Best year time to visit South Weymouth

General weather information about South Weymouth

Average annual temperature is 11.3 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: -24.2 °C

Number of sunny days: 159 days

Number of rainy days: 198 days

Number of snow days: 8 days

Look at detailed online map of South Weymouth

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

South Weymouth air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.916.515.230.228.733.134.029.834.926.918.716.0
Average daytime temperature (°C)6.56.28.316.121.023.629.226.123.118.89.57.8
Average temperature (°C)2.61.13.510.114.317.823.620.918.613.74.53.7
Average night temperature (°C)-0.8-3.2-0.55.58.913.519.416.815.210.00.60.5
Absolute minimum temperature (°C)-5.9-24.2-4.3-2.22.98.314.212.99.33.1-4.8-7.0

South Weymouth 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)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.86.17.18.411.69.310.79.17.37.76.85.1
Precipitation (mm)1825013153821471461241798536194
Sunny days813141620651313162015
Rainy days19131714112426181715915
Snow days420000000011

South Weymouth - weather forecast by months

South Weymouth weather in januarySouth Weymouth weather in februarySouth Weymouth weather in marchSouth Weymouth weather in aprilSouth Weymouth weather in maySouth Weymouth weather in juneSouth Weymouth weather in julySouth Weymouth weather in augustSouth Weymouth weather in septemberSouth Weymouth weather in octoberSouth Weymouth weather in novemberSouth Weymouth weather in december

Best time to visit South Weymouth:

The best time to visit South Weymouth during the most sunny months:

  • May — 11.6(h)
  • July — 10.7(h)

The largest precipitation sum in South Weymouth is at

  • January — 182(mm)
  • September — 179(mm)
  • December — 194(mm)

    • Weather forecast in the closest to South Weymouth admin centers

    Weather forecast in the closest towns to South Weymouth

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    Frequently asked questions

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