Best year time to visit Johnson Island

General weather information about Johnson Island

Average annual temperature is 15.2 °C

Absolute maximum temperature: 36.0 °C

Absolute minimum temperature: -7.6 °C

Number of sunny days: 199 days

Number of rainy days: 166 days

Look at detailed online map of Johnson Island

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

Johnson Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.523.425.328.029.734.435.936.031.930.025.817.7
Average daytime temperature (°C)10.613.614.620.825.129.431.029.927.721.515.211.3
Average temperature (°C)6.07.58.614.019.223.125.824.721.916.29.36.2
Average night temperature (°C)2.63.13.88.413.917.421.220.216.911.94.92.7
Absolute minimum temperature (°C)-5.1-7.6-6.91.75.612.016.615.011.4-1.3-4.8-6.6

Johnson Island 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)5.27.47.69.811.212.211.610.510.87.98.16.4
Precipitation (mm)12370182105865010918012652867
Sunny days16161517161791419192417
Rainy days15121613151322171112614
Snow days000000000000

Johnson Island - weather forecast by months

Johnson Island weather in januaryJohnson Island weather in februaryJohnson Island weather in marchJohnson Island weather in aprilJohnson Island weather in mayJohnson Island weather in juneJohnson Island weather in julyJohnson Island weather in augustJohnson Island weather in septemberJohnson Island weather in octoberJohnson Island weather in novemberJohnson Island weather in december

Best time to visit Johnson Island:

The best time to visit Johnson Island during the most sunny months:

  • June — 12.2(h)
  • July — 11.6(h)

The largest precipitation sum in Johnson Island is at

  • January — 123(mm)
  • March — 182(mm)
  • August — 180(mm)

    • Weather forecast in the closest to Johnson Island admin centers

    Weather forecast in the closest towns to Johnson Island

    Explore Johnson Island

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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