Georgetown weather in December 2025

Expect daytime maximum temperatures of 29°C in Georgetown, Guyana in December and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 25 days with some rainfall and typically 295 mm of rainfall in the month.

  • 29°C maximum daytime temperature in December in Georgetown29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 25 days with some rainfall in December in Georgetown25
    25 days with some rainfall
  • 24°C minimum night-time temperature in December in Georgetown24
    24°C min night temperature
  • 12 hours of daylight per day in December in Georgetown12
    12 hours of daylight per day
  • High heat & humidity in December in GeorgetownH
    High heat & humidity
  • 295 mm monthly rainfall in December in Georgetown295
    295 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in Georgetown11
    11 (Extreme) UV index
  • 27°C sea temperature in December in Georgetown27
    27°C sea temperature

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The December weather guide for Guyana (Georgetown) 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 Georgetown in December?

Daytime temperatures usually reach 29°C in Georgetown in December with high heat and humidity, falling to 24°C at night.

How sunny is it in Georgetown in December?

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

How warm is the sea around Georgetown in December?

The average sea temperature around Georgetown in December is 27°C.

Does it rain in Georgetown in December?

There are usually 25 days with some rain in Georgetown in December and the average monthly rainfall is 295mm.

Georgetown December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:49 17:35
Tuesday, 16th December 2025 05:56 17:40
Wednesday, 31st December 2025 06:04 17:48

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