Best year time to visit Sullivan

General weather information about Sullivan

Average annual temperature is 13.9 °C

Absolute maximum temperature: 35.9 °C

Absolute minimum temperature: -11.8 °C

Number of sunny days: 192 days

Number of rainy days: 172 days

Number of snow days: 1 day

Look at detailed online map of Sullivan

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

Sullivan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.620.822.027.330.934.535.934.931.829.624.816.3
Average daytime temperature (°C)7.311.012.219.624.929.130.729.026.820.113.59.3
Average temperature (°C)3.35.06.412.618.622.825.223.921.114.97.85.0
Average night temperature (°C)0.30.71.97.112.717.420.219.316.210.63.42.0
Absolute minimum temperature (°C)-11.8-10.8-6.80.24.412.116.514.111.6-2.7-7.2-7.0

Sullivan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.914.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.27.46.89.411.312.212.410.810.57.58.05.1
Precipitation (mm)119872158029679811937752651
Sunny days13181618171881318182213
Rainy days17101512141223181213818
Snow days100000000000

Sullivan - weather forecast by months

Sullivan weather in januarySullivan weather in februarySullivan weather in marchSullivan weather in aprilSullivan weather in maySullivan weather in juneSullivan weather in julySullivan weather in augustSullivan weather in septemberSullivan weather in octoberSullivan weather in novemberSullivan weather in december

Best time to visit Sullivan:

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

  • May — 11.3(h)
  • June — 12.2(h)
  • July — 12.4(h)

The largest precipitation sum in Sullivan is at

  • January — 119(mm)
  • March — 215(mm)
  • August — 119(mm)

    • Weather forecast in the closest to Sullivan admin centers

    Weather forecast in the closest towns to Sullivan

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    Frequently asked questions

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