Fort Atkinson (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Fort Atkinson.
Climate overview of Fort Atkinson
Fort Atkinson, Wisconsin, United States of America, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and January dropping to -2°C (28°F).
With around 956 mm (38 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has a distinct dry season from January to February, with warm summers and very cold winters. Sunshine peaks in July, when the city sees around 10.3 hours of sunshine per day.
Fort Atkinson Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fort Atkinson - and find the best time to visit.
Monthly Temperature in Fort Atkinson
Visitors to Fort Atkinson can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold -2°C (28°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -12°C (10°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Fort Atkinson
Generally, Fort Atkinson experiences moderate precipitation patterns, averaging 956 mm (38 in) yearly. The climate in Fort Atkinson shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 143 mm (5.6 in) of precipitation over 12 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 35 mm (1.4 in) of snowfall over 10 snowy days. For more details, please visit our Fort Atkinson 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 Fort Atkinson
For those who appreciate different seasons, Fort Atkinson serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 3.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Fort Atkinson by Month
The relative humidity is high throughout the year in Fort Atkinson.
The city experiences its highest humidity in December, reaching 77%. In May, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Fort Atkinson
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: A distinct dry season from January to February, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Fort Atkinson
What is the best time to visit Fort Atkinson?
May and September typically offer the most optimal weather in Fort Atkinson. In contrast, January, February, March, November and December tend to have less optimal conditions. Fort Atkinson has a distinct dry season from January to February, with warm summers and very cold winters.
What temperatures can I expect in Fort Atkinson?
Daytime highs range from -2°C (28°F) in January to 28°C (82°F) in July. Nighttime lows range from -12°C (10°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Fort Atkinson get?
Annual rainfall is around 956 mm (38 in). June is the wettest month with 143 mm (5.6 in), while January is the driest with 35 mm (1.4 in).
How sunny is Fort Atkinson?
Fort Atkinson receives around 2,454 hours of sunshine per year. July is the sunniest month with 308 hours, while December is the cloudiest with just 107 hours. Overall, Fort Atkinson enjoys abundant sunshine.
Fort Atkinson 3-Day Forecast
Fort Atkinson on the map
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