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Watertown (SD) Climate by Month

Watertown experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. 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

The climate in Watertown is known for significant temperature differences throughout the year, making the weather dynamic. 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 -16°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Watertown receives mid-range precipitation levels, with 577 mm annually. The climate in Watertown shows significant variation throughout the year. Expect moderate rainfall in June, with an average of 92 mm of precipitation over 11 rainy days. In contrast, November offers drier and sunnier days, with around 9.6 mm of snow/rainfall over 4 snowy/rainy days.

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

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.

    Forecast for Watertown (SD)

    Fri   Nov 22
    3°C | -9°C
    NW 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Nov 23
    1°C | -5°C
    E 18 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    2°C | -5°C
    N 18 km/h
    3.9 mm
    overcast and no rain

    overcast and no rain