Best year time to visit Old Stonington

General weather information about Old Stonington

Average annual temperature is 13.4 °C

Absolute maximum temperature: 36.1 °C

Absolute minimum temperature: -13.1 °C

Number of sunny days: 195 days

Number of rainy days: 162 days

Number of snow days: 8 days

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

Old Stonington air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.218.422.427.830.533.035.336.132.229.525.216.7
Average daytime temperature (°C)6.79.811.419.424.929.029.528.426.419.412.88.8
Average temperature (°C)2.13.65.612.318.622.924.423.420.814.37.34.6
Average night temperature (°C)-1.0-0.91.16.612.516.819.719.115.910.22.71.8
Absolute minimum temperature (°C)-12.7-13.1-8.5-1.74.011.015.612.310.6-2.4-8.5-7.3

Old Stonington monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.712.013.314.414.914.713.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.57.56.79.911.112.712.610.210.37.67.75.0
Precipitation (mm)657011887544992116801061869
Sunny days121611201921121019172414
Rainy days1212191012919211114617
Snow days701000000000

Old Stonington - weather forecast by months

Old Stonington weather in januaryOld Stonington weather in februaryOld Stonington weather in marchOld Stonington weather in aprilOld Stonington weather in mayOld Stonington weather in juneOld Stonington weather in julyOld Stonington weather in augustOld Stonington weather in septemberOld Stonington weather in octoberOld Stonington weather in novemberOld Stonington weather in december

Best time to visit Old Stonington:

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

  • May — 11.1(h)
  • June — 12.7(h)
  • July — 12.6(h)

The largest precipitation sum in Old Stonington is at

  • March — 118(mm)
  • August — 116(mm)
  • October — 106(mm)

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    Frequently asked questions

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