December Weather in San Fernando, Philippines

Last updated: August 27, 2025

In San Fernando, Philippines, the average temperature in December rests at a warm 27°C (81°F). Expect a minimum of 25°C (77°F) and a maximum of 29°C (84°F), making it a perfect time for enjoying outdoor activities. However, be prepared for considerable rainfall, with an average precipitation of 356 mm (14.0 in) spread over 28 days. The average humidity hovers at a steamy 86%, adding to the tropical feel of this vibrant locale.

December Temperature in San Fernando

In December in San Fernando, the average temperature is 27°C (81°F). Maximums can reach 29°C (84°F), while minimums can drop to 25°C (77°F). This mild and pleasant weather makes San Fernando an ideal destination for travelers seeking warmth and comfort.

December Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, December typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (84°F) and lows dropping to around 25°C (77°F).

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

December Precipitation in San Fernando

In San Fernando in December, the precipitation amount is 356 mm (14.0 in) over a duration of 28 days.

December Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, December typically receives around 356 mm (14.0 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 San Fernando

In San Fernando in December, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.

December Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando is approximately 86%, 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 San Fernando

In San Fernando in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Fernando.

Maximum UV Index Levels in San Fernando for December

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 San Fernando typically reaches 11, which falls under the extreme exposure category.

Data source: San Fernando 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 San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	212 mm (8.3 inches)	78%	extreme
February Weather	26°C (79°F)	87 mm (3.4 inches)	75%	extreme
March Weather	27°C (80°F)	81 mm (3.2 inches)	74%	extreme
April Weather	27°C (81°F)	57 mm (2.3 inches)	76%	extreme
May Weather	28°C (83°F)	169 mm (6.7 inches)	76%	extreme
June Weather	28°C (82°F)	329 mm (13.0 inches)	81%	extreme
July Weather	27°C (82°F)	475 mm (18.7 inches)	84%	extreme
August Weather	27°C (82°F)	335 mm (13.2 inches)	85%	extreme
September Weather	27°C (82°F)	351 mm (13.8 inches)	85%	extreme
October Weather	27°C (81°F)	404 mm (15.9 inches)	82%	extreme
November Weather	27°C (81°F)	323 mm (12.7 inches)	85%	extreme
December Weather	27°C (81°F)	356 mm (14.0 inches)	86%	extreme