Best year time to visit Dorchester

General weather information about Dorchester

Average annual temperature is 10.5 °C

Absolute maximum temperature: 38.3 °C

Absolute minimum temperature: -25.8 °C

Number of sunny days: 187 days

Number of rainy days: 146 days

Number of snow days: 32 days

Look at detailed online map of Dorchester

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

Dorchester air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.59.816.126.531.633.034.338.334.830.217.512.0
Average daytime temperature (°C)-0.23.06.515.123.828.328.528.625.316.18.85.6
Average temperature (°C)-4.2-2.81.18.816.922.222.723.119.811.84.01.5
Average night temperature (°C)-7.4-7.0-3.13.910.616.417.418.315.58.20.4-1.0
Absolute minimum temperature (°C)-25.8-24.2-16.3-5.21.78.311.212.19.6-4.8-12.8-7.4

Dorchester 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)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.16.76.98.811.812.612.311.49.57.06.94.2
Precipitation (mm)474668705840725512578832
Sunny days16161018211411168142518
Rainy days76141110162015221447
Snow days867100000316

Dorchester - weather forecast by months

Dorchester weather in januaryDorchester weather in februaryDorchester weather in marchDorchester weather in aprilDorchester weather in mayDorchester weather in juneDorchester weather in julyDorchester weather in augustDorchester weather in septemberDorchester weather in octoberDorchester weather in novemberDorchester weather in december

Best time to visit Dorchester:

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

  • May — 11.8(h)
  • June — 12.6(h)
  • July — 12.3(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Dorchester:

  • June — 15.4(h)

The largest precipitation sum in Dorchester is at

  • September — 125(mm)
  • October — 78(mm)

    • Weather forecast in the closest to Dorchester admin centers

    Weather forecast in the closest towns to Dorchester

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    Frequently asked questions

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