Portage (MI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Portage.
Climate overview of Portage
The climate in Portage, Michigan, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to 0°C (32°F) in January.
The city receives considerable rain/snowfall, with around 1033 mm (41 in) annually. August is the wettest month. It has warm summers and very cold winters. July is the sunniest month, averaging 11.0 hours of sunshine per day.
Portage Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portage - and find the best time to visit.
Monthly Temperature in Portage
In Portage, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold 0°C (32°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -9°C (16°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Portage
Portage experiences significant rain/snowfall throughout the year, averaging 1033 mm (41 in) of precipitation annually. Portage offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month August (107 mm (4.2 in)) and the driest month March (59 mm (2.3 in)) is not too significant. For more details, please visit our Portage 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 Portage
For those who appreciate different seasons, Portage serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.0 hours of sunshine daily, and embrace the darker days in December, offering only 3.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Portage
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Portage
What is the best time to visit Portage?
July and September typically offer the most optimal weather in Portage. In contrast, January, February, March, November and December tend to have less optimal conditions. Portage has warm summers and very cold winters.
What temperatures can I expect in Portage?
Daytime highs range from 0°C (32°F) in January to 28°C (82°F) in July. Nighttime lows range from -9°C (16°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Portage get?
Annual rainfall is around 1033 mm (41 in). August is the wettest month with 107 mm (4.2 in), while March is the driest with 59 mm (2.3 in).
How sunny is Portage?
Portage receives around 2,609 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 117 hours. Overall, Portage enjoys abundant sunshine.
Portage 3-Day Forecast
Portage (MI) 3-Day Forecast
Portage on the map
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