Monticello, WI Weather
Monticello, 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 82.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 7.40 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 19 degrees Fahrenheit.
The annual average precipitation at Monticello is 36.83 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.98 Inches.
Weather Data
Current Conditions
|
Fair, 54°F | Humidity: 72% | Dewpoint: 45°F |
| Wind Speed: CALM | Heat Index: 54°F | ||
| Barometer: 30.11 in. | Wind Chill: 54°F |
Weather Forecast
 | Tonight: Partly cloudy. Areas of fog after midnight. Lows in the lower 40s. Southeast winds up to 5 mph. | |
| Lo: 41°F | ||
| Hi: 55°F | Monday: Partly sunny. Areas of fog in the morning. Highs in the mid 50s. Southeast winds 5 to 10 mph. |
| Lo: 41°F | ||
 | Hi: 49°F | Tuesday: Cloudy. Slight chance of light rain through late morning...Then rain likely in the afternoon. Highs in the upper 40s. Southeast winds 5 to 15 mph. Chance of rain 70 percent. |
| Lo: 40°F | ||
 | Hi: 41°F | Wednesday: Rain likely through late morning...Then light rain and light snow likely in the afternoon. Highs in the lower 40s. Chance of precipitation 60 percent. |
| Lo: 31°F | ||
 | Hi: 39°F | Thanksgiving day: Cloudy with a 40 percent chance of light snow. Highs in the upper 30s. |
| Lo: 29°F | ||
 | Hi: 40°F | Friday: Partly sunny. Highs around 40. |
| Lo: 29°F | ||
 | Hi: 41°F | Saturday: Sunny. Highs in the lower 40s. |
| Lo: 31°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:27 AM CST |
Sunrise: 6:58 AM CST |
| Sunset: 4:30 PM CST |
Civil Twilight: 5:01 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 25.8 | 31.3 | 42.9 | 56.6 | 69.6 | 79.2 | 82.7 | 80.3 | 72.4 | 60.8 | 44.6 | 30.8 | 56.4 |
| Mean °F | 16.6 | 21.7 | 33.2 | 45.6 | 57.9 | 67.5 | 71.5 | 69.1 | 60.4 | 49.0 | 35.3 | 22.2 | 45.8 |
| Min °F | 7.4 | 12.1 | 23.5 | 34.5 | 46.2 | 55.7 | 60.3 | 57.9 | 48.4 | 37.2 | 26.0 | 13.5 | 35.2 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.31 | 1.37 | 2.27 | 3.59 | 3.91 | 4.98 | 4.24 | 4.53 | 3.78 | 2.59 | 2.48 | 1.78 | 36.83 |
