Sister Bay (WI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sister Bay.
Climate overview of Sister Bay
The climate in Sister Bay, Wisconsin, United States of America, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to -3°C (27°F) in February.
With around 760 mm (30 in) of annual rain/snowfall, the city has moderate precipitation levels. October is the wettest month and February the driest. It also has a distinct dry season from January to March.
Sister Bay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sister Bay — and find the best time to visit.
Monthly Temperature in Sister Bay
In Sister Bay, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold -3°C (27°F) in the coolest month, February.
Nights vary from 15°C (59°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 Sister Bay
On average, Sister Bay receives a reasonable amount of rain/snowfall, with an annual precipitation of 760 mm (30 in). The climate in Sister Bay shows significant variation throughout the year. Expect moderate rainfall in October, the wettest month, with an average of 96 mm (3.8 in) of precipitation over 13 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 27 mm (1.1 in) of snowfall over 7 snowy days. For more details, please visit our Sister Bay 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 Sister Bay
Frequently asked questions about the climate in Sister Bay
What is the best time to visit Sister Bay?
June, July, August and September typically offer the most optimal weather in Sister Bay. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Sister Bay has a distinct dry season from January to March.
What temperatures can I expect in Sister Bay?
Daytime highs range from -3°C (27°F) in February to 26°C (79°F) in July. Nighttime lows range from -12°C (10°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Sister Bay get?
Annual rainfall is around 760 mm (30 in). October is the wettest month with 96 mm (3.8 in), while February is the driest with 27 mm (1.1 in).
Sister Bay 3-Day Forecast
Sister Bay (WI) 3-Day Forecast
Sister Bay on the map
Sister Bay is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.