Chetumal weather in December 2025

Expect daytime maximum temperatures of 28°C in Chetumal, Mexico in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 92 mm of rainfall in the month.

  • 28°C maximum daytime temperature in December in Chetumal28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in December in Chetumal8
    8 days with some rainfall
  • 18°C minimum night-time temperature in December in Chetumal18
    18°C min night temperature
  • 11 hours of daylight per day in December in Chetumal11
    11 hours of daylight per day
  • Moderate heat & humidity in December in ChetumalM
    Moderate heat & humidity
  • 92 mm monthly rainfall in December in Chetumal92
    92 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Chetumal8
    8 (Very High) UV index
  • 26°C sea temperature in December in Chetumal26
    26°C sea temperature

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The December weather guide for Mexico (Chetumal) 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 hot is it in Chetumal in December?

Daytime temperatures usually reach 28°C in Chetumal in December with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Chetumal in December?

There are normally 6 hours of bright sunshine each day in Chetumal in December - that's 53% of daylight hours.

How warm is the sea around Chetumal in December?

The average sea temperature around Chetumal in December is 26°C.

Does it rain in Chetumal in December?

There are usually 8 days with some rain in Chetumal in December and the average monthly rainfall is 92mm.

Chetumal December sunrise & sunset times

Browse the sunrise and sunset times for Chetumal in December 2025. Select a month to view Chetumal sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:09 17:15
Tuesday, 16th December 2025 06:18 17:20
Wednesday, 31st December 2025 06:25 17:28

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