Keystone weather in March 2025

Expect 7°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Keystone in March. Check more long-term weather averages for Keystone in March before you book your next holiday to South Dakota in 2025/2026.

  • 7°C maximum daytime temperature in March in Keystone7
    7°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Keystone9
    9 days with some rainfall
  • -7°C minimum night-time temperature in March in Keystone-7
    -7°C min night temperature
  • 12 hours of daylight per day in March in Keystone12
    12 hours of daylight per day
  • No heat & humidity in March in Keystone0
    No heat & humidity
  • 23 mm monthly rainfall in March in Keystone23
    23 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Keystone4
    4 (Moderate) UV index

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The March weather guide for South Dakota (Keystone) 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Keystone in March?

Daytime temperatures usually reach 7°C in Keystone in March, falling to -7°C at night.

How sunny is it in Keystone in March?

There are normally 8 hours of bright sunshine each day in Keystone in March - that's 63% of daylight hours.

Does it rain in Keystone in March?

There are usually 9 days with some rain in Keystone in March and the average monthly rainfall is 23mm. Rain may fall as snow in this month.

Keystone March sunrise & sunset times

Browse the sunrise and sunset times for Keystone in March 2025. Select a month to view Keystone sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:30 17:43
Sunday, 16th March 2025 06:03 18:02
Monday, 31st March 2025 05:36 18:20

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