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December Weather in Ky Son, Vietnam

Last updated: August 28, 2025

In December, the average temperature in Ky Son, Vietnam hovers around 17°C (63°F). Expect a comfortable range with minimums dipping to 7°C (46°F) and peaks soaring up to 29°C (84°F). The month brings about 48 mm (1.9 in) of rainfall over approximately 8 days, contributing to an average humidity of 71%.

December Temperature in Ky Son

In December in Ky Son, the average temperature is 17°C (63°F). Maximums can reach 29°C (84°F) and minimums can be as low as 7°C (46°F). This makes it a great time for travelers to enjoy a variety of outdoor activities while experiencing mild temperatures.

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

The chart illustrates December temperature patterns in Ky Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ky Son, December typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec636471758185848381757163
Data source: Temperature data for Ky 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 Ky Son

In Ky Son in December, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.

December Precipitation Trends in Ky Son

The chart displays monthly precipitation patterns in Ky 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 Ky Son, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec6039691621792593344232462925648
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ky Son

In Ky Son in December, humidity is 71%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet a bit sticky, so travelers should stay hydrated and take breaks in the shade.

December Average Humidity in Ky Son

This chart illustrates the average monthly humidity levels in Ky 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 Ky Son is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ky Son

In Ky 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 Ky Son.

Maximum UV Index Levels in Ky Son for December

The chart shows the monthly maximum UV Index (UVI) for Ky 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 Ky Son typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213131313131197
Data source: Ky 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 Ky Son Compares to Other Months

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

This table compares monthly weather conditions in Ky Son, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)60 mm (2.4 inches)66%very high
February Weather18°C (64°F)39 mm (1.5 inches)71%very high
March Weather22°C (71°F)69 mm (2.7 inches)69%extreme
April Weather24°C (75°F)162 mm (6.4 inches)64%extreme
May Weather27°C (81°F)179 mm (7.0 inches)73%extreme
June Weather30°C (85°F)259 mm (10.2 inches)81%extreme
July Weather29°C (84°F)334 mm (13.2 inches)90%extreme
August Weather28°C (83°F)423 mm (16.6 inches)89%extreme
September Weather27°C (81°F)246 mm (9.7 inches)82%extreme
October Weather24°C (76°F)292 mm (11.5 inches)77%extreme
November Weather21°C (71°F)56 mm (2.2 inches)72%very high
December Weather17°C (63°F)48 mm (1.9 inches)71%high

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