Best year time to visit Westford

General weather information about Westford

Average annual temperature is 8.7 °C

Absolute maximum temperature: 30.0 °C

Absolute minimum temperature: -29.6 °C

Number of sunny days: 106 days

Number of rainy days: 216 days

Number of snow days: 43 days

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

Westford air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.413.812.526.728.230.029.226.229.028.014.910.8
Average daytime temperature (°C)2.93.84.715.118.721.825.922.920.415.56.24.9
Average temperature (°C)-0.4-2.0-0.48.612.216.720.818.215.911.11.81.4
Average night temperature (°C)-3.8-6.9-4.33.56.412.616.814.612.57.4-1.6-1.1
Absolute minimum temperature (°C)-11.9-29.6-10.1-5.7-1.07.311.89.57.30.0-7.2-8.7

Westford 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)9.510.611.913.414.615.315.013.912.511.19.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.05.66.08.712.110.111.39.88.36.56.03.0
Precipitation (mm)96681139053126239197785872150
Sunny days5861019647131198
Rainy days161013201224272417201716
Snow days101012000000047

Westford - weather forecast by months

Westford weather in januaryWestford weather in februaryWestford weather in marchWestford weather in aprilWestford weather in mayWestford weather in juneWestford weather in julyWestford weather in augustWestford weather in septemberWestford weather in octoberWestford weather in novemberWestford weather in december

Best time to visit Westford:

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

  • May — 12.1(h)
  • June — 10.1(h)
  • July — 11.3(h)
  • August — 9.8(h)

Months with the longest average daylight duration in Westford:

  • June — 15.3(h)

The largest precipitation sum in Westford is at

  • July — 239(mm)
  • August — 197(mm)
  • December — 150(mm)

    • Weather forecast in the closest to Westford admin centers

    Weather forecast in the closest towns to Westford

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    Frequently asked questions

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