Best year time to visit Watertown

General weather information about Watertown

Average annual temperature is 8.8 °C

Absolute maximum temperature: 36.8 °C

Absolute minimum temperature: -27.2 °C

Number of sunny days: 197 days

Number of rainy days: 135 days

Number of snow days: 33 days

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* Weather data for Watertown United States is based on climate observations for 2026 year

Watertown air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.94.85.827.132.133.333.636.835.629.418.010.8
Average daytime temperature (°C)-3.6-1.71.610.923.228.928.128.325.214.47.64.3
Average temperature (°C)-7.2-7.2-3.45.416.822.922.322.519.810.32.70.3
Average night temperature (°C)-10.5-12.0-8.01.111.117.417.017.815.56.8-1.1-2.6
Absolute minimum temperature (°C)-24.3-27.2-16.2-10.71.010.013.512.17.4-5.1-13.4-10.3

Watertown monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.210.411.913.514.815.515.214.012.511.09.68.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.27.36.68.111.512.812.811.49.67.26.34.5
Precipitation (mm)5458781704074103731001101369
Sunny days211814111716171713142118
Rainy days5651614141414171587
Snow days5412300000216

Watertown - weather forecast by months

Watertown weather in januaryWatertown weather in februaryWatertown weather in marchWatertown weather in aprilWatertown weather in mayWatertown weather in juneWatertown weather in julyWatertown weather in augustWatertown weather in septemberWatertown weather in octoberWatertown weather in novemberWatertown weather in december

Best time to visit Watertown:

The best time to visit Watertown during the most sunny months:

  • May — 11.5(h)
  • June — 12.8(h)
  • July — 12.8(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Watertown:

  • June — 15.5(h)

The largest precipitation sum in Watertown is at

  • April — 170(mm)
  • July — 103(mm)
  • September — 100(mm)
  • October — 110(mm)

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    Frequently asked questions

    When is the best time to visit Watertown?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Watertown.
    What is the weather like in Watertown?
    See average temperature, rainfall and daylight hours for Watertown by month in the table above.
    How many sunny days does Watertown have?
    The monthly weather statistics above show sunshine and rainfall patterns for Watertown throughout the year.