Delafield (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Delafield.
Climate overview of Delafield
Delafield, Wisconsin, United States of America, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and January dropping to -3°C (27°F).
Annual rain/snowfall is moderate at around 951 mm (37 in), with June being the wettest month. The city also has warm summers and very cold winters. The most sunshine falls in July, with an average of 10.6 hours of daily sunshine.
Delafield Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Delafield - and find the best time to visit.
Monthly Temperature in Delafield
Visitors to Delafield can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -3°C (27°F).
At night, temperatures range from around 16°C (61°F) in July to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Delafield
Generally, Delafield experiences moderate precipitation patterns, averaging 951 mm (37 in) yearly. Delafield can be quite wet during June, receiving approximately 138 mm (5.4 in) of precipitation over 13 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 36 mm (1.4 in) of precipitation spread across 10 snowy days. For more details, please visit our Delafield Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Delafield
Delafield can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Delafield by Month
The relative humidity is high throughout the year in Delafield.
The city experiences its highest humidity in December, reaching 76%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Delafield
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Delafield
What is the best time to visit Delafield?
May, July, August and September typically offer the most optimal weather in Delafield. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Delafield has warm summers and very cold winters.
What temperatures can I expect in Delafield?
Daytime highs range from -3°C (27°F) in January to 28°C (82°F) in July. Nighttime lows range from -12°C (10°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Delafield get?
Annual rainfall is around 951 mm (37 in). June is the wettest month with 138 mm (5.4 in), while January is the driest with 36 mm (1.4 in).
How sunny is Delafield?
Delafield receives around 2,486 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 104 hours. Overall, Delafield enjoys abundant sunshine.
Delafield 3-Day Forecast
Delafield (WI) 3-Day Forecast
Delafield on the map
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