Custer weather in March 2026

Expect daytime maximum temperatures of 7°C in Custer, South Dakota in March based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall, which might fall as snow.

  • 7°C maximum daytime temperature in March in Custer7
    7°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in March in Custer10
    10 days with some rainfall
  • -7°C minimum night-time temperature in March in Custer-7
    -7°C min night temperature
  • 12 hours of daylight per day in March in Custer12
    12 hours of daylight per day
  • No heat & humidity in March in Custer0
    No heat & humidity
  • 23 mm monthly rainfall in March in Custer23
    23 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Custer4
    4 (Moderate) UV index

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The March weather guide for South Dakota (Custer) 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 Custer in March?

Daytime temperatures usually reach 6°C in Custer in March, falling to -5°C at night.

How sunny is it in Custer in March?

There are normally 7 hours of bright sunshine each day in Custer in March - that's 59% of daylight hours.

Does it rain in Custer in March?

There are usually 9 days with some rain in Custer in March and the average monthly rainfall is 41mm. Rain may fall as snow in this month.

Custer March sunrise & sunset times

Browse the sunrise and sunset times for Custer in March 2026. Select a month to view Custer sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 06:31 17:43
Monday, 16th March 2026 06:05 18:02
Tuesday, 31st March 2026 05:37 18:20

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