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December Weather in But Son, Vietnam

Last updated: August 28, 2025

In December, the average temperature in But Son, Vietnam hovers around 19°C (67°F). Visitors can expect a minimum of 11°C (51°F) and highs reaching 30°C (85°F). The month typically sees 38 mm (1.5 in) of precipitation spread over 5 days, and with an average humidity of 78%, it's a great time to experience the local climate.

December Temperature in But Son

In December in But Son, the average temperature is 19°C (67°F). Maximums can reach 30°C (85°F), while minimums can dip as low as 11°C (51°F). This makes it a great time for traveling to enjoy mild weather and outdoor activities.

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

The chart illustrates December temperature patterns in But Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In But Son, December typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (85°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec666773778489878684787366
Data source: Temperature data for But 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 But Son

In But Son in December, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 5 days.

December Precipitation Trends in But Son

The chart displays monthly precipitation patterns in But 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 But Son, December typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec352142771661093023122522507338
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in But Son

In But Son in December humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

December Average Humidity in But Son

This chart illustrates the average monthly humidity levels in But 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 But Son is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%74%70%78%82%90%90%84%81%78%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in But Son

In But Son in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in But Son.

Maximum UV Index Levels in But Son for December

The chart shows the monthly maximum UV Index (UVI) for But 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 But Son typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131414141297
Data source: But 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 But Son Compares to Other Months

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

This table compares monthly weather conditions in But Son, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)35 mm (1.4 inches)74%very high
February Weather19°C (67°F)21 mm (0.8 inches)77%very high
March Weather23°C (73°F)42 mm (1.7 inches)74%extreme
April Weather25°C (77°F)77 mm (3.0 inches)70%extreme
May Weather29°C (84°F)166 mm (6.5 inches)78%extreme
June Weather32°C (89°F)109 mm (4.3 inches)82%extreme
July Weather31°C (87°F)302 mm (11.9 inches)90%extreme
August Weather30°C (86°F)312 mm (12.3 inches)90%extreme
September Weather29°C (84°F)252 mm (9.9 inches)84%extreme
October Weather25°C (78°F)250 mm (9.8 inches)81%extreme
November Weather23°C (74°F)73 mm (2.9 inches)78%very high
December Weather19°C (67°F)38 mm (1.5 inches)78%high

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