Fond du Lac (WI) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Fond du Lac.

Climate overview of Fond du Lac

The climate in Fond du Lac, Wisconsin, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to -3°C (27°F) in January.

The city receives around 805 mm (32 in) of rain/snowfall per year. It experiences a distinct dry season from January to February, with warm summers and very cold winters. June is the wettest month and February the driest. Sunshine peaks in July, when the city sees around 11.0 hours of sunshine per day.

Fond du Lac Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Fond du Lac - and find the best time to visit.

Monthly Temperature in Fond du Lac

In Fond du Lac, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -3°C (27°F) in January.

Nighttime temperatures range from 17°C (63°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 Fond du Lac

On average, Fond du Lac receives a reasonable amount of rain/snowfall, with an annual precipitation of 805 mm (32 in). The seasons in Fond du Lac bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 119 mm (4.7 in) of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, February, experiences much less snowfall, totaling 30 mm (1.2 in) over 9 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Fond du Lac Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Fond du Lac

In Fond du Lac, summer days are longer and more sunny, with daily sunshine hours peaking at 11.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.0 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Port Washington, the United States of America (62 KM, 39 Miles).

Daily hours of sunshine

Data from: Port Washington, the United States of America (62 KM, 39 Miles).

Best Time to Visit Fond du Lac

The most comfortable overall weather for exploring Fond du Lac is usually found in May, July, August and September. Conditions are generally least comfortable in January, February, March, November and December.

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: 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 Fond du Lac

What is the best time to visit Fond du Lac?

May, July, August and September typically offer the most optimal weather in Fond du Lac. In contrast, January, February, March, November and December tend to have less optimal conditions. Fond du Lac has a distinct dry season from January to February, with warm summers and very cold winters.

What temperatures can I expect in Fond du Lac?

Daytime highs range from -3°C (27°F) in January to 27°C (81°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 Fond du Lac get?

Annual rainfall is around 805 mm (32 in). June is the wettest month with 119 mm (4.7 in), while February is the driest with 30 mm (1.2 in).

How sunny is Fond du Lac?

Fond du Lac receives around 2,560 hours of sunshine per year. July is the sunniest month with 330 hours, while January is the cloudiest with just 120 hours. Overall, Fond du Lac enjoys abundant sunshine.

Fond du Lac 3-Day Forecast

Fond du Lac (WI) 3-Day Forecast

Fond du Lac on the map

Fond du Lac is highlighted - select any city to see its climate.

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