Best year time to visit Wellesley

General weather information about Wellesley

Average annual temperature is 11.2 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -24.4 °C

Number of sunny days: 158 days

Number of rainy days: 195 days

Number of snow days: 12 days

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

Wellesley air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.915.615.730.229.932.533.029.534.028.118.815.7
Average daytime temperature (°C)6.16.18.416.221.324.028.726.123.119.09.38.0
Average temperature (°C)2.30.83.410.014.618.123.520.918.513.84.23.5
Average night temperature (°C)-1.0-4.0-0.95.38.613.519.316.714.89.80.40.3
Absolute minimum temperature (°C)-6.5-24.4-5.0-3.72.47.114.112.67.32.5-5.2-6.8

Wellesley 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)9.510.611.913.414.615.214.913.912.511.19.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.86.17.48.511.59.110.89.37.27.66.95.3
Precipitation (mm)1594613169711242092112037645166
Sunny days1012151620451011172117
Rainy days16131414112626211914714
Snow days532000000020

Wellesley - weather forecast by months

Wellesley weather in januaryWellesley weather in februaryWellesley weather in marchWellesley weather in aprilWellesley weather in mayWellesley weather in juneWellesley weather in julyWellesley weather in augustWellesley weather in septemberWellesley weather in octoberWellesley weather in novemberWellesley weather in december

Best time to visit Wellesley:

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

  • May — 11.5(h)
  • July — 10.8(h)

The largest precipitation sum in Wellesley is at

  • January — 159(mm)
  • July — 209(mm)
  • August — 211(mm)
  • September — 203(mm)
  • December — 166(mm)

    • Weather forecast in the closest to Wellesley admin centers

    Weather forecast in the closest towns to Wellesley

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    Frequently asked questions

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