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December Weather in Saint-Georges, French Guiana

Last updated: August 23, 2025

In Saint-Georges, French Guiana, the average temperature in December is a cozy 26°C (79°F), offering a warm retreat. Expect temperatures to range from a minimum of 22°C (71°F) to a maximum of 32°C (90°F), perfect for outdoor explorations. However, be prepared for a significant precipitation amount of 314 mm (12.4 in), spread over 29 days, making it a rather wet month. With an average humidity of 86%, the air is quite moist, creating a lush and vibrant atmosphere.

December Temperature in Saint-Georges

In December in Saint-Georges, the average temperature is 26°C (79°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 22°C (71°F). This pleasant climate makes Saint-Georges an ideal destination for travelers looking to enjoy warm weather.

December Weather in Saint-Georges: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Georges, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Georges, December typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec787879797879798082828078
Data source: Temperature data for Saint-Georges 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 Saint-Georges

In Saint-Georges in December, the precipitation amount is 314 mm (12.4 in) during a span of 29 days.

December Precipitation Trends in Saint-Georges

The chart displays monthly precipitation patterns in Saint-Georges, 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 Saint-Georges, December typically receives around 314 mm (12.4 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec2492242083674833382341214947174314
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Georges

In Saint-Georges in December, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.

December Average Humidity in Saint-Georges

This chart illustrates the average monthly humidity levels in Saint-Georges, 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 Saint-Georges is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%71%70%72%76%88%77%72%71%71%76%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint-Georges

In Saint-Georges in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Saint-Georges.

Maximum UV Index Levels in Saint-Georges for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Georges 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 Saint-Georges typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161412121313131312
Data source: Saint-Georges 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 Saint-Georges Compares to Other Months

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

This table compares monthly weather conditions in Saint-Georges, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)249 mm (9.8 inches)78%extreme
February Weather26°C (78°F)224 mm (8.8 inches)71%extreme
March Weather26°C (79°F)208 mm (8.2 inches)70%extreme
April Weather26°C (79°F)367 mm (14.4 inches)72%extreme
May Weather26°C (79°F)483 mm (19.0 inches)76%extreme
June Weather26°C (79°F)338 mm (13.3 inches)88%extreme
July Weather26°C (79°F)234 mm (9.2 inches)77%extreme
August Weather27°C (81°F)121 mm (4.8 inches)72%extreme
September Weather28°C (82°F)49 mm (1.9 inches)71%extreme
October Weather28°C (82°F)47 mm (1.9 inches)71%extreme
November Weather27°C (81°F)174 mm (6.8 inches)76%extreme
December Weather26°C (79°F)314 mm (12.4 inches)86%extreme

Compare Saint-Georges's Climate with Cities Worldwide