Climate Knoxville - Illinois
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 31 | 37 | 49 | 62 | 72 | 81 |
| Average low in ºF Av. low Lo | 14 | 19 | 28 | 39 | 50 | 61 |
| Av. precipitation in inch Av. precip. Pre. | 1.88 | 1.97 | 2.79 | 3.95 | 4.86 | 4.51 |
| Av. snowfall in inch Snowfall Sn | 7 | 6 | 4 | 0 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 84 | 83 | 76 | 64 | 49 | 35 |
| Average low in ºF Av. low Lo | 64 | 63 | 53 | 41 | 31 | 18 |
| Av. precipitation in inch Av. precip. Pre. | 4.29 | 4.19 | 3.80 | 3.17 | 2.76 | 2.45 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 1 | 9 |
What is the average weather in Knoxville, Illinois?
Knoxville experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm and fairly wet, with the most precipitation arriving in May. Winters are cold, bringing regular snowfall, and are the driest season. Precipitation is spread relatively evenly through the year, with winter moisture often arriving as snow.
Knoxville Climate Graph - Illinois Climate Chart
Daily normals Knoxville - Illinois - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 31.3 | 14.3 | 0.08 | 0.08 | 0.20 | 0.50 |
| 2 Jan | 31.2 | 14.2 | 0.16 | 0.16 | 0.39 | 1.00 |
| 3 Jan | 31.1 | 14.1 | 0.20 | 0.20 | 0.59 | 1.50 |
| 4 Jan | 31.0 | 14.0 | 0.28 | 0.28 | 0.79 | 2.00 |
| 5 Jan | 30.9 | 13.9 | 0.35 | 0.35 | 0.98 | 2.50 |
| 6 Jan | 30.8 | 13.8 | 0.39 | 0.39 | 1.10 | 2.80 |
| 7 Jan | 30.8 | 13.8 | 0.47 | 0.47 | 1.42 | 3.60 |
| 8 Jan | 30.7 | 13.7 | 0.51 | 0.51 | 1.61 | 4.10 |
| 9 Jan | 30.7 | 13.7 | 0.59 | 0.59 | 1.81 | 4.60 |
| 10 Jan | 30.7 | 13.6 | 0.67 | 0.67 | 2.01 | 5.10 |
| 11 Jan | 30.6 | 13.6 | 0.71 | 0.71 | 2.09 | 5.30 |
| 12 Jan | 30.6 | 13.6 | 0.75 | 0.75 | 2.28 | 5.80 |
| 13 Jan | 30.6 | 13.6 | 0.83 | 0.83 | 2.52 | 6.40 |
| 14 Jan | 30.6 | 13.6 | 0.87 | 0.87 | 2.72 | 6.90 |
| 15 Jan | 30.7 | 13.6 | 0.91 | 0.91 | 2.91 | 7.40 |
| 16 Jan | 30.7 | 13.6 | 0.98 | 0.98 | 3.11 | 7.90 |
| 17 Jan | 30.7 | 13.7 | 1.06 | 1.06 | 3.31 | 8.40 |
| 18 Jan | 30.8 | 13.7 | 1.10 | 1.10 | 3.58 | 9.10 |
| 19 Jan | 30.8 | 13.7 | 1.18 | 1.18 | 3.82 | 9.70 |
| 20 Jan | 30.9 | 13.8 | 1.22 | 1.22 | 4.02 | 10.20 |
| 21 Jan | 31.0 | 13.9 | 1.30 | 1.30 | 4.21 | 10.70 |
| 22 Jan | 31.1 | 13.9 | 1.34 | 1.34 | 4.49 | 11.40 |
| 23 Jan | 31.2 | 14.0 | 1.38 | 1.38 | 4.69 | 11.90 |
| 24 Jan | 31.3 | 14.1 | 1.46 | 1.46 | 4.88 | 12.40 |
| 25 Jan | 31.4 | 14.2 | 1.50 | 1.50 | 5.20 | 13.20 |
| 26 Jan | 31.5 | 14.3 | 1.57 | 1.57 | 5.39 | 13.70 |
| 27 Jan | 31.7 | 14.5 | 1.61 | 1.61 | 5.71 | 14.50 |
| 28 Jan | 31.8 | 14.6 | 1.69 | 1.69 | 5.98 | 15.20 |
| 29 Jan | 32.0 | 14.7 | 1.77 | 1.77 | 6.18 | 15.70 |
| 30 Jan | 32.2 | 14.9 | 1.81 | 1.81 | 6.50 | 16.50 |
| 31 Jan | 32.4 | 15.1 | 1.89 | 1.89 | 6.69 | 17.00 |
Weather history Knoxville - July 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jul | 91.0 | 73.9 | 0.00 | 0.00 | 0.0 |
| 02 Jul | 90.0 | 73.9 | 0.00 | 0.00 | 0.0 |
| 03 Jul | - | - | - | - | - |
| 04 Jul | - | - | - | - | - |
| 05 Jul | - | - | - | - | - |
| 06 Jul | - | - | - | - | - |
| 07 Jul | - | - | - | - | - |
| 08 Jul | - | - | - | - | - |
| 09 Jul | - | - | - | - | - |
| 10 Jul | - | - | - | - | - |
| 11 Jul | - | - | - | - | - |
| 12 Jul | - | - | - | - | - |
| 13 Jul | - | - | - | - | - |
| 14 Jul | - | - | - | - | - |
| 15 Jul | - | - | - | - | - |
| 16 Jul | - | - | - | - | - |
| 17 Jul | - | - | - | - | - |
| 18 Jul | - | - | - | - | - |
| 19 Jul | - | - | - | - | - |
| 20 Jul | - | - | - | - | - |
| 21 Jul | - | - | - | - | - |
| 22 Jul | - | - | - | - | - |
| 23 Jul | - | - | - | - | - |
| 24 Jul | - | - | - | - | - |
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| 27 Jul | - | - | - | - | - |
| 28 Jul | - | - | - | - | - |
| 29 Jul | - | - | - | - | - |
| 30 Jul | - | - | - | - | - |
| 31 Jul | - | - | - | - | - |
Past weather Knoxville
| Jul 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 90.5 ºF | 31 ºF | |
| Average low temperature Av. low temp. | 73.9 ºF | 14 ºF | |
| Total precipitation Total precip. | 0.00 inch | 1.88 inch | |
| Total snowfall Total snowfall | 0.00 inch | 7 inch | |
| Highest max temperature Highest max temp. | 91.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 90.0 ºF | - | |
| Highest min temperature Highest min temp. | 73.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 73.9 ºF | - | |
Past weather July 2026 incomplete - Missing data
Geo Knoxville - Illinois
| Country | United States | |
|---|---|---|
| State | Illinois | |
| County | - | |
| City | Knoxville | |
| Zip Code | 61448 | |
| Longitude | -90.28 dec. degr. | |
| Latitude | 40.91 dec. degr. | |
| Altitude - Elevation | 781ft | |
| ICAO | - | |
| IATA | - |
Date and Time Knoxville - Illinois
| Local Time | 03:38 PM | |
|---|---|---|
| Sunrise | 05:33 AM | |
| Sunset | 08:37 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Knoxville - Illinois
USGS National Map — Open interactive map
Knoxville weather averages
| Annual high temperature | 60ºF |
| Annual low temperature | 40ºF |
| Average annual precip. | 40.62 inch |
| Av. annual snowfall | 27 inch |
Station Data
Monthly averages Knoxville
Longitude: -90.2849, Latitude: 40.9084
Average weather Knoxville, IL - 61448
Monthly: 1991-2020 normals
History: 2008-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...