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December Weather in Sumohai, Indonesia

Last updated: August 23, 2025

In Sumohai, Indonesia, the average temperature in December is a pleasant 26°C (79°F). Expect comfortable conditions with a minimum of 20°C (69°F) and a maximum reaching 33°C (91°F). However, be prepared for some rain, as the area receives around 800 mm (31.5 in) of precipitation over 28 days, accompanied by a high average humidity of 90%.

December Temperature in Sumohai

In December in Sumohai, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 20°C (69°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates December temperature patterns in Sumohai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumohai, December typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec797978787876757676787979
Data source: Temperature data for Sumohai 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 Sumohai

In Sumohai in December, the total precipitation amount is 800 mm (31.5 in) spread over a period of 28 days.

December Precipitation Trends in Sumohai

The chart displays monthly precipitation patterns in Sumohai, 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 Sumohai, December typically receives around 800 mm (31.5 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec75260310721127160521351778148216101072881800
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sumohai

In Sumohai in December, humidity is 90%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sticky and draining, while every step requires extra effort in the sweltering embrace of the moist air.

December Average Humidity in Sumohai

This chart illustrates the average monthly humidity levels in Sumohai, 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 Sumohai is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%90%90%90%92%92%92%91%90%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sumohai

In Sumohai 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 Sumohai, you can check here.

Maximum UV Index Levels in Sumohai for December

The chart shows the monthly maximum UV Index (UVI) for Sumohai 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 Sumohai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151717161311121315151514
Data source: Sumohai 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 Sumohai Compares to Other Months

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

This table compares monthly weather conditions in Sumohai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)752 mm (29.6 inches)90%extreme
February Weather26°C (79°F)603 mm (23.7 inches)90%extreme
March Weather26°C (79°F)1072 mm (42.2 inches)90%extreme
April Weather26°C (79°F)1127 mm (44.4 inches)90%extreme
May Weather25°C (78°F)1605 mm (63.2 inches)90%extreme
June Weather25°C (76°F)2135 mm (84.1 inches)92%extreme
July Weather24°C (76°F)1778 mm (70.0 inches)92%extreme
August Weather24°C (76°F)1482 mm (58.3 inches)92%extreme
September Weather25°C (76°F)1610 mm (63.4 inches)91%extreme
October Weather25°C (78°F)1072 mm (42.2 inches)90%extreme
November Weather26°C (79°F)881 mm (34.7 inches)90%extreme
December Weather26°C (79°F)800 mm (31.5 inches)90%extreme

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