Best year time to visit Riverhead

General weather information about Riverhead

Average annual temperature is 13.1 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -17.4 °C

Number of sunny days: 169 days

Number of rainy days: 190 days

Number of snow days: 6 days

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

Riverhead air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.520.315.229.427.628.731.930.533.826.618.818.1
Average daytime temperature (°C)8.47.49.516.619.924.029.027.024.019.411.59.4
Average temperature (°C)5.13.55.311.814.919.224.622.820.215.17.46.0
Average night temperature (°C)2.0-0.51.77.910.415.521.019.417.411.84.03.1
Absolute minimum temperature (°C)-2.8-17.4-2.2-0.95.79.717.516.512.87.9-1.8-3.8

Riverhead 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)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.66.77.68.612.311.611.710.47.88.37.35.7
Precipitation (mm)1475012311372671202142585044187
Sunny days81515132311101015141718
Rainy days21111517819212115171213
Snow days221000000010

Riverhead - weather forecast by months

Riverhead weather in januaryRiverhead weather in februaryRiverhead weather in marchRiverhead weather in aprilRiverhead weather in mayRiverhead weather in juneRiverhead weather in julyRiverhead weather in augustRiverhead weather in septemberRiverhead weather in octoberRiverhead weather in novemberRiverhead weather in december

Best time to visit Riverhead:

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

  • May — 12.3(h)
  • June — 11.6(h)
  • July — 11.7(h)

The largest precipitation sum in Riverhead is at

  • August — 214(mm)
  • September — 258(mm)
  • December — 187(mm)

    • Weather forecast in the closest to Riverhead admin centers

    Weather forecast in the closest towns to Riverhead

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    Frequently asked questions

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