Best year time to visit Westborough

General weather information about Westborough

Average annual temperature is 15.7 °C

Absolute maximum temperature: 37.1 °C

Absolute minimum temperature: -5.4 °C

Number of sunny days: 174 days

Number of rainy days: 191 days

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

Westborough air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.624.424.028.629.133.036.137.132.929.126.319.2
Average daytime temperature (°C)11.715.016.320.725.628.831.730.328.522.817.212.2
Average temperature (°C)6.99.510.014.419.022.325.724.721.916.610.56.7
Average night temperature (°C)3.55.35.18.913.617.020.720.216.811.35.42.6
Absolute minimum temperature (°C)-4.6-5.4-5.13.04.511.615.415.212.95.4-3.8-4.4

Westborough monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)4.85.98.49.310.510.911.410.210.98.67.56.6
Precipitation (mm)1301111259077956016426164994
Sunny days131120159861318212119
Rainy days18171115222225181210912
Snow days000000000000

Westborough - weather forecast by months

Westborough weather in januaryWestborough weather in februaryWestborough weather in marchWestborough weather in aprilWestborough weather in mayWestborough weather in juneWestborough weather in julyWestborough weather in augustWestborough weather in septemberWestborough weather in octoberWestborough weather in novemberWestborough weather in december

Best time to visit Westborough:

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

  • July — 11.4(h)

The largest precipitation sum in Westborough is at

  • January — 130(mm)
  • February — 111(mm)
  • March — 125(mm)
  • August — 164(mm)

    • Weather forecast in the closest to Westborough admin centers

    Weather forecast in the closest towns to Westborough

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    Frequently asked questions

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