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Watertown (SD) Climate by Month

The graphs below provide an overview of the climate in Watertown (South Dakota), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for Watertown (SD)

Thu   Nov 14
10°C | 0°C
S 14 km/h
partly cloudy and no rain

partly cloudy and no rain

Fri   Nov 15
13°C | -1°C
E 18 km/h
broken clouds and no rain

broken clouds and no rain

Sat   Nov 16
10°C | 3°C
S 22 km/h
almost clear and no rain

almost clear and no rain

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

During the months of 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:

  • Does Watertown have a dry season?
    Yes, the months of January and November are very dry.
  • When is winter in Watertown?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Watertown?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Watertown?
    The coldest month is January with an average maximum temperature of -5°C.
  • Which is the wettest month in Watertown?
    June tops the wettest month list with 92 mm of rainfall.
  • Which is the driest month in Watertown?
    November is the driest month with 10 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.