Hot-summer humid continental climate
Climate Peoria - Illinois
Annual high61ºF
Annual low42ºF
Precipitation36.49 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 33 | 17 | 1.78 | 7 |
| Feb | 38 | 21 | 1.79 | 6 |
| Mar | 50 | 31 | 2.80 | 3 |
| Apr | 63 | 42 | 3.63 | 1 |
| May | 73 | 52 | 4.33 | 0 |
| Jun | 82 | 61 | 3.53 | 0 |
| Jul | 86 | 65 | 3.85 | 0 |
| Aug | 84 | 64 | 3.24 | 0 |
| Sep | 77 | 55 | 3.15 | 0 |
| Oct | 65 | 44 | 2.84 | 0 |
| Nov | 50 | 33 | 3.13 | 1 |
| Dec | 36 | 21 | 2.42 | 7 |
- JanHigh 33ºFLow 17ºFPrecip 1.78 inch
- FebHigh 38ºFLow 21ºFPrecip 1.79 inch
- MarHigh 50ºFLow 31ºFPrecip 2.80 inch
- AprHigh 63ºFLow 42ºFPrecip 3.63 inch
- MayHigh 73ºFLow 52ºFPrecip 4.33 inch
- JunHigh 82ºFLow 61ºFPrecip 3.53 inch
- JulHigh 86ºFLow 65ºFPrecip 3.85 inch
- AugHigh 84ºFLow 64ºFPrecip 3.24 inch
- SepHigh 77ºFLow 55ºFPrecip 3.15 inch
- OctHigh 65ºFLow 44ºFPrecip 2.84 inch
- NovHigh 50ºFLow 33ºFPrecip 3.13 inch
- DecHigh 36ºFLow 21ºFPrecip 2.42 inch
Climate summary
What is the average weather in Peoria, Illinois?
Peoria experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm, while winters are cold and bring regular snowfall. The area is fairly wet, with precipitation spread relatively evenly throughout the year, though spring tends to be wetter and winter is the driest season.
Peoria weather averages
Annual high61ºF
Annual low42ºF
Precipitation36.49 inch
Snowfall25 inch
Daily normals Peoria - Illinois - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 34.4 | 19.4 | 0.08 | 0.08 | 0.20 | 0.20 |
| Jan 2 | 34.3 | 19.2 | 0.15 | 0.15 | 0.50 | 0.50 |
| Jan 3 | 34.1 | 19.0 | 0.23 | 0.23 | 0.70 | 0.70 |
| Jan 4 | 34.0 | 18.8 | 0.30 | 0.30 | 1.00 | 1.00 |
| Jan 5 | 33.9 | 18.6 | 0.37 | 0.37 | 1.20 | 1.20 |
| Jan 6 | 33.8 | 18.4 | 0.45 | 0.45 | 1.50 | 1.50 |
| Jan 7 | 33.7 | 18.2 | 0.52 | 0.52 | 1.70 | 1.70 |
| Jan 8 | 33.6 | 18.1 | 0.59 | 0.59 | 2.00 | 2.00 |
| Jan 9 | 33.5 | 17.9 | 0.67 | 0.67 | 2.20 | 2.20 |
| Jan 10 | 33.4 | 17.8 | 0.74 | 0.74 | 2.50 | 2.50 |
| Jan 11 | 33.3 | 17.6 | 0.81 | 0.81 | 2.70 | 2.70 |
| Jan 12 | 33.3 | 17.5 | 0.87 | 0.87 | 3.00 | 3.00 |
| Jan 13 | 33.2 | 17.4 | 0.94 | 0.94 | 3.20 | 3.20 |
| Jan 14 | 33.2 | 17.3 | 1.01 | 1.01 | 3.50 | 3.50 |
