Hayward (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hayward.
Climate overview of Hayward
Hayward, Wisconsin, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to -5°C (23°F) in January.
Annual rain/snowfall is moderate at around 830 mm (33 in), with August being the wettest month. The city also has a distinct dry season from January to February, with warm summers and very cold winters.
Hayward Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hayward - and find the best time to visit.
Monthly Temperature in Hayward
Depending on the time of the year, temperatures range from comfortable to very cold in Hayward. Average daytime temperatures reach a comfortable 27°C (81°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -5°C (23°F).
At night, temperatures range from around 14°C (57°F) in July to -17°C (1°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hayward
Generally, Hayward has a moderate amount of precipitation, averaging 830 mm (33 in) of rain/snowfall annually. Hayward can be quite wet during August, receiving approximately 118 mm (4.6 in) of precipitation over 12 rainy days.
In contrast, during the driest month (February), you will experience much drier conditions, with 17 mm (0.7 in) of precipitation spread across 7 snowy days. For more details, please visit our Hayward Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Hayward
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: July and August
- Fewest rainy days: January, February, March and November
- Seasonal pattern: A distinct dry season from January to February, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -17°C (1°F).
Frequently asked questions about the climate in Hayward
What is the best time to visit Hayward?
September typically offers the most optimal weather in Hayward. In contrast, January, February, March, November and December tend to have less optimal conditions. Hayward has a distinct dry season from January to February, with warm summers and very cold winters.
What temperatures can I expect in Hayward?
Daytime highs range from -5°C (23°F) in January to 27°C (81°F) in July. Nighttime lows range from -17°C (1°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Hayward get?
Annual rainfall is around 830 mm (33 in). August is the wettest month with 118 mm (4.6 in), while February is the driest with 17 mm (0.7 in).
Hayward 3-Day Forecast
Hayward on the map
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Popular this month
Where to go in August - average daytime high across popular destinations.
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24°C (75°F) San Francisco22°C (72°F) 
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