December Weather in Miri, Malaysia

Last updated: August 23, 2025

In December, the average temperature in Miri, Malaysia hovers around 27°C (80°F), with daytime highs reaching up to 30°C (86°F) and cooler nights dipping to a minimum of 25°C (77°F). Expect significant rainfall, with 323 mm (12.7 in) spread over 28 days, and a notable average humidity of 84%. Whether you’re packing your bags for a vacation or planning your activities, be prepared for a warm, humid month!

December Temperature in Miri

In December in Miri, the average temperature is 27°C (80°F), with maximums reaching 30°C (86°F) and minimums dipping to 25°C (77°F). This climate makes Miri an ideal destination for travelers looking for warm and pleasant weather.

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

The chart illustrates December temperature patterns in Miri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miri, December typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (77°F).

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

December Precipitation in Miri

In Miri in December, the total precipitation amount is 323 mm (12.7 in) over the course of 28 days.

December Precipitation Trends in Miri

The chart displays monthly precipitation patterns in Miri, 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 Miri, December typically receives around 323 mm (12.7 inches) of precipitation spread over approximately 28 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 Miri

In Miri in December, humidity is 84%. With an average temperature of 27°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel sluggish and exhausting.

December Average Humidity in Miri

This chart illustrates the average monthly humidity levels in Miri, 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 Miri is approximately 84%, 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 Miri

In Miri 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 Miri.

Maximum UV Index Levels in Miri for December

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

Data source: Miri 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 Miri Compares to Other Months

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

This table compares monthly weather conditions in Miri, 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 (80°F)	192 mm (7.6 inches)	86%	extreme
February Weather	26°C (80°F)	108 mm (4.3 inches)	87%	extreme
March Weather	27°C (80°F)	103 mm (4.1 inches)	87%	extreme
April Weather	27°C (81°F)	161 mm (6.3 inches)	84%	extreme
May Weather	28°C (82°F)	168 mm (6.6 inches)	80%	extreme
June Weather	28°C (82°F)	249 mm (9.8 inches)	81%	extreme
July Weather	28°C (82°F)	193 mm (7.6 inches)	80%	extreme
August Weather	28°C (82°F)	193 mm (7.6 inches)	82%	extreme
September Weather	27°C (81°F)	255 mm (10.1 inches)	85%	extreme
October Weather	27°C (81°F)	276 mm (10.9 inches)	81%	extreme
November Weather	27°C (81°F)	277 mm (10.9 inches)	81%	extreme
December Weather	27°C (80°F)	323 mm (12.7 inches)	84%	extreme