Best year time to visit South Lyme

General weather information about South Lyme

Average annual temperature is 12.1 °C

Absolute maximum temperature: 31.0 °C

Absolute minimum temperature: -20.1 °C

Number of sunny days: 170 days

Number of rainy days: 191 days

Number of snow days: 4 days

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

South Lyme air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.917.712.523.824.724.729.727.831.024.017.316.0
Average daytime temperature (°C)7.36.58.314.018.521.826.725.122.718.210.68.5
Average temperature (°C)4.32.64.610.414.217.923.221.719.114.56.55.4
Average night temperature (°C)1.5-1.21.06.89.814.220.118.416.011.52.92.6
Absolute minimum temperature (°C)-3.2-20.1-3.0-0.44.78.116.014.410.06.3-2.9-5.5

South Lyme monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.26.67.58.712.311.011.410.17.78.17.25.6
Precipitation (mm)1594910610681661541592356848196
Sunny days914141722791113132219
Rainy days2012171392322201718812
Snow days220000000000

South Lyme - weather forecast by months

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

Best time to visit South Lyme:

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

  • May — 12.3(h)
  • June — 11.0(h)
  • July — 11.4(h)

The largest precipitation sum in South Lyme is at

  • January — 159(mm)
  • July — 154(mm)
  • August — 159(mm)
  • September — 235(mm)
  • December — 196(mm)

    • Weather forecast in the closest to South Lyme admin centers

    Weather forecast in the closest towns to South Lyme

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    Frequently asked questions

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