Best year time to visit Boston Harbor

General weather information about Boston Harbor

Average annual temperature is 11.2 °C

Absolute maximum temperature: 36.4 °C

Absolute minimum temperature: -3.8 °C

Number of sunny days: 183 days

Number of rainy days: 181 days

Number of snow days: 1 day

Look at detailed online map of Boston Harbor

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

Boston Harbor air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.813.016.824.130.230.733.436.430.225.816.013.9
Average daytime temperature (°C)8.78.410.912.922.323.728.429.222.817.010.59.6
Average temperature (°C)5.34.35.57.815.015.919.520.615.511.46.76.5
Average night temperature (°C)3.01.81.94.49.610.512.314.410.97.64.14.2
Absolute minimum temperature (°C)-3.8-3.5-1.80.16.27.410.19.75.5-1.1-1.1-0.9

Boston Harbor monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.815.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.35.17.16.411.111.713.211.48.06.44.72.8
Precipitation (mm)116878915217347186883167229
Sunny days91196222326191619158
Rainy days211722249751214121523
Snow days100000000000

Best time to visit Boston Harbor:

The best time to visit Boston Harbor during the most sunny months:

  • May — 11.1(h)
  • June — 11.7(h)
  • July — 13.2(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Boston Harbor:

  • June — 15.8(h)
  • July — 15.5(h)

The largest precipitation sum in Boston Harbor is at

  • January — 116(mm)
  • April — 152(mm)
  • November — 167(mm)
  • December — 229(mm)
  • Frequently asked questions

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