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December Weather in Yen Lac, Vietnam

Last updated: August 28, 2025

In December, the average temperature in Yen Lac, Vietnam hovers around 19°C (66°F). Expect a minimum temperature of 9°C (48°F) and a pleasant maximum reaching up to 30°C (87°F). With 40 mm (1.6 in) of precipitation spread over 8 days, you'll want to pack an umbrella! The average humidity levels at 71% add to the tropical feel of this vibrant locale.

December Temperature in Yen Lac

In December in Yen Lac, the average temperature is 19°C (66°F). Maximums can reach 30°C (87°F), while minimums can drop as low as 9°C (48°F). This makes it an ideal time for outdoor activities and exploring the local attractions.

December Weather in Yen Lac: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Yen Lac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yen Lac, December typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (87°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec656673778387868583787365
Data source: Temperature data for Yen Lac 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 Yen Lac

In Yen Lac in December, the precipitation amount is 40 mm (1.6 in), occurring over a span of 8 days.

December Precipitation Trends in Yen Lac

The chart displays monthly precipitation patterns in Yen Lac, 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 Yen Lac, December typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5236631241461772373772042264040
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yen Lac

In Yen Lac in December humidity is 71%. With an average temperature of 19°C (66°F), this humidity feels like a warm, balmy embrace that enhances the tropical atmosphere, making it a perfect backdrop for leisurely strolls and outdoor adventures, though it may also lead to a slightly sticky feeling as you explore.

December Average Humidity in Yen Lac

This chart illustrates the average monthly humidity levels in Yen Lac, 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 Yen Lac 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 Yen Lac

In Yen Lac 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 Yen Lac.

Maximum UV Index Levels in Yen Lac for December

The chart shows the monthly maximum UV Index (UVI) for Yen Lac 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 Yen Lac typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213121213131197
Data source: Yen Lac 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 Yen Lac Compares to Other Months

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

This table compares monthly weather conditions in Yen Lac, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)52 mm (2.0 inches)66%very high
February Weather19°C (66°F)36 mm (1.4 inches)71%very high
March Weather23°C (73°F)62 mm (2.5 inches)69%extreme
April Weather25°C (77°F)124 mm (4.9 inches)64%extreme
May Weather28°C (83°F)146 mm (5.8 inches)73%extreme
June Weather31°C (87°F)177 mm (7.0 inches)81%extreme
July Weather30°C (86°F)237 mm (9.3 inches)90%extreme
August Weather29°C (85°F)377 mm (14.9 inches)89%extreme
September Weather29°C (84°F)204 mm (8.0 inches)82%extreme
October Weather25°C (78°F)226 mm (8.9 inches)77%extreme
November Weather23°C (73°F)40 mm (1.6 inches)72%very high
December Weather19°C (66°F)40 mm (1.6 inches)71%high

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