Hot-summer humid continental climate
Climate Joliet - Illinois
Annual high60ºF
Annual low41ºF
Precipitation36.81 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 31 | 17 | 1.80 |
| Feb | 36 | 20 | 1.71 |
| Mar | 47 | 29 | 2.25 |
| Apr | 61 | 39 | 3.49 |
| May | 71 | 49 | 4.08 |
| Jun | 81 | 60 | 3.88 |
| Jul | 84 | 64 | 4.33 |
| Aug | 82 | 63 | 4.16 |
| Sep | 76 | 55 | 3.01 |
| Oct | 64 | 43 | 2.84 |
| Nov | 49 | 33 | 3.06 |
| Dec | 35 | 21 | 2.20 |
- JanHigh 31ºFLow 17ºFPrecip 1.80 inch
- FebHigh 36ºFLow 20ºFPrecip 1.71 inch
- MarHigh 47ºFLow 29ºFPrecip 2.25 inch
- AprHigh 61ºFLow 39ºFPrecip 3.49 inch
- MayHigh 71ºFLow 49ºFPrecip 4.08 inch
- JunHigh 81ºFLow 60ºFPrecip 3.88 inch
- JulHigh 84ºFLow 64ºFPrecip 4.33 inch
- AugHigh 82ºFLow 63ºFPrecip 4.16 inch
- SepHigh 76ºFLow 55ºFPrecip 3.01 inch
- OctHigh 64ºFLow 43ºFPrecip 2.84 inch
- NovHigh 49ºFLow 33ºFPrecip 3.06 inch
- DecHigh 35ºFLow 21ºFPrecip 2.20 inch
Climate summary
What is the average weather in Joliet, Illinois?
Joliet experiences a humid continental climate, marked by very strong seasonal temperature swings. Summers are warm and fairly wet, with the most precipitation occurring during this season. Winters are cold, and the inland location amplifies these significant temperature differences between seasons. Precipitation is spread relatively evenly throughout the year.
Joliet weather averages
Annual high60ºF
Annual low41ºF
Precipitation36.81 inch
Daily normals Joliet - Illinois - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 32.3 | 18.5 | 0.07 | 0.07 | 0.10 | 0.10 |
| Jan 2 | 32.1 | 18.3 | 0.13 | 0.13 | 0.30 | 0.30 |
| Jan 3 | 31.9 | 18.1 | 0.20 | 0.20 | 0.40 | 0.40 |
| Jan 4 | 31.8 | 17.9 | 0.27 | 0.27 | 0.50 | 0.50 |
| Jan 5 | 31.6 | 17.8 | 0.34 | 0.34 | 0.70 | 0.70 |
| Jan 6 | 31.5 | 17.6 | 0.41 | 0.41 | 0.80 | 0.80 |
| Jan 7 | 31.4 | 17.4 | 0.48 | 0.48 | 1.00 | 1.00 |
| Jan 8 | 31.2 | 17.2 | 0.55 | 0.55 | 1.10 | 1.10 |
| Jan 9 | 31.1 | 17.1 | 0.62 | 0.62 | 1.30 | 1.30 |
| Jan 10 | 31.0 | 16.9 | 0.69 | 0.69 | 1.40 | 1.40 |
| Jan 11 | 30.9 | 16.7 | 0.76 | 0.76 | 1.60 | 1.60 |
| Jan 12 | 30.9 | 16.6 | 0.83 | 0.83 | 1.70 | 1.70 |
| Jan 13 | 30.8 | 16.5 | 0.89 | 0.89 | 1.90 | 1.90 |
| Jan 14 | 30.7 | 16.4 | 0.96 | 0.96 | 2.00 | 2.00 |
| Jan 15 | 30.7 | 16.2 | 1.02 | 1.02 | 2.20 | 2.20 |
| Jan 16 | 30.7 | 16.1 | 1.09 | 1.09 | 2.30 | 2.30 |
| Jan 17 | 30.6 | 16.1 | 1.16 | 1.16 | 2.50 | 2.50 |
| Jan 18 | 30.6 | 16.0 | 1.23 | 1.23 | 2.60 | 2.60 |
| Jan 19 | 30.6 | 15.9 | 1.30 | 1.30 | 2.80 | 2.80 |
| Jan 20 | 30.6 | 15.9 | 1.36 | 1.36 | 3.00 | 3.00 |
| Jan 21 | 30.6 | 15.8 | 1.42 | 1.42 | 3.10 | 3.10 |
| Jan 22 | 30.7 | 15.8 | 1.48 | 1.48 | 3.30 | 3.30 |
| Jan 23 | 30.7 | 15.8 | 1.54 | 1.54 | 3.50 | 3.50 |
| Jan 24 | 30.8 | 15.8 | 1.60 | 1.60 | 3.60 | 3.60 |
| Jan 25 | 30.9 | 15.8 | 1.66 | 1.66 | 3.80 | 3.80 |
| Jan 26 | 30.9 | 15.9 | 1.72 | 1.72 | 4.00 | 4.00 |
| Jan 27 | 31.0 | 15.9 | 1.77 | 1.77 | 4.20 | 4.20 |
| Jan 28 | 31.2 | 16.0 | 1.83 | 1.83 | 4.40 | 4.40 |
| Jan 29 | 31.3 | 16.1 | 1.88 | 1.88 | 4.60 | 4.60 |
| Jan 30 | 31.4 | 16.2 | 1.94 | 1.94 | 4.80 | 4.80 |
| Jan 31 | 31.6 | 16.3 | 1.99 | 1.99 | 5.00 | 5.00 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Joliet - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 63.0 | 52.0 | 0.29 |
| Nov 2 | 63.0 | 53.1 | 0.02 |
| Nov 3 | 64.0 | 54.0 | 0.14 |
| Nov 4 | 72.0 | 62.1 | 0.05 |
| Nov 5 | 62.1 | 48.9 | 0.01 |
| Nov 6 | 55.0 | 37.0 | 0.14 |
| Nov 7 | 48.0 | 32.0 | 0.00 |
| Nov 8 | – | – | – |
| Nov 9 | – | – | – |
| Nov 10 | – | – | – |
| Nov 11 | – | – | – |
| Nov 12 | – | – | – |
| Nov 13 | – | – | – |
| Nov 14 | – | – | – |
| Nov 15 | – | – | – |
| Nov 16 | – | – | – |
| Nov 17 | – | – | – |
| Nov 18 | – | – | – |
| Nov 19 | – | – | – |
| Nov 20 | – | – | – |
| Nov 21 | – | – | – |
| Nov 22 | – | – | – |
| Nov 23 | – | – | – |
| Nov 24 | – | – | – |
| Nov 25 | – | – | – |
| Nov 26 | – | – | – |
| Nov 27 | – | – | – |
| Nov 28 | – | – | – |
| Nov 29 | – | – | – |
| Nov 30 | – | – | – |
The data for November 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 temperature72.0ºF · Nov 4
- Lowest max temperature48.0ºF · Nov 7
- Highest min temperature62.1ºF · Nov 4
- Lowest min temperature32.0ºF · Nov 7
Geo Joliet - Illinois
Location
- Country
- United States
- State
- Illinois
- County
- Will
- City
- Joliet
- Zip Code
- 60433
- Elevation
- 531 ft
- Longitude
- -88.08
- Latitude
- 41.52
- ICAO
- –
- IATA
- –