Keystone weather in December 2024

Expect 36°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Keystone in December. Check more long-term weather averages for Keystone in December before you book your next holiday to South Dakota in 2024/2025.

  • 36°F maximum daytime temperature in December in Keystone36
    36°F max day temperature
  • 5 hours of sunshine per day
  • 7 days with some rainfall in December in Keystone7
    7 days with some rainfall
  • 12°F minimum night-time temperature in December in Keystone12
    12°F min night temperature
  • 9 hours of daylight per day in December in Keystone9
    9 hours of daylight per day
  • No heat & humidity in December in Keystone0
    No heat & humidity
  • 0.4 inches monthly rainfall in December in Keystone0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Keystone1
    1 (Low) UV index

More about Keystone

Keystone by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

Skyscanner: Lowest flight prices by destination

  • Explore lowest airfares by destinations worldwide
  • Find the cheapest month or filter by route or month
  • Prices shown found on Skyscanner in last 8 days
Go to Skyscanner deal >>

View all Skyscanner offers

The December 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)  |  Imperial (°F)

Back to top

More about the USA

How cold is it in Keystone in December?

Daytime temperatures usually reach 36°F in Keystone in December, falling to 12°F at night.

How sunny is it in Keystone in December?

There are normally 5 hours of bright sunshine each day in Keystone in December - that's 56% of daylight hours.

Does it rain in Keystone in December?

There are usually 7 days with some rain in Keystone in December and the average monthly rainfall is 0.4 inches. Rain may fall as snow in this month.

Keystone December sunrise & sunset times

Browse the sunrise and sunset times for Keystone in December 2024. Select a month to view Keystone sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:09 16:17
Monday, 16th December 2024 07:22 16:17
Tuesday, 31st December 2024 07:28 16:26

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^