Chetumal weather in December 2025

Expect daytime maximum temperatures of 82°F in Chetumal, Mexico in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.6 inches of rainfall in the month.

  • 82°F maximum daytime temperature in December in Chetumal82
    82°F max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in December in Chetumal8
    8 days with some rainfall
  • 64°F minimum night-time temperature in December in Chetumal64
    64°F 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
  • 3.6 inches monthly rainfall in December in Chetumal3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Chetumal8
    8 (Very High) UV index
  • 79°F sea temperature in December in Chetumal79
    79°F 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)  |  Imperial (°F)

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How hot is it in Chetumal in December?

Daytime temperatures usually reach 82°F in Chetumal in December with moderate heat and humidity, falling to 64°F 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 79°F.

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 3.6 inches.

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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