| Jan 15 | 33.2 | 17.2 | 1.07 | 1.07 | 3.70 | 3.70 |
| Jan 16 | 33.1 | 17.1 | 1.14 | 1.14 | 4.00 | 4.00 |
| Jan 17 | 33.1 | 17.0 | 1.21 | 1.21 | 4.20 | 4.20 |
| Jan 18 | 33.2 | 17.0 | 1.28 | 1.28 | 4.50 | 4.50 |
| Jan 19 | 33.2 | 16.9 | 1.35 | 1.35 | 4.70 | 4.70 |
| Jan 20 | 33.2 | 16.9 | 1.41 | 1.41 | 5.00 | 5.00 |
| Jan 21 | 33.3 | 16.9 | 1.47 | 1.47 | 5.20 | 5.20 |
| Jan 22 | 33.3 | 16.9 | 1.54 | 1.54 | 5.50 | 5.50 |
| Jan 23 | 33.4 | 16.9 | 1.60 | 1.60 | 5.80 | 5.80 |
| Jan 24 | 33.5 | 16.9 | 1.66 | 1.66 | 6.00 | 6.00 |
| Jan 25 | 33.6 | 17.0 | 1.72 | 1.72 | 6.30 | 6.30 |
| Jan 26 | 33.7 | 17.0 | 1.78 | 1.78 | 6.50 | 6.50 |
| Jan 27 | 33.8 | 17.1 | 1.83 | 1.83 | 6.80 | 6.80 |
| Jan 28 | 33.9 | 17.2 | 1.89 | 1.89 | 7.00 | 7.00 |
| Jan 29 | 34.1 | 17.3 | 1.95 | 1.95 | 7.20 | 7.20 |
| Jan 30 | 34.2 | 17.4 | 2.00 | 2.00 | 7.50 | 7.50 |
| Jan 31 | 34.4 | 17.6 | 2.06 | 2.06 | 7.70 | 7.70 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Peoria - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 73.9 | 61.0 | 0.57 |
| Oct 2 | 69.1 | 51.1 | T |
| Oct 3 | 72.0 | 46.0 | 0.00 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 82.9 | 54.0 | 0.00 |
| Oct 8 | 79.0 | 50.0 | 0.00 |
| Oct 9 | 81.0 | 54.0 | 0.22 |
| Oct 10 | 81.0 | 57.9 | 0.00 |
| Oct 11 | 81.0 | 52.0 | 0.00 |
| Oct 12 | 88.0 | 60.1 | 0.00 |
| Oct 13 | 86.0 | 66.9 | 0.18 |
| Oct 14 | 71.1 | 62.1 | T |
| Oct 15 | 72.0 | 53.1 | 0.06 |
| Oct 16 | 55.9 | 43.0 | 0.03 |
| Oct 17 | – | – | – |
| Oct 18 | 64.0 | 37.9 | 0.00 |
| Oct 19 | – | – | – |
| Oct 20 | – | – | – |
| Oct 21 | 73.0 | 44.1 | 0.00 |
| Oct 22 | 75.0 | 46.0 | 0.00 |
| Oct 23 | 73.9 | 48.9 | 0.00 |
| Oct 24 | 73.0 | 48.9 | 0.00 |
| Oct 25 | 75.9 | 48.0 | 0.00 |
| Oct 26 | 75.0 | 50.0 | 0.00 |
| Oct 27 | 70.0 | 50.0 | 0.00 |
| Oct 28 | – | – | – |
| Oct 29 | – | – | – |
| Oct 30 | – | – | – |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature88.0ºF · Oct 12
- Lowest max temperature55.9ºF · Oct 16
- Highest min temperature66.9ºF · Oct 13
- Lowest min temperature37.9ºF · Oct 18
Geo Peoria - Illinois
Location
- Country
- United States
- State
- Illinois
- County
- Peoria
- City
- Peoria
- Zip Code
- 61602
- Elevation
- 502 ft
- Longitude
- -89.59
- Latitude
- 40.69
- ICAO
- –
- IATA
- –