Climate La Harpe - Illinois
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 33 | 38 | 50 | 63 | 73 | 82 |
| Average low in ºF Av. low Lo | 15 | 19 | 29 | 40 | 51 | 61 |
| Av. precipitation in inch Av. precip. Pre. | 1.49 | 1.75 | 2.66 | 3.90 | 4.80 | 4.75 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 86 | 85 | 77 | 65 | 51 | 37 |
| Average low in ºF Av. low Lo | 65 | 63 | 53 | 42 | 31 | 19 |
| Av. precipitation in inch Av. precip. Pre. | 4.64 | 3.73 | 3.79 | 3.09 | 2.94 | 2.28 |
What is the average weather in La Harpe, Illinois?
La Harpe experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm, while winters bring cold conditions. The area is fairly wet overall, with precipitation spread relatively evenly throughout the year, though summer tends to be the wettest season.
La Harpe Climate Graph - Illinois Climate Chart
Daily normals La Harpe - Illinois - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 32.9 | 16.8 | 0.06 | 0.06 | 0.00 | 0.00 |
| 2 Jan | 32.7 | 16.6 | 0.11 | 0.11 | 0.00 | 0.00 |
| 3 Jan | 32.6 | 16.4 | 0.16 | 0.16 | 0.00 | 0.00 |
| 4 Jan | 32.4 | 16.2 | 0.22 | 0.22 | 0.00 | 0.00 |
| 5 Jan | 32.3 | 16.0 | 0.28 | 0.28 | 0.00 | 0.00 |
| 6 Jan | 32.1 | 15.8 | 0.33 | 0.33 | 0.00 | 0.00 |
| 7 Jan | 32.0 | 15.6 | 0.39 | 0.39 | 0.00 | 0.00 |
| 8 Jan | 31.9 | 15.4 | 0.44 | 0.44 | 0.00 | 0.00 |
| 9 Jan | 31.8 | 15.2 | 0.50 | 0.50 | 0.00 | 0.00 |
| 10 Jan | 31.7 | 15.1 | 0.55 | 0.55 | 0.00 | 0.00 |
| 11 Jan | 31.6 | 14.9 | 0.61 | 0.61 | 0.00 | 0.00 |
| 12 Jan | 31.5 | 14.8 | 0.66 | 0.66 | 0.00 | 0.00 |
| 13 Jan | 31.5 | 14.7 | 0.71 | 0.71 | 0.00 | 0.00 |
| 14 Jan | 31.4 | 14.6 | 0.77 | 0.77 | 0.00 | 0.00 |
| 15 Jan | 31.4 | 14.4 | 0.82 | 0.82 | 0.00 | 0.00 |
| 16 Jan | 31.3 | 14.4 | 0.87 | 0.87 | 0.00 | 0.00 |
| 17 Jan | 31.3 | 14.3 | 0.92 | 0.92 | 0.00 | 0.00 |
| 18 Jan | 31.3 | 14.2 | 0.98 | 0.98 | 0.00 | 0.00 |
| 19 Jan | 31.3 | 14.2 | 1.03 | 1.03 | 0.00 | 0.00 |
| 20 Jan | 31.3 | 14.1 | 1.08 | 1.08 | 0.00 | 0.00 |
| 21 Jan | 31.4 | 14.1 | 1.13 | 1.13 | 0.00 | 0.00 |
| 22 Jan | 31.4 | 14.1 | 1.17 | 1.17 | 0.00 | 0.00 |
| 23 Jan | 31.5 | 14.1 | 1.22 | 1.22 | 0.00 | 0.00 |
| 24 Jan | 31.5 | 14.2 | 1.27 | 1.27 | 0.00 | 0.00 |
| 25 Jan | 31.6 | 14.2 | 1.32 | 1.32 | 0.00 | 0.00 |
| 26 Jan | 31.7 | 14.3 | 1.37 | 1.37 | 0.00 | 0.00 |
| 27 Jan | 31.8 | 14.4 | 1.42 | 1.42 | 0.00 | 0.00 |
| 28 Jan | 31.9 | 14.5 | 1.46 | 1.46 | 0.00 | 0.00 |
| 29 Jan | 32.1 | 14.6 | 1.51 | 1.51 | 0.00 | 0.00 |
| 30 Jan | 32.2 | 14.8 | 1.55 | 1.55 | 0.00 | 0.00 |
| 31 Jan | 32.4 | 14.9 | 1.60 | 1.60 | 0.00 | 0.00 |
Weather history La Harpe - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 93.9 | 70.0 | 0.00 | - | - |
| 02 Sep | 96.1 | 71.1 | 0.00 | - | - |
| 03 Sep | 95.0 | 72.0 | 0.00 | - | - |
| 04 Sep | 97.0 | 72.0 | 0.00 | - | - |
| 05 Sep | 96.1 | 72.0 | 0.00 | - | - |
| 06 Sep | 93.0 | 69.1 | 0.00 | - | - |
| 07 Sep | 82.9 | 63.0 | 0.00 | - | - |
| 08 Sep | 82.0 | 63.0 | 0.00 | - | - |
| 09 Sep | 93.0 | 64.0 | 0.40 | - | - |
| 10 Sep | 75.0 | 64.9 | 0.60 | - | - |
| 11 Sep | 78.1 | 61.0 | 0.00 | - | - |
| 12 Sep | 84.0 | 64.0 | 0.00 | - | - |
| 13 Sep | 82.9 | 55.9 | 0.00 | - | - |
| 14 Sep | 73.0 | 55.0 | 0.07 | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather La Harpe
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 87.3 ºF | 33 ºF | |
| Average low temperature Av. low temp. | 65.5 ºF | 15 ºF | |
| Total precipitation Total precip. | 1.07 inch | 1.49 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 97.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 73.0 ºF | - | |
| Highest min temperature Highest min temp. | 72.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 55.0 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo La Harpe - Illinois
| Country | United States | |
|---|---|---|
| State | Illinois | |
| County | Hancock | |
| City | La Harpe | |
| Zip Code | 61450 | |
| Longitude | -90.97 dec. degr. | |
| Latitude | 40.58 dec. degr. | |
| Altitude - Elevation | 676ft | |
| ICAO | - | |
| IATA | - |
Date and Time La Harpe - Illinois
| Local Time | 04:40 AM | |
|---|---|---|
| Sunrise | 06:46 AM | |
| Sunset | 07:09 PM | |
| Day/Night | Night | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of La Harpe - Illinois
USGS National Map — Open interactive map
La Harpe weather averages
| Annual high temperature | 62ºF |
| Annual low temperature | 41ºF |
| Average annual precip. | 39.82 inch |
Station Data
Monthly averages La Harpe
Longitude: -90.97, Latitude: 40.58
Average weather La Harpe, IL - 61450
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...