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December Weather in Georgetown, Saint Vincent and the Grenadines

Last updated: August 31, 2025

In Georgetown, Saint Vincent and the Grenadines, the average temperature in December is a pleasant 26°C (80°F), with a minimum of 24°C (75°F) and a maximum reaching 28°C (83°F). Expect about 54 mm (2.1 in) of precipitation over 16 days, while the air carries an average humidity of 82%.

December Temperature in Georgetown

In December in Georgetown, the average temperature is 26°C (80°F), with maximums reaching 28°C (83°F) and minimums dipping as low as 24°C (75°F). This pleasant climate makes it an ideal time for travelers looking to enjoy warm weather and outdoor activities.

December Weather in Georgetown: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Georgetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Georgetown, December typically has an average temperature of 26°C (80°F), with highs reaching up to 28°C (83°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878798081818182818080
Data source: Temperature data for Georgetown generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Georgetown

In Georgetown in December, the precipitation amount is 54 mm (2.1 in), falling over a span of 16 days.

December Precipitation Trends in Georgetown

The chart displays monthly precipitation patterns in Georgetown, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Georgetown, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec45323931459413515514516712354
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Georgetown

In Georgetown in December, humidity is 82%. With an average temperature of 26°C (80°F), this humidity feels like a heavy, warm blanket wrapping around you, making outdoor activities feel more exhausting and sweaty, which can be quite challenging for traveling.

December Average Humidity in Georgetown

This chart illustrates the average monthly humidity levels in Georgetown, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Georgetown is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%80%79%80%83%84%81%80%82%83%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Georgetown

In Georgetown in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Georgetown.

Maximum UV Index Levels in Georgetown for December

The chart shows the monthly maximum UV Index (UVI) for Georgetown in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Georgetown typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141413131414131110
Data source: Georgetown December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Georgetown Compares to Other Months

Weather in Georgetown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Georgetown, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Georgetown, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)45 mm (1.8 inches)81%extreme
February Weather25°C (78°F)32 mm (1.3 inches)80%extreme
March Weather26°C (78°F)39 mm (1.5 inches)80%extreme
April Weather26°C (79°F)31 mm (1.2 inches)79%extreme
May Weather27°C (80°F)45 mm (1.8 inches)80%extreme
June Weather27°C (81°F)94 mm (3.7 inches)83%extreme
July Weather27°C (81°F)135 mm (5.3 inches)84%extreme
August Weather27°C (81°F)155 mm (6.1 inches)81%extreme
September Weather28°C (82°F)145 mm (5.7 inches)80%extreme
October Weather27°C (82°F)167 mm (6.6 inches)82%extreme
November Weather27°C (81°F)123 mm (4.8 inches)83%extreme
December Weather26°C (80°F)54 mm (2.1 inches)82%very high

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