St Louis weather in January 2026

Expect daytime maximum temperatures of 3°C in St Louis, Missouri in January based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 46 mm of rainfall in the month, which might fall as snow.

  • 3°C maximum daytime temperature in January in St Louis3
    3°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in January in St Louis9
    9 days with some rainfall
  • -6°C minimum night-time temperature in January in St Louis-6
    -6°C min night temperature
  • 10 hours of daylight per day in January in St Louis10
    10 hours of daylight per day
  • No heat & humidity in January in St Louis0
    No heat & humidity
  • 46 mm monthly rainfall in January in St Louis46
    46 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in St Louis2
    2 (Low) UV index

More about St Louis

St Louis by month

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

Recommended for Missouri

Radisson Hotels: up to 25% off prepaid rates

  • Save up to 25% on hotel stays when you book advance
  • Radisson Rewards members get extra 10% off hotels
  • Book hotels in Europe, Middle East, Africa, Asia & Pacific
Show discount codeShow discount code ******AID
Redeem Radisson Hotels discount code >>

View all Radisson Hotels offers

The January weather guide for Missouri (St Louis) 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)

Back to top

More about the USA

How cold is it in St Louis in January?

Daytime temperatures usually reach 3°C in St Louis in January, falling to -6°C at night.

How sunny is it in St Louis in January?

There are normally 5 hours of bright sunshine each day in St Louis in January - that's 53% of daylight hours.

Does it rain in St Louis in January?

There are usually 9 days with some rain in St Louis in January and the average monthly rainfall is 46mm. Rain may fall as snow in this month.

St Louis January sunrise & sunset times

Browse the sunrise and sunset times for St Louis in January 2026. Select a month to view St Louis sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:19 16:50
Friday, 16th January 2026 07:17 17:05
Saturday, 31st January 2026 07:07 17:22

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^