Hot-summer humid continental climate
Climate Jefferson - Wisconsin
Annual high57ºF
Annual low37ºF
Precipitation36.99 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 27 | 10 | 1.34 |
| Feb | 32 | 14 | 1.43 |
| Mar | 43 | 24 | 2.11 |
| Apr | 58 | 37 | 3.60 |
| May | 69 | 47 | 3.66 |
| Jun | 80 | 58 | 4.74 |
| Jul | 83 | 63 | 4.47 |
| Aug | 81 | 61 | 4.60 |
| Sep | 74 | 50 | 3.59 |
| Oct | 61 | 39 | 2.97 |
| Nov | 46 | 28 | 2.53 |
| Dec | 31 | 15 | 1.95 |
- JanHigh 27ºFLow 10ºFPrecip 1.34 inch
- FebHigh 32ºFLow 14ºFPrecip 1.43 inch
- MarHigh 43ºFLow 24ºFPrecip 2.11 inch
- AprHigh 58ºFLow 37ºFPrecip 3.60 inch
- MayHigh 69ºFLow 47ºFPrecip 3.66 inch
- JunHigh 80ºFLow 58ºFPrecip 4.74 inch
- JulHigh 83ºFLow 63ºFPrecip 4.47 inch
- AugHigh 81ºFLow 61ºFPrecip 4.60 inch
- SepHigh 74ºFLow 50ºFPrecip 3.59 inch
- OctHigh 61ºFLow 39ºFPrecip 2.97 inch
- NovHigh 46ºFLow 28ºFPrecip 2.53 inch
- DecHigh 31ºFLow 15ºFPrecip 1.95 inch
Climate summary
What is the average weather in Jefferson, Wisconsin?
Jefferson experiences a humid continental climate with very strong seasonal temperature swings due to its inland location. Summers are warm and fairly wet, with June typically being the wettest month. Winters are cold, and precipitation is spread relatively evenly throughout the year, though winter is the driest season.
Jefferson weather averages
Annual high57ºF
Annual low37ºF
Precipitation36.99 inch
Daily normals Jefferson - Wisconsin - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 27.9 | 13.5 | 0.06 | 0.06 |
| Jan 2 | 27.7 | 13.2 | 0.12 | 0.12 |
| Jan 3 | 27.5 | 13.0 | 0.18 | 0.18 |
| Jan 4 | 27.4 | 12.7 | 0.24 | 0.24 |
| Jan 5 | 27.2 | 12.5 | 0.30 | 0.30 |
| Jan 6 | 27.1 | 12.2 | 0.35 | 0.35 |
| Jan 7 | 27.0 | 12.0 | 0.40 | 0.40 |
| Jan 8 | 26.9 | 11.8 | 0.46 | 0.46 |
| Jan 9 | 26.7 | 11.6 | 0.51 | 0.51 |
| Jan 10 | 26.7 | 11.4 | 0.57 | 0.57 |
| Jan 11 | 26.6 | 11.2 | 0.62 | 0.62 |
| Jan 12 | 26.5 | 11.0 | 0.67 | 0.67 |
| Jan 13 | 26.5 | 10.9 | 0.72 | 0.72 |
| Jan 14 | 26.4 | 10.7 | 0.77 | 0.77 |
| Jan 15 | 26.4 | 10.6 | 0.82 | 0.82 |
| Jan 16 | 26.3 | 10.5 | 0.87 | 0.87 |
| Jan 17 | 26.3 | 10.3 | 0.92 | 0.92 |
| Jan 18 | 26.3 | 10.3 | 0.97 | 0.97 |
| Jan 19 | 26.3 | 10.2 | 1.02 | 1.02 |
| Jan 20 | 26.4 | 10.1 | 1.08 | 1.08 |
| Jan 21 | 26.4 | 10.1 | 1.13 | 1.13 |
| Jan 22 | 26.4 | 10.0 | 1.18 | 1.18 |
| Jan 23 | 26.5 | 10.0 | 1.23 | 1.23 |
| Jan 24 | 26.6 | 10.0 | 1.28 | 1.28 |
| Jan 25 | 26.6 | 10.0 | 1.34 | 1.34 |
| Jan 26 | 26.7 | 10.1 | 1.39 | 1.39 |
| Jan 27 | 26.8 | 10.1 | 1.44 | 1.44 |
| Jan 28 | 27.0 | 10.2 | 1.49 | 1.49 |
| Jan 29 | 27.1 | 10.3 | 1.54 | 1.54 |
| Jan 30 | 27.2 | 10.4 | 1.59 | 1.59 |
| Jan 31 | 27.4 | 10.5 | 1.64 | 1.64 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Jefferson - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 64.0 | 57.9 | 0.58 |
| Oct 2 | 64.0 | 46.9 | 0.91 |
| Oct 3 | 64.0 | 41.0 | 0.00 |
| Oct 4 | 69.1 | 41.0 | 0.00 |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | – | – | – |
| Oct 8 | 73.9 | 44.1 | 0.00 |
| Oct 9 | 66.9 | 44.1 | 0.00 |
| Oct 10 | 66.0 | 48.0 | 0.08 |
| Oct 11 | 82.9 | 52.0 | 0.00 |
| Oct 12 | 78.1 | 51.1 | 0.00 |
| Oct 13 | 84.9 | 63.0 | 0.00 |
| Oct 14 | 75.0 | 55.0 | 0.03 |
| Oct 15 | 62.1 | 52.0 | 0.01 |
| Oct 16 | 55.0 | 48.0 | 0.46 |
| Oct 17 | 53.1 | 30.9 | 0.01 |
| Oct 18 | 55.9 | 30.0 | 0.00 |
| Oct 19 | 64.0 | 39.0 | 0.00 |
| Oct 20 | 66.9 | 37.9 | 0.00 |
| Oct 21 | 69.1 | 37.0 | 0.00 |
| Oct 22 | 71.1 | 37.9 | 0.00 |
| Oct 23 | 73.0 | 42.1 | 0.00 |
| Oct 24 | 71.1 | 44.1 | 0.00 |
| Oct 25 | 71.1 | 48.9 | 0.00 |
| Oct 26 | 75.0 | 48.9 | 0.00 |
| Oct 27 | 57.9 | 45.0 | 0.00 |
| Oct 28 | 64.0 | 46.0 | 0.00 |
| Oct 29 | 73.9 | 46.0 | 0.10 |
| Oct 30 | 64.9 | 39.9 | 0.00 |
| Oct 31 | 54.0 | 39.0 | 0.00 |
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 temperature84.9ºF · Oct 13
- Lowest max temperature53.1ºF · Oct 17
- Highest min temperature63.0ºF · Oct 13
- Lowest min temperature30.0ºF · Oct 18
Geo Jefferson - Wisconsin
Location
- Country
- United States
- State
- Wisconsin
- County
- –
- City
- Jefferson
- Zip Code
- 53549
- Elevation
- 801 ft
- Longitude
- -88.81
- Latitude
- 43.01
- ICAO
- –
- IATA
- –