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December Weather in Hailean, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Hailean, Indonesia hovers around 28°C (83°F), with a minimum of 26°C (78°F) and a maximum reaching 31°C (88°F). Expect 185 mm (7.3 in) of precipitation spread over 20 days, contributing to an average humidity of 72%. Perfect for those who enjoy a warm, tropical climate!

December Temperature in Hailean

In December in Hailean, the average temperature is 28°C (83°F), with maximums reaching up to 31°C (88°F) and minimums dipping as low as 26°C (78°F). This pleasant weather makes it an ideal time for travel and outdoor activities.

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

The chart illustrates December temperature patterns in Hailean, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hailean, December typically has an average temperature of 28°C (83°F), with highs reaching up to 31°C (88°F) and lows dropping to around 26°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec828282838280797980828383
Data source: Temperature data for Hailean 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 Hailean

In Hailean in December, the total precipitation amount is 185 mm (7.3 in) over a span of 20 days.

December Precipitation Trends in Hailean

The chart displays monthly precipitation patterns in Hailean, 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 Hailean, December typically receives around 185 mm (7.3 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec296278194138205221558185
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hailean

In Hailean in December, humidity is 72%. With an average temperature of 28°C (83°F), this humidity feels like you're walking through a warm, damp blanket, making travel particularly stifling and sticky, where even short excursions can leave you feeling overheated and in need of frequent breaks for hydration.

December Average Humidity in Hailean

This chart illustrates the average monthly humidity levels in Hailean, 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 Hailean is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%82%82%80%80%75%71%74%74%74%73%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hailean

In Hailean 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 Hailean, you can check here.

Maximum UV Index Levels in Hailean for December

The chart shows the monthly maximum UV Index (UVI) for Hailean 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 Hailean typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616141210111315151514
Data source: Hailean 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 Hailean Compares to Other Months

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

This table compares monthly weather conditions in Hailean, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)296 mm (11.6 inches)77%extreme
February Weather28°C (82°F)278 mm (10.9 inches)82%extreme
March Weather28°C (82°F)194 mm (7.6 inches)82%extreme
April Weather28°C (83°F)138 mm (5.4 inches)80%extreme
May Weather28°C (82°F)20 mm (0.8 inches)80%extreme
June Weather27°C (80°F)5 mm (0.2 inches)75%very high
July Weather26°C (79°F)2 mm (0.1 inches)71%extreme
August Weather26°C (79°F)2 mm (0.1 inches)74%extreme
September Weather27°C (80°F)1 mm (0.1 inches)74%extreme
October Weather28°C (82°F)5 mm (0.2 inches)74%extreme
November Weather28°C (83°F)58 mm (2.3 inches)73%extreme
December Weather28°C (83°F)185 mm (7.3 inches)72%extreme

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