Best year time to visit Ronkonkoma

General weather information about Ronkonkoma

Average annual temperature is 12.7 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -16.6 °C

Number of sunny days: 166 days

Number of rainy days: 193 days

Number of snow days: 6 days

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

Ronkonkoma air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.619.815.327.426.627.031.430.933.826.518.615.8
Average daytime temperature (°C)8.37.59.516.219.623.428.226.623.919.011.19.2
Average temperature (°C)4.83.45.111.514.718.824.122.419.814.56.75.4
Average night temperature (°C)1.5-0.51.47.710.115.020.618.816.510.92.82.2
Absolute minimum temperature (°C)-2.3-16.6-3.00.14.89.616.715.811.56.2-3.8-4.3

Ronkonkoma 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)4.76.57.48.312.211.311.510.48.08.07.35.5
Precipitation (mm)1405413311658971801802539048195
Sunny days91414112210111113141819
Rainy days20121619920202017171112
Snow days221000000010

Ronkonkoma - weather forecast by months

Ronkonkoma weather in januaryRonkonkoma weather in februaryRonkonkoma weather in marchRonkonkoma weather in aprilRonkonkoma weather in mayRonkonkoma weather in juneRonkonkoma weather in julyRonkonkoma weather in augustRonkonkoma weather in septemberRonkonkoma weather in octoberRonkonkoma weather in novemberRonkonkoma weather in december

Best time to visit Ronkonkoma:

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

  • May — 12.2(h)
  • June — 11.3(h)
  • July — 11.5(h)

The largest precipitation sum in Ronkonkoma is at

  • July — 180(mm)
  • August — 180(mm)
  • September — 253(mm)
  • December — 195(mm)

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    Frequently asked questions

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