Best year time to visit Sullivan

General weather information about Sullivan

Average annual temperature is 15.3 °C

Absolute maximum temperature: 37.0 °C

Absolute minimum temperature: -8.2 °C

Number of sunny days: 200 days

Number of rainy days: 164 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)18.923.425.128.131.235.936.237.031.930.326.318.6
Average daytime temperature (°C)10.413.314.820.825.430.031.430.128.021.515.011.3
Average temperature (°C)5.97.48.714.119.423.525.924.922.016.29.46.3
Average night temperature (°C)2.63.03.98.814.217.821.520.617.111.95.12.9
Absolute minimum temperature (°C)-6.1-8.2-5.32.26.413.217.215.112.5-0.3-3.6-5.5

Sullivan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.012.011.010.09.0
Daylight mean duration (h)9.910.812.013.214.214.714.513.612.411.210.29.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.27.37.610.111.312.411.510.510.57.98.26.4
Precipitation (mm)1186619487797613311211682260
Sunny days141515171717111518202417
Rainy days17121613141320161211614
Snow days010000000000

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:

  • June — 12.4(h)
  • July — 11.5(h)

The largest precipitation sum in Sullivan is at

  • January — 118(mm)
  • March — 194(mm)
  • July — 133(mm)
  • August — 112(mm)

    • Weather forecast in the closest to Sullivan admin centers

    Weather forecast in the closest towns to Sullivan

    Explore Sullivan

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    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.