ClimateForecastNovemberDecember >>

Mason City (IA) Climate by Month

The temperature in Mason City can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It maintains moderate precipitation patterns. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Mason City can expect significant temperature changes throughout the year. Typically, daytime temperatures range from a comfortable 28°C in July to a very cold -5°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -14°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Mason City experiences moderate precipitation patterns, averaging 920 mm yearly. The climate in Mason City shows significant variation throughout the year. Expect high rainfall in June, with an average of 145 mm of precipitation over 13 rainy days. In contrast, January offers drier and sunnier days, with around 18 mm of snowfall over 7 snowy days.

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

Sunshine over the year

For those who appreciate different seasons, Mason City serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.4 hours of sunshine daily, and embrace the darker days in December, offering only 3.9 hours of daily sunlight.

Monthly hours of sunshine

Data from: Albert Lea, the United States of America (56 KM, 35 Miles).

Daily hours of sunshine

Data from: Albert Lea, the United States of America (56 KM, 35 Miles).

The best time of year to visit Mason City 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 Mason City?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Mason City?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Mason City?
    The coldest month is January with an average maximum temperature of -5°C.
  • Which is the wettest month in Mason City?
    June tops the wettest month list with 145 mm of rainfall.
  • Which is the driest month in Mason City?
    January is the driest month with 18 mm of precipitation.
  • Which is the sunniest month in Mason City?
    July is the sunniest month with an average of 342 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 Mason City (IA)

    Fri   Nov 22
    1°C | -4°C
    NW 18 km/h
    overcast and no rain

    overcast and no rain

    Sat   Nov 23
    4°C | -4°C
    SE 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sun   Nov 24
    8°C | 0°C
    SE 18 km/h
    broken clouds and no rain

    broken clouds and no rain