La Harpe, Illinois Climate
United States
Pop. 1,197 Elev. 214 m / 702 ft
TZ: America/Chicago (UTC-5) ·
La Harpe is largely arid, with hot summers peaking at 90°F (32°C) in July and cold winters around 17°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 104°F (40°C), while wind chill can drive winter lows to 10°F (-12°C). Precipitation occurs on roughly 42 days per year (25.0 in / 636 mm total), with snow on 4 days and 30 in (765 mm) of annual accumulation. The city averages 128 sunny days per year and around 30 thunderstorm days. Nearby lake water reaches 80°F (27°C) in summer.
| Temperature | 90°F (32°C) high | 17°F (-8°C) low |
| Feels like | 104°F (40°C) high | 10°F (-12°C) low |
| Rain | 42 days | 25.0 in (636 mm) /yr |
| Snow | 4 days | 30.1 in (765 mm) /yr |
| Sky | 128 sunny | 30 stormy |
| Wind | 2.4 mph (1.1 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
48
Jan 58
Feb 49
Mar 67
Apr 53
May 51
Jun 64
Jul 48
Aug 42
Sep 44
Oct 50
Nov 68
Dec Humidity (%)
63
Jan 64
Feb 56
Mar 60
Apr 55
May 64
Jun 68
Jul 66
Aug 53
Sep 57
Oct 64
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 16 mi Southeast Iowa Regional Airport (BRL)
Ski resort 123 mi Chestnut Mountain Resort
National park 168 mi Pikes Peak State Park
Hospital 14 mi Memorial Hospital
Hiking trail 62 mi
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 33°F 1°C | 17°F -8°C | 0.4 in 10 mm | 5.0 in126 mm | 12 |
| February | 38°F 3°C | 22°F -6°C | 0.1 in 3 mm | 3.8 in96 mm | 8 |
| March | 61°F 16°C | 38°F 3°C | 3.0 in 76 mm | 5.2 in132 mm | 13 |
| April | 67°F 19°C | 46°F 8°C | 4.2 in 106 mm | 0.0 in1 mm | 6 |
| May | 75°F 24°C | 54°F 12°C | 2.6 in 66 mm | — | 13 |
| June | 87°F 30°C | 67°F 19°C | 4.0 in 102 mm | — | 10 |
| July | 90°F 32°C | 72°F 22°C | 4.0 in 101 mm | — | 8 |
| August | 85°F 29°C | 66°F 19°C | 1.6 in 41 mm | — | 13 |
| September | 85°F 29°C | 59°F 15°C | 0.8 in 22 mm | — | 13 |
| October | 73°F 23°C | 52°F 11°C | 1.4 in 36 mm | — | 14 |
| November | 54°F 12°C | 37°F 3°C | 1.3 in 33 mm | 8.5 in216 mm | 12 |
| December | 38°F 4°C | 22°F -6°C | 1.5 in 38 mm | 7.6 in194 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 8 | 0 |
| March | 13 | 4 |
| April | 6 | 4 |
| May | 13 | 2 |
| June | 10 | 3 |
| July | 8 | 6 |
| August | 13 | 4 |
| September | 13 | 2 |
| October | 14 | 2 |
| November | 12 | 2 |
| December | 6 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 40°F 5°C |
| April | 52°F 11°C |
| May | 61°F 16°C |
| June | 72°F 22°C |
| July | 80°F 27°C |
| August | 76°F 25°C |
| September | 69°F 21°C |
| October | 62°F 17°C |
| November | 45°F 7°C |
| December | 32°F 0°C |