Hermann (MO) Weather & Climate: Best Time to Visit

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

Climate overview of Hermann

Hermann, Missouri, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and January dropping to 5°C (41°F).

With around 1167 mm (46 in) of annual rain/snowfall, Hermann has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has very warm summers and cold winters. The wettest month is April.

Hermann Weather by Month

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

Monthly Temperature in Hermann

Visitors to Hermann can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).

At night, temperatures range from around 19°C (66°F) in July to -7°C (19°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Hermann

Hermann is known for its substantial rain/snowfall, with annual precipitation reaching 1167 mm (46 in). Hermann can be quite wet during April, receiving approximately 131 mm (5.2 in) of precipitation over 12 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 40 mm (1.6 in) of precipitation spread across 6 snowy/rainy days. For more details, please visit our Hermann Precipitation page.

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

Best Time to Visit Hermann

Conditions in Hermann are generally most comfortable in October. They are typically least comfortable in January, February 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: October
  • Warmest weather: July and August
  • Fewer rainy days: January, February, August, October and November
  • Seasonal pattern: Very warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -7°C (19°F).

Frequently asked questions about the climate in Hermann

What is the best time to visit Hermann?

October typically offers the most optimal weather in Hermann. In contrast, January, February and December tend to have less optimal conditions. Hermann has very warm summers and cold winters.

What temperatures can I expect in Hermann?

Daytime highs range from 5°C (41°F) in January to 31°C (88°F) in July. Nighttime lows range from -7°C (19°F) to 19°C (66°F). Temperatures vary considerably through the year.

How much rain does Hermann get?

Annual rainfall is around 1167 mm (46 in). April is the wettest month with 131 mm (5.2 in), while January is the driest with 40 mm (1.6 in).

Hermann 3-Day Forecast

Hermann on the map

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