Owatonna (MN) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Owatonna.

Climate overview of Owatonna

The climate in Owatonna, Minnesota, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to -5°C (23°F) in January.

Annual rain/snowfall is moderate at around 929 mm (37 in), with June being the wettest month. The city also has a distinct dry season from January to February, with warm summers and very cold winters. July is the sunniest month, averaging 11.4 hours of sunshine per day.

Owatonna Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Owatonna - and find the best time to visit.

Monthly Temperature in Owatonna

In Owatonna, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -5°C (23°F).

At night, temperatures range from around 17°C (63°F) in July to -15°C (5°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Owatonna

On average, Owatonna receives a reasonable amount of rain/snowfall, with an annual precipitation of 929 mm (37 in). Owatonna can be quite wet during June, receiving approximately 150 mm (5.9 in) of precipitation over 14 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 18 mm (0.7 in) of precipitation spread across 7 snowy days. For more details, please visit our Owatonna Precipitation page.

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

Sunshine Hours in Owatonna

Owatonna can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.9 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Albert Lea, the United States of America (49 KM, 30 Miles).

Daily hours of sunshine

Data from: Albert Lea, the United States of America (49 KM, 30 Miles).

Best Time to Visit Owatonna

The most comfortable overall weather for exploring Owatonna is usually found in May, June, July, August and September. Conditions are generally least comfortable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, June, July, August and September
  • Warmest weather: July and August
  • Most sunshine: July
  • Fewest rainy days: January, February and November
  • Wettest months: April, May, June, July, August and September, when rainfall is highest.
  • Seasonal pattern: A distinct dry season from January to February, with warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -15°C (5°F).

Frequently asked questions about the climate in Owatonna

What is the best time to visit Owatonna?

May, June, July, August and September typically offer the most optimal weather in Owatonna. In contrast, January, February, March, November and December tend to have less optimal conditions. Owatonna has a distinct dry season from January to February, with warm summers and very cold winters.

What temperatures can I expect in Owatonna?

Daytime highs range from -5°C (23°F) in January to 28°C (82°F) in July. Nighttime lows range from -15°C (5°F) to 17°C (63°F). Temperatures vary considerably through the year.

How much rain does Owatonna get?

Annual rainfall is around 929 mm (37 in). June is the wettest month with 150 mm (5.9 in), while January is the driest with 18 mm (0.7 in).

How sunny is Owatonna?

Owatonna receives around 2,620 hours of sunshine per year. July is the sunniest month with 342 hours, while December is the cloudiest with just 118 hours. Overall, Owatonna enjoys abundant sunshine.

Owatonna 3-Day Forecast

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