Best year time to visit South Union

General weather information about South Union

Average annual temperature is 8.9 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -29.3 °C

Number of sunny days: 161 days

Number of rainy days: 175 days

Number of snow days: 29 days

Look at detailed online map of South Union

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

South Union air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.912.111.424.529.231.730.626.830.726.914.313.8
Average daytime temperature (°C)3.21.75.411.918.620.726.123.322.716.96.94.7
Average temperature (°C)-0.8-3.91.06.812.615.621.719.217.712.52.50.8
Average night temperature (°C)-4.6-9.3-3.32.77.511.918.315.613.88.9-0.9-2.5
Absolute minimum temperature (°C)-11.8-29.3-10.7-4.51.66.013.711.47.80.4-6.4-11.1

South Union monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.514.815.415.114.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.26.76.97.711.67.18.99.48.66.26.74.5
Precipitation (mm)179367411612818815016110820356154
Sunny days101314142166917122217
Rainy days1341015102425221319812
Snow days8117100000002

South Union - weather forecast by months

South Union weather in januarySouth Union weather in februarySouth Union weather in marchSouth Union weather in aprilSouth Union weather in maySouth Union weather in juneSouth Union weather in julySouth Union weather in augustSouth Union weather in septemberSouth Union weather in octoberSouth Union weather in novemberSouth Union weather in december

Best time to visit South Union:

The best time to visit South Union during the most sunny months:

  • May — 11.6(h)
  • August — 9.4(h)

Months with the longest average daylight duration in South Union:

  • June — 15.4(h)

The largest precipitation sum in South Union is at

  • January — 179(mm)
  • June — 188(mm)
  • October — 203(mm)

    • Weather forecast in the closest to South Union admin centers

    Weather forecast in the closest towns to South Union

    Explore South Union

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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