Key West weather in January 2025

Expect 75°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Key West in January. Check more long-term weather averages for Key West in January before you book your next holiday to Florida in 2025/2026.

  • 75°F maximum daytime temperature in January in Key West75
    75°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in January in Key West6
    6 days with some rainfall
  • 63°F minimum night-time temperature in January in Key West63
    63°F min night temperature
  • 11 hours of daylight per day in January in Key West11
    11 hours of daylight per day
  • No heat & humidity in January in Key West0
    No heat & humidity
  • 1.9 inches monthly rainfall in January in Key West1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in January in Key West6
    6 (High) UV index
  • 73°F sea temperature in January in Key West73
    73°F sea temperature

More about Key West

Key West by month

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

Recommended for Florida

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The January weather guide for Florida (Key West) 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 Florida

How hot is it in Key West in January?

Daytime temperatures usually reach 75°F in Key West in January, falling to 63°F at night.

How sunny is it in Key West in January?

There are normally 8 hours of bright sunshine each day in Key West in January - that's 73% of daylight hours.

How warm is the sea around Key West in January?

The average sea temperature around Key West in January is 73°F.

Does it rain in Key West in January?

There are usually 6 days with some rain in Key West in January and the average monthly rainfall is 1.9 inches.

Key West January sunrise & sunset times

Browse the sunrise and sunset times for Key West in January 2025. Select a month to view Key West sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:11 17:51
Thursday, 16th January 2025 07:13 18:01
Friday, 31st January 2025 07:09 18:12

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^