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December Weather in Rach Gia, Vietnam

Last updated: August 28, 2025

In December, the average temperature in Rach Gia, Vietnam hovers around 27°C (80°F), with minimums reaching 20°C (68°F) and maximums peaking at 31°C (88°F). Expect a precipitation amount of 84 mm (3.3 in) spread over about 10 days, accompanied by an average humidity of 81%. Enjoy the warmth, but be prepared for occasional showers!

December Temperature in Rach Gia

In December in Rach Gia, the average temperature is 27°C (80°F). Maximums can reach 31°C (88°F), while minimums can be as low as 20°C (68°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

December Weather in Rach Gia: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rach Gia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rach Gia, December typically has an average temperature of 27°C (80°F), with highs reaching up to 31°C (88°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec808082838383828281818180
Data source: Temperature data for Rach Gia 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 Rach Gia

In Rach Gia in December, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

December Precipitation Trends in Rach Gia

The chart displays monthly precipitation patterns in Rach Gia, 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 Rach Gia, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec38222811922228738138936432813784
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rach Gia

In Rach Gia in December, humidity is 81%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy, but the vibrant atmosphere can still be invigorating, inviting moments of exploration in slower, more deliberate steps.

December Average Humidity in Rach Gia

This chart illustrates the average monthly humidity levels in Rach Gia, 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 Rach Gia is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%76%78%77%79%80%83%83%81%84%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rach Gia

In Rach Gia in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Rach Gia.

Maximum UV Index Levels in Rach Gia for December

The chart shows the monthly maximum UV Index (UVI) for Rach Gia 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 Rach Gia typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101415141413141414131111
Data source: Rach Gia 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 Rach Gia Compares to Other Months

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

This table compares monthly weather conditions in Rach Gia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)38 mm (1.5 inches)73%very high
February Weather27°C (81°F)22 mm (0.9 inches)73%extreme
March Weather28°C (83°F)28 mm (1.1 inches)76%extreme
April Weather29°C (84°F)119 mm (4.7 inches)78%extreme
May Weather29°C (84°F)221 mm (8.7 inches)77%extreme
June Weather28°C (83°F)287 mm (11.3 inches)79%extreme
July Weather28°C (82°F)381 mm (15.0 inches)80%extreme
August Weather28°C (82°F)389 mm (15.3 inches)83%extreme
September Weather27°C (82°F)364 mm (14.3 inches)82%extreme
October Weather27°C (81°F)328 mm (12.9 inches)81%extreme
November Weather27°C (81°F)137 mm (5.4 inches)84%extreme
December Weather27°C (80°F)84 mm (3.3 inches)81%extreme

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