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December Weather in Thanh My, Vietnam

Last updated: August 28, 2025

In Thanh My, Vietnam, the average temperature in December hovers around 20°C (69°F), with a minimum of 13°C (55°F) and a maximum reaching 29°C (85°F). Be prepared for ample rainfall, as precipitation averages 229 mm (9.0 in) over 25 days, paired with a high average humidity of 89%.

December Temperature in Thanh My

In December in Thanh My, the average temperature is 20°C (69°F). Maximums can reach 29°C (85°F), and minimums can be as low as 13°C (55°F). This pleasant climate makes Thanh My an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

December Weather in Thanh My: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Thanh My, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thanh My, December typically has an average temperature of 20°C (69°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec686975788183828280767369
Data source: Temperature data for Thanh My 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 Thanh My

In Thanh My, in December, the total precipitation amount is 229 mm (9.0 in) over the course of 25 days.

December Precipitation Trends in Thanh My

The chart displays monthly precipitation patterns in Thanh My, 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 Thanh My, December typically receives around 229 mm (9.0 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec116738212117485161142280478421229
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Thanh My

In Thanh My in December humidity is 89%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket enveloping you, making outdoor activities uncomfortable and requiring frequent breaks for hydration and rest.

December Average Humidity in Thanh My

This chart illustrates the average monthly humidity levels in Thanh My, 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 Thanh My is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%78%75%80%85%85%87%88%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Thanh My

In Thanh My in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Thanh My.

Maximum UV Index Levels in Thanh My for December

The chart shows the monthly maximum UV Index (UVI) for Thanh My 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 Thanh My typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131515151415151412119
Data source: Thanh My 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 Thanh My Compares to Other Months

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

This table compares monthly weather conditions in Thanh My, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)116 mm (4.6 inches)86%very high
February Weather21°C (70°F)73 mm (2.9 inches)83%extreme
March Weather24°C (76°F)82 mm (3.2 inches)78%extreme
April Weather25°C (78°F)121 mm (4.8 inches)75%extreme
May Weather27°C (81°F)174 mm (6.9 inches)80%extreme
June Weather28°C (83°F)85 mm (3.3 inches)85%extreme
July Weather28°C (82°F)161 mm (6.4 inches)85%extreme
August Weather28°C (82°F)142 mm (5.6 inches)87%extreme
September Weather26°C (80°F)280 mm (11.0 inches)88%extreme
October Weather25°C (76°F)478 mm (18.8 inches)90%extreme
November Weather23°C (73°F)421 mm (16.6 inches)91%extreme
December Weather20°C (69°F)229 mm (9.0 inches)89%very high

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