South Dakota weather in April 2025

Expect 59°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in South Dakota in April. Check more long-term weather averages for South Dakota in April before you book your next holiday to South Dakota in 2025/2026.

  • 59°F maximum daytime temperature in April in South Dakota (Sioux Falls)59
    59°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in April in South Dakota (Sioux Falls)10
    10 days with some rainfall
  • 34°F minimum night-time temperature in April in South Dakota (Sioux Falls)34
    34°F min night temperature
  • 13 hours of daylight per day in April in South Dakota (Sioux Falls)13
    13 hours of daylight per day
  • No heat & humidity in April in South Dakota (Sioux Falls)0
    No heat & humidity
  • 2.5 inches monthly rainfall in April in South Dakota (Sioux Falls)2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in South Dakota (Sioux Falls)5
    5 (Moderate) UV index

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The April weather guide for South Dakota (Sioux Falls) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top South Dakota destinations

Below are average maximum temperatures at popular countries, regions and places in South Dakota in April. Select a holiday destination to see more weather parameters.

All South Dakota destinations

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How warm is it in South Dakota in April?

Daytime temperatures usually reach 59°F in Sioux Falls, South Dakota in April, falling to 34°F at night.

How sunny is it in South Dakota in April?

There are normally 8 hours of bright sunshine each day in Sioux Falls, South Dakota in April - that's 59% of daylight hours.

Does it rain in South Dakota in April?

There are usually 10 days with some rain in Sioux Falls, South Dakota in April and the average monthly rainfall is 2.5 inches.

South Dakota April sunrise & sunset times

Browse the sunrise and sunset times for South Dakota in April 2025. Select a month to view South Dakota sunrise and sunset times for the next 12 months. The South Dakota sunrise and sunset times shown below are for Sioux Falls.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:08 18:54
Tuesday, 15th April 2025 05:44 19:11
Wednesday, 30th April 2025 05:20 19:28

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