Best year time to visit Holtsville

General weather information about Holtsville

Average annual temperature is 16.9 °C

Absolute maximum temperature: 38.0 °C

Absolute minimum temperature: -4.6 °C

Number of sunny days: 181 days

Number of rainy days: 184 days

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

Holtsville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)21.025.826.028.931.836.735.838.033.631.526.319.8
Average daytime temperature (°C)13.216.117.521.326.531.232.431.729.724.517.213.7
Average temperature (°C)8.510.111.615.120.424.326.426.023.118.211.18.0
Average night temperature (°C)4.86.17.010.215.318.921.721.617.913.46.64.0
Absolute minimum temperature (°C)-3.2-4.4-4.64.47.214.417.016.213.20.7-1.3-3.1

Holtsville 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)10.110.912.013.114.014.514.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)5.56.08.18.711.012.111.09.910.78.47.66.8
Precipitation (mm)16091139115685911811331207073
Sunny days14121713101491614222218
Rainy days1716141721162215169813
Snow days000000000000

Holtsville - weather forecast by months

Holtsville weather in januaryHoltsville weather in februaryHoltsville weather in marchHoltsville weather in aprilHoltsville weather in mayHoltsville weather in juneHoltsville weather in julyHoltsville weather in augustHoltsville weather in septemberHoltsville weather in octoberHoltsville weather in novemberHoltsville weather in december

Best time to visit Holtsville:

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

  • June — 12.1(h)

The largest precipitation sum in Holtsville is at

  • January — 160(mm)
  • March — 139(mm)
  • April — 115(mm)
  • July — 118(mm)
  • August — 113(mm)

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    Frequently asked questions

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