Best year time to visit Stonington

General weather information about Stonington

Average annual temperature is 11.9 °C

Absolute maximum temperature: 30.5 °C

Absolute minimum temperature: -21.0 °C

Number of sunny days: 168 days

Number of rainy days: 193 days

Number of snow days: 4 days

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

Stonington air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.518.112.525.425.624.929.527.630.525.317.015.2
Average daytime temperature (°C)7.56.68.314.318.621.826.525.022.418.410.48.7
Average temperature (°C)4.22.64.410.414.117.822.921.318.814.36.35.3
Average night temperature (°C)1.3-1.50.76.79.514.119.717.915.811.12.42.3
Absolute minimum temperature (°C)-3.8-21.0-3.3-0.93.77.715.413.99.86.0-3.9-6.0

Stonington 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)9.610.611.913.314.515.114.813.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.16.67.68.812.010.911.210.17.78.27.25.6
Precipitation (mm)1635511189791051381222486935175
Sunny days913151621119913142216
Rainy days20131614101922221717815
Snow days220000000000

Stonington - weather forecast by months

Stonington weather in januaryStonington weather in februaryStonington weather in marchStonington weather in aprilStonington weather in mayStonington weather in juneStonington weather in julyStonington weather in augustStonington weather in septemberStonington weather in octoberStonington weather in novemberStonington weather in december

Best time to visit Stonington:

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

  • May — 12.0(h)
  • June — 10.9(h)
  • July — 11.2(h)

The largest precipitation sum in Stonington is at

  • January — 163(mm)
  • September — 248(mm)
  • December — 175(mm)

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    Frequently asked questions

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