December Weather in Isulan, Philippines