Treasure Island weather in January 2026

Expect daytime maximum temperatures of 20°C in Treasure Island, Florida in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 62 mm of rainfall in the month.

  • 20°C maximum daytime temperature in January in Treasure Island20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in January in Treasure Island7
    7 days with some rainfall
  • 10°C minimum night-time temperature in January in Treasure Island10
    10°C min night temperature
  • 11 hours of daylight per day in January in Treasure Island11
    11 hours of daylight per day
  • No heat & humidity in January in Treasure Island0
    No heat & humidity
  • 62 mm monthly rainfall in January in Treasure Island62
    62 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in January in Treasure Island5
    5 (Moderate) UV index
  • 18°C sea temperature in January in Treasure Island18
    18°C sea temperature

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The January weather guide for Florida (Treasure Island) 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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More about Florida

How hot is it in Treasure Island in January?

Daytime temperatures usually reach 20°C in Treasure Island in January, falling to 10°C at night.

How sunny is it in Treasure Island in January?

There are normally 7 hours of bright sunshine each day in Treasure Island in January - that's 61% of daylight hours.

How warm is the sea around Treasure Island in January?

The average sea temperature around Treasure Island in January is 18°C.

Does it rain in Treasure Island in January?

There are usually 7 days with some rain in Treasure Island in January and the average monthly rainfall is 62mm.

Treasure Island January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:22 17:48
Friday, 16th January 2026 07:23 17:59
Saturday, 31st January 2026 07:18 18:11

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