Hillcrest, Illinois Climate
United States
Pop. 1,280 Elev. 251 m / 824 ft
TZ: America/Chicago (UTC-5) ·
Hillcrest is largely arid, with warm summers peaking at 85°F (29°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 5°F (-15°C). Precipitation occurs on roughly 44 days per year (32.4 in / 822 mm total), with snow on 6 days and 34 in (863 mm) of annual accumulation. The city averages 119 sunny days per year and around 32 thunderstorm days. Nearby lake water reaches 77°F (25°C) in summer.
| Temperature | 85°F (30°C) high | 15°F (-10°C) low |
| Feels like | 95°F (35°C) high | 5°F (-15°C) low |
| Rain | 44 days | 32.4 in (822 mm) /yr |
| Snow | 6 days | 34.0 in (863 mm) /yr |
| Sky | 119 sunny | 32 stormy |
| Wind | 2.6 mph (1.1 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
54
Jan 63
Feb 55
Mar 67
Apr 59
May 53
Jun 61
Jul 52
Aug 36
Sep 46
Oct 56
Nov 76
Dec Humidity (%)
60
Jan 66
Feb 58
Mar 58
Apr 60
May 64
Jun 73
Jul 73
Aug 66
Sep 65
Oct 66
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 17 mi Chicago Rockford International Airport (RFD)
Ski resort 38 mi
National park 77 mi Historic Pullman Foundation Exhibit Hall
Hospital 2 mi Rochelle Community Hospital
Hiking trail 15 mi Forest Ridge
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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 | 1.1 in 28 mm | 2.8 in70 mm | 13 |
| February | 34°F 1°C | 17°F -8°C | 0.1 in 2 mm | 7.4 in189 mm | 5 |
| March | 57°F 14°C | 34°F 1°C | 3.5 in 88 mm | 5.8 in148 mm | 10 |
| April | 62°F 17°C | 42°F 6°C | 3.4 in 87 mm | 0.0 in1 mm | 4 |
| May | 70°F 21°C | 50°F 10°C | 3.2 in 81 mm | — | 10 |
| June | 84°F 29°C | 64°F 18°C | 3.8 in 97 mm | — | 10 |
| July | 85°F 30°C | 69°F 21°C | 5.6 in 142 mm | — | 7 |
| August | 80°F 27°C | 62°F 17°C | 4.3 in 110 mm | — | 14 |
| September | 78°F 26°C | 56°F 13°C | 2.8 in 70 mm | — | 19 |
| October | 67°F 19°C | 48°F 9°C | 1.6 in 40 mm | — | 13 |
| November | 50°F 10°C | 34°F 1°C | 1.1 in 28 mm | 10.4 in264 mm | 10 |
| December | 33°F 1°C | 19°F -7°C | 1.9 in 47 mm | 7.5 in192 mm | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 1 |
| February | 5 | 0 |
| March | 10 | 3 |
| April | 4 | 1 |
| May | 10 | 3 |
| June | 10 | 4 |
| July | 7 | 8 |
| August | 14 | 6 |
| September | 19 | 4 |
| October | 13 | 1 |
| November | 10 | 0 |
| December | 4 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 36°F 2°C |
| April | 46°F 8°C |
| May | 56°F 13°C |
| June | 69°F 21°C |
| July | 77°F 25°C |
| August | 72°F 22°C |
| September | 65°F 18°C |
| October | 58°F 14°C |
| November | 42°F 5°C |
| December | 32°F 0°C |