December Weather in Belawan, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Belawan, Indonesia is a warm 27°C (81°F). During this time, temperatures can dip to a minimum of 23°C (74°F) and soar to a maximum of 33°C (91°F). Expect significant precipitation, with around 328 mm (12.9 in) typically falling over 29 days. The air also holds a high average humidity of 88%, creating a moist and tropical atmosphere.

December Temperature in Belawan

In December in Belawan, the average temperature is 27°C (81°F), with maximums reaching 33°C (91°F) and minimums dropping to 23°C (74°F). This mild climate makes it a perfect time for outdoor adventures and exploration.

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

The chart illustrates December temperature patterns in Belawan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belawan, December typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (91°F) and lows dropping to around 23°C (74°F).

Data source: Temperature data for Belawan generated using information from the Copernicus Climate Change Service.

December Precipitation in Belawan

In Belawan in December, the precipitation amount is 328 mm (12.9 in) over the course of 29 days.

December Precipitation Trends in Belawan

The chart displays monthly precipitation patterns in Belawan, 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 Belawan, December typically receives around 328 mm (12.9 inches) of precipitation spread over approximately 29 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Belawan

In Belawan in December, humidity is 88%. With an average temperature of 27°C (81°F), this humidity feels like a warm, thick blanket wrapping around you as you travel, making every step feel more laborious and requiring frequent breaks to cool down and hydrate.

December Average Humidity in Belawan

This chart illustrates the average monthly humidity levels in Belawan, 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 Belawan is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Belawan

In Belawan in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Belawan.

Maximum UV Index Levels in Belawan for December

The chart shows the monthly maximum UV Index (UVI) for Belawan 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 Belawan typically reaches 12, which falls under the extreme exposure category.

Data source: Belawan 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 Belawan Compares to Other Months

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

This table compares monthly weather conditions in Belawan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	193 mm (7.6 inches)	83%	extreme
February Weather	27°C (82°F)	116 mm (4.6 inches)	74%	extreme
March Weather	28°C (83°F)	152 mm (6.0 inches)	74%	extreme
April Weather	28°C (83°F)	242 mm (9.5 inches)	77%	extreme
May Weather	28°C (83°F)	315 mm (12.4 inches)	82%	extreme
June Weather	28°C (83°F)	196 mm (7.7 inches)	85%	extreme
July Weather	28°C (82°F)	195 mm (7.7 inches)	84%	extreme
August Weather	28°C (82°F)	254 mm (10.0 inches)	87%	extreme
September Weather	27°C (81°F)	332 mm (13.1 inches)	89%	extreme
October Weather	27°C (81°F)	319 mm (12.6 inches)	89%	extreme
November Weather	27°C (81°F)	379 mm (14.9 inches)	88%	extreme
December Weather	27°C (81°F)	328 mm (12.9 inches)	88%	extreme