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Winona (MN) Climate by Month

The temperature in Winona can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It receives a reasonable amount of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Winona can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C in July. In January, the coolest month of the year, temperatures drop to a very cold -4°C. At night, expect cooler temperatures, averaging -13°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Winona experiences moderate precipitation patterns, averaging 926 mm yearly. Winona can be quite wet during August, receiving approximately 137 mm of precipitation over 11 rainy days. In contrast January, experiences much drier conditions, with 23 mm of snowfall, spread across 8 snowy days.

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

The best time of year to visit Winona 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 Winona?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Winona?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Winona?
    The coldest month is January with an average maximum temperature of -4°C.
  • Which is the wettest month in Winona?
    August tops the wettest month list with 137 mm of rainfall.
  • Which is the driest month in Winona?
    January is the driest month with 23 mm of precipitation.

  • 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 Winona (MN)

    Fri   Nov 22
    5°C | -1°C
    NW 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sat   Nov 23
    5°C | -1°C
    SW 7 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    7°C | 0°C
    SE 11 km/h
    overcast and no rain

    overcast and no rain