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December Weather in Tarutung, Indonesia

Last updated: August 23, 2025

In Tarutung, Indonesia, the average temperature in December hovers around 21°C (70°F), with comfortable lows of 16°C (61°F) and warm highs reaching 29°C (85°F). However, be prepared for some rain, as the area receives 383 mm (15.1 in) of precipitation spread over 27 days. With an average humidity level of 85%, it's a month that invites you to embrace the warmth while staying cozy!

December Temperature in Tarutung

In December in Tarutung, the average temperature is 21°C (70°F). Maximums can reach 29°C (85°F), and minimums can be as low as 16°C (61°F). This mild climate makes Tarutung an ideal destination for travelers seeking comfortable weather conditions.

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

The chart illustrates December temperature patterns in Tarutung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tarutung, December typically has an average temperature of 21°C (70°F), with highs reaching up to 29°C (85°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec707171717271707070707070
Data source: Temperature data for Tarutung 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 Tarutung

In Tarutung in December, the precipitation amount is 383 mm (15.1 in) occurring over 27 days.

December Precipitation Trends in Tarutung

The chart displays monthly precipitation patterns in Tarutung, 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 Tarutung, December typically receives around 383 mm (15.1 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec232217313349279196177226332346458383
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tarutung

In Tarutung in December, humidity is 85%. With an average temperature of 21°C (70°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel slightly stifling and requiring frequent breaks to refresh in the shade or near water.

December Average Humidity in Tarutung

This chart illustrates the average monthly humidity levels in Tarutung, 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 Tarutung is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%75%79%80%83%84%83%86%87%89%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tarutung

In Tarutung in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Tarutung.

Maximum UV Index Levels in Tarutung for December

The chart shows the monthly maximum UV Index (UVI) for Tarutung 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 Tarutung typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516161513131415151413
Data source: Tarutung 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 Tarutung Compares to Other Months

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

This table compares monthly weather conditions in Tarutung, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)232 mm (9.1 inches)81%extreme
February Weather22°C (71°F)217 mm (8.5 inches)75%extreme
March Weather22°C (71°F)313 mm (12.3 inches)78%extreme
April Weather22°C (71°F)349 mm (13.7 inches)80%extreme
May Weather22°C (72°F)278 mm (11.0 inches)83%extreme
June Weather22°C (71°F)196 mm (7.7 inches)84%extreme
July Weather21°C (70°F)177 mm (7.0 inches)83%extreme
August Weather21°C (70°F)226 mm (8.9 inches)86%extreme
September Weather21°C (70°F)332 mm (13.1 inches)87%extreme
October Weather21°C (70°F)345 mm (13.6 inches)88%extreme
November Weather21°C (70°F)458 mm (18.0 inches)87%extreme
December Weather21°C (70°F)383 mm (15.1 inches)85%extreme

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