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December Weather in Halong, Indonesia

Last updated: August 23, 2025

The average temperature in Halong, Indonesia during December is a pleasant 26°C (79°F). You'll experience a minimum of 21°C (71°F) and a maximum of 33°C (92°F). Expect precipitation of around 212 mm (8.3 in) spread over 28 days, with an average humidity of 80%, making this month quite a tropical experience!

December Temperature in Halong

In December in Halong, the average temperature is 26°C (79°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 21°C (71°F). This pleasant climate makes Halong an ideal destination for travelers seeking warmth and comfort.

December Weather in Halong: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Halong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Halong, December typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878797978787879797978
Data source: Temperature data for Halong 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 Halong

In Halong in December, the total precipitation amount is 212 mm (8.3 in) recorded over a span of 28 days.

December Precipitation Trends in Halong

The chart displays monthly precipitation patterns in Halong, 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 Halong, December typically receives around 212 mm (8.3 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec215212313251212158133119142188270212
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Halong

In Halong in December humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

December Average Humidity in Halong

This chart illustrates the average monthly humidity levels in Halong, 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 Halong is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%84%82%80%81%82%82%77%78%77%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Halong

In Halong in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Halong, you can check here.

Maximum UV Index Levels in Halong for December

The chart shows the monthly maximum UV Index (UVI) for Halong 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 Halong typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151412121415161414
Data source: Halong 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 Halong Compares to Other Months

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

This table compares monthly weather conditions in Halong, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)215 mm (8.5 inches)83%extreme
February Weather26°C (79°F)212 mm (8.4 inches)83%extreme
March Weather26°C (79°F)313 mm (12.3 inches)84%extreme
April Weather26°C (79°F)251 mm (9.9 inches)82%extreme
May Weather26°C (80°F)212 mm (8.3 inches)80%extreme
June Weather26°C (79°F)158 mm (6.2 inches)81%extreme
July Weather25°C (78°F)133 mm (5.2 inches)82%extreme
August Weather26°C (78°F)119 mm (4.7 inches)82%extreme
September Weather26°C (79°F)142 mm (5.6 inches)77%extreme
October Weather26°C (79°F)188 mm (7.4 inches)78%extreme
November Weather26°C (79°F)270 mm (10.6 inches)77%extreme
December Weather26°C (79°F)212 mm (8.3 inches)80%extreme

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