Best year time to visit Old Westbury

General weather information about Old Westbury

Average annual temperature is 12.8 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -16.7 °C

Number of sunny days: 171 days

Number of rainy days: 190 days

Number of snow days: 4 days

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

Old Westbury air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.320.315.129.828.430.932.630.733.927.819.316.4
Average daytime temperature (°C)8.37.89.917.520.724.928.926.924.019.311.09.1
Average temperature (°C)4.73.45.212.215.219.424.222.619.814.76.75.3
Average night temperature (°C)1.6-0.51.38.010.415.320.518.816.511.23.02.2
Absolute minimum temperature (°C)-3.2-16.7-3.20.45.59.816.615.811.86.6-3.9-4.7

Old Westbury monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.014.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.86.67.48.512.310.911.610.77.67.67.35.2
Precipitation (mm)16348131108451021671502599351187
Sunny days1316141622971111152017
Rainy days1810161492124201916914
Snow days021000000010

Old Westbury - weather forecast by months

Old Westbury weather in januaryOld Westbury weather in februaryOld Westbury weather in marchOld Westbury weather in aprilOld Westbury weather in mayOld Westbury weather in juneOld Westbury weather in julyOld Westbury weather in augustOld Westbury weather in septemberOld Westbury weather in octoberOld Westbury weather in novemberOld Westbury weather in december

Best time to visit Old Westbury:

The best time to visit Old Westbury during the most sunny months:

  • May — 12.3(h)
  • June — 10.9(h)
  • July — 11.6(h)
  • August — 10.7(h)

The largest precipitation sum in Old Westbury is at

  • January — 163(mm)
  • July — 167(mm)
  • September — 259(mm)
  • December — 187(mm)

    • Weather forecast in the closest to Old Westbury admin centers

    Weather forecast in the closest towns to Old Westbury

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    Frequently asked questions

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