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December Weather in Serui, Indonesia

Last updated: August 23, 2025

In Serui, Indonesia, the average temperature in December hovers around 27°C (82°F), with daily fluctuations between a minimum of 25°C (77°F) and a maximum of 30°C (87°F). Expect considerable rainfall during this period, with an average precipitation of 338 mm (13.3 in) spread over 29 days. The air is also quite humid, averaging around 89%, making it a typically tropical experience.

December Temperature in Serui

In December in Serui, the average temperature is 27°C (82°F), with a maximum that can reach 30°C (87°F) and a minimum that can be as low as 25°C (77°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates December temperature patterns in Serui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serui, December typically has an average temperature of 27°C (82°F), with highs reaching up to 30°C (87°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818180808080818181
Data source: Temperature data for Serui 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 Serui

In Serui in December, the total precipitation amount is 338 mm (13.3 in) over the course of 29 days.

December Precipitation Trends in Serui

The chart displays monthly precipitation patterns in Serui, 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 Serui, December typically receives around 338 mm (13.3 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec232309357346324338303310317298258338
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Serui

In Serui in December, humidity is 89%. With an average temperature of 27°C (82°F), this humidity feels like a warm, steamy blanket enveloping you, making outdoor activities challenging and encouraging travelers to seek the comfort of shaded areas or refreshing indoor spaces.

December Average Humidity in Serui

This chart illustrates the average monthly humidity levels in Serui, 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 Serui is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%88%89%88%89%88%90%89%89%89%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Serui

In Serui 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 Serui, you can check here.

Maximum UV Index Levels in Serui for December

The chart shows the monthly maximum UV Index (UVI) for Serui 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 Serui typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412121415151414
Data source: Serui 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 Serui Compares to Other Months

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

This table compares monthly weather conditions in Serui, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)232 mm (9.1 inches)88%extreme
February Weather27°C (81°F)309 mm (12.2 inches)89%extreme
March Weather27°C (81°F)357 mm (14.1 inches)88%extreme
April Weather27°C (81°F)346 mm (13.6 inches)89%extreme
May Weather27°C (81°F)324 mm (12.7 inches)88%extreme
June Weather27°C (81°F)338 mm (13.3 inches)89%extreme
July Weather27°C (80°F)303 mm (11.9 inches)88%extreme
August Weather27°C (80°F)310 mm (12.2 inches)90%extreme
September Weather27°C (81°F)317 mm (12.5 inches)89%extreme
October Weather27°C (81°F)298 mm (11.7 inches)89%extreme
November Weather27°C (82°F)258 mm (10.2 inches)89%extreme
December Weather27°C (82°F)338 mm (13.3 inches)89%extreme

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