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December Weather in Tan Son, Vietnam

Last updated: August 28, 2025

In December, the average temperature in Tan Son, Vietnam is a pleasant 22°C (73°F), with fluctuations between a cool 15°C (58°F) and a warm 29°C (85°F). Expect 67 mm (2.6 in) of precipitation spread across 9 days, contributing to the region's high average humidity of 88%. Whether you're exploring the local sights or enjoying nature, be prepared for a mild, moisture-laden climate!

December Temperature in Tan Son

In December in Tan Son, the average temperature is 22°C (73°F). The maximum can reach 29°C (85°F), while the minimum can drop to as low as 15°C (58°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

December Weather in Tan Son: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tan Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tan Son, December typically has an average temperature of 22°C (73°F), with highs reaching up to 29°C (85°F) and lows dropping to around 15°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec727276787980797977767472
Data source: Temperature data for Tan Son 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 Tan Son

In Tan Son in December, the total precipitation amount is 67 mm (2.6 in), occurring over a span of 9 days.

December Precipitation Trends in Tan Son

The chart displays monthly precipitation patterns in Tan Son, 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 Tan Son, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4115377020114217118427425321867
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tan Son

In Tan Son in December humidity is 88%. With an average temperature of 22°C (73°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures a sweaty endeavor and prompting frequent breaks for hydration and shade.

December Average Humidity in Tan Son

This chart illustrates the average monthly humidity levels in Tan Son, 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 Tan Son is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%78%76%78%84%86%87%87%86%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tan Son

In Tan Son 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 Tan Son.

Maximum UV Index Levels in Tan Son for December

The chart shows the monthly maximum UV Index (UVI) for Tan Son 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 Tan Son typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416151514141515131210
Data source: Tan Son 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 Tan Son Compares to Other Months

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

This table compares monthly weather conditions in Tan Son, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)41 mm (1.6 inches)82%extreme
February Weather22°C (73°F)15 mm (0.6 inches)79%extreme
March Weather24°C (76°F)37 mm (1.5 inches)78%extreme
April Weather25°C (78°F)70 mm (2.7 inches)76%extreme
May Weather26°C (80°F)200 mm (7.9 inches)78%extreme
June Weather27°C (80°F)142 mm (5.6 inches)84%extreme
July Weather26°C (79°F)171 mm (6.7 inches)86%extreme
August Weather26°C (80°F)184 mm (7.2 inches)87%extreme
September Weather25°C (77°F)274 mm (10.8 inches)87%extreme
October Weather24°C (76°F)253 mm (9.9 inches)86%extreme
November Weather24°C (75°F)218 mm (8.6 inches)89%extreme
December Weather22°C (73°F)67 mm (2.6 inches)88%very high

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