ClimateForecastDecemberJanuary >>

Portage (WI) Climate by Month

Portage experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It maintains moderate precipitation patterns. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Portage is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 28°C in July to a very cold -3°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to -13°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Portage receives mid-range precipitation levels, with 997 mm annually. The climate in Portage shows significant variation throughout the year. Expect high rainfall in June, with an average of 158 mm of precipitation over 12 rainy days.

In contrast, January offers drier and sunnier days, with around 30 mm of snowfall over 8 snowy days.

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

Sunshine over the year

For those who appreciate different seasons, Portage 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.

Monthly hours of sunshine

Data from: Madison, the United States of America (52 KM, 32 Miles).

Daily hours of sunshine

Data from: Madison, the United States of America (52 KM, 32 Miles).

The best time of year to visit Portage in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Portage?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Portage?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Portage?
    The coldest month is February with an average maximum temperature of -3°C.
  • Which is the wettest month in Portage?
    June tops the wettest month list with 158 mm of rainfall.
  • Which is the driest month in Portage?
    January is the driest month with 30 mm of precipitation.
  • Which is the sunniest month in Portage?
    July is the sunniest month with an average of 308 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Portage (WI)

    Sun   Dec 15
    5°C | 1°C
    S 11 km/h
    overcast and no rain

    overcast and no rain

    Mon   Dec 16
    5°C | -1°C
    W 18 km/h
    broken clouds and no rain

    broken clouds and no rain

    Tue   Dec 17
    2°C | -3°C
    W 14 km/h
    1.2 mm
    broken clouds and small chance of slight rain

    broken clouds and small chance of slight rain