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December Weather in Surian, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Surian, Indonesia is a comfortable 21°C (70°F), with daily highs reaching up to 29°C (84°F) and lows dropping to 16°C (61°F). Expect significant precipitation, with about 410 mm (16.1 in) occurring over 27 days of the month, and an average humidity level of 88% adds to the tropical ambiance. Prepare accordingly to enjoy all that this destination has to offer!

December Temperature in Surian

In December in Surian, the average temperature is 21°C (70°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as 16°C (61°F). This makes it an ideal time for travelers seeking pleasant and mild weather.

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

The chart illustrates December temperature patterns in Surian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surian, December typically has an average temperature of 21°C (70°F), with highs reaching up to 29°C (84°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec707070717170707070707070
Data source: Temperature data for Surian 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 Surian

In Surian in December, the precipitation amount is 410 mm (16.1 in) spread over 27 days.

December Precipitation Trends in Surian

The chart displays monthly precipitation patterns in Surian, 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 Surian, December typically receives around 410 mm (16.1 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec276323424368320199147194242298427410
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Surian

In Surian in December, humidity is 88%. With an average temperature of 21°C (70°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and slightly stifling, which can be quite challenging for travelers.

December Average Humidity in Surian

This chart illustrates the average monthly humidity levels in Surian, 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 Surian is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%84%83%86%86%86%88%88%90%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Surian

In Surian in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Surian.

Maximum UV Index Levels in Surian for December

The chart shows the monthly maximum UV Index (UVI) for Surian 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 Surian typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151717171513131515161515
Data source: Surian 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 Surian Compares to Other Months

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

This table compares monthly weather conditions in Surian, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)276 mm (10.9 inches)89%extreme
February Weather21°C (70°F)322 mm (12.7 inches)84%extreme
March Weather21°C (71°F)424 mm (16.7 inches)84%extreme
April Weather22°C (71°F)368 mm (14.5 inches)83%extreme
May Weather22°C (71°F)320 mm (12.6 inches)85%extreme
June Weather21°C (71°F)199 mm (7.8 inches)86%extreme
July Weather21°C (70°F)147 mm (5.8 inches)86%extreme
August Weather21°C (70°F)194 mm (7.6 inches)88%extreme
September Weather21°C (70°F)242 mm (9.5 inches)88%extreme
October Weather21°C (70°F)298 mm (11.7 inches)90%extreme
November Weather21°C (70°F)427 mm (16.8 inches)89%extreme
December Weather21°C (70°F)410 mm (16.1 inches)88%extreme

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