Deerfield, WI Weather
Deerfield, 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 83.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 8.40 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.
The annual average precipitation at Deerfield is 34.38 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.61 Inches.
Weather Data
Current Conditions
|
Partly Cloudy, 58°F | Humidity: 62% | Dewpoint: 45°F |
| Wind Speed: S 6.9 MPH (6 KT) | Heat Index: 58°F | ||
| Barometer: 30.11 in. | Wind Chill: 57°F |
Weather Forecast
 | Hi: 59°F | Rest of today: Partly sunny. Scattered sprinkles. Highs in the upper 50s. Southeast winds 5 to 10 mph. |
| Lo: 41°F | ||
 | Hi: 51°F | Monday: Partly sunny. Patchy fog in the morning. Highs in the lower 50s. East winds 5 to 10 mph. |
| Lo: 40°F | ||
 | Hi: 50°F | Tuesday: Cloudy. Chance of rain through late morning...Then rain likely in the afternoon. Highs around 50. East winds 5 to 15 mph. Chance of rain 70 percent. |
| Lo: 39°F | ||
 | Hi: 41°F | Wednesday: Cloudy with a 50 percent chance of light rain and light snow. Highs in the lower 40s. |
| Lo: 31°F | ||
 | Hi: 39°F | Thanksgiving day: Mostly cloudy with a 30 percent chance of light snow. Highs in the upper 30s. |
| Lo: 25°F | ||
 | Hi: 41°F | Friday: Mostly sunny. Highs in the lower 40s. |
| Lo: 29°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:25 AM CST |
Sunrise: 6:56 AM CST |
| Sunset: 4:27 PM CST |
Civil Twilight: 4:58 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 25.7 | 31.1 | 42.8 | 57.1 | 69.8 | 79.7 | 83.8 | 80.6 | 72.5 | 60.7 | 43.8 | 30.5 | 56.5 |
| Mean °F | 17.1 | 21.9 | 33.4 | 46.8 | 58.7 | 68.8 | 73.5 | 70.6 | 61.9 | 50.6 | 36.0 | 23.2 | 46.9 |
| Min °F | 8.4 | 12.6 | 23.9 | 36.5 | 47.6 | 57.8 | 63.2 | 60.6 | 51.3 | 40.5 | 28.1 | 15.9 | 37.2 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.43 | 1.22 | 2.28 | 3.35 | 3.35 | 3.91 | 4.12 | 4.61 | 3.60 | 2.44 | 2.39 | 1.68 | 34.38 |
