29°C | 59°F 15°C | 5.3 in 134 mm | — | 13 |
| October | 72°F 22°C | 52°F 11°C | 3.4 in 87 mm | — | 16 |
| November | 57°F 14°C | 40°F 4°C | 2.8 in 70 mm | 3.8 in98 mm | 11 |
| December | 45°F 7°C | 30°F -1°C | 0.8 in 20 mm | 2.2 in56 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 0 |
| February | 9 | 1 |
| March | 15 | 4 |
| April | 5 | 8 |
| May | 9 | 6 |
| June | 9 | 9 |
| July | 6 | 9 |
| August | 14 | 1 |
| September | 13 | 4 |
| October | 16 | 2 |
| November | 11 | 2 |
| December | 6 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 1°C |
| February | 33°F 0°C |
| March | 48°F 9°C |
| April | 58°F 14°C |
| May | 65°F 18°C |
| June | 76°F 24°C |
| July | 82°F 28°C |
| August | 77°F 25°C |
| September | 71°F 22°C |
| October | 62°F 17°C |
| November | 46°F 8°C |
| December | 34°F 1°C |