Jefferson, WI Weather
Jefferson, WI climate is warm during summer when temperatures tend to be in the 70's and extremely cold during winter when temperatures tend to be in the 10's.
The warmest month of the year is July with an average maximum temperature of 83.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 7.50 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 22 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.
The annual average precipitation at Jefferson is 33.46 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.16 Inches.
Weather Data
Current Conditions
|
Fair, 72°F | Humidity: 50% | Dewpoint: 52°F |
| Wind Speed: S 11.5 MPH (10 KT) | Heat Index: 72°F | ||
| Barometer: 29.97 in. | Wind Chill: 72°F |
Weather Forecast
 | Tonight: Warmer. Increasing clouds. Lows in the lower 50s. Southwest winds 5 to 10 mph. | |
| Lo: 51°F | ||
 | Hi: 61°F | Monday: Mostly cloudy. Highs in the lower 60s. North winds 5 to 10 mph. |
| Lo: 35°F | ||
 | Hi: 59°F | Tuesday: Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph. |
| Lo: 31°F | ||
| Hi: 51°F | Veterans day: Mostly sunny. Highs in the lower 50s. |
| Lo: 35°F | ||
| Hi: 59°F | Thursday: Partly sunny. Highs in the upper 50s. |
| Lo: 39°F | ||
| Hi: 59°F | Friday: Partly sunny. Highs in the upper 50s. |
| Lo: 41°F | ||
 | Hi: 51°F | Saturday: Mostly cloudy with a 20 percent chance of light rain showers. Highs in the lower 50s. |
| Lo: 35°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waning Gibbous Moon | Civil Twilight: 6:07 AM CST |
Sunrise: 6:37 AM CST |
| Sunset: 4:39 PM CST |
Civil Twilight: 5:09 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 25.9 | 31.2 | 43.0 | 56.8 | 69.5 | 79.3 | 83.0 | 80.4 | 72.7 | 60.8 | 44.6 | 31.2 | 56.5 |
| Mean °F | 16.7 | 22.0 | 33.6 | 46.2 | 57.9 | 67.6 | 71.8 | 69.2 | 60.8 | 49.4 | 35.9 | 23.0 | 46.2 |
| Min °F | 7.5 | 12.7 | 24.2 | 35.6 | 46.2 | 55.9 | 60.5 | 58.0 | 48.9 | 38.0 | 27.2 | 14.7 | 35.8 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.39 | 1.32 | 2.10 | 3.42 | 3.25 | 3.79 | 3.92 | 4.16 | 3.41 | 2.56 | 2.49 | 1.65 | 33.46 |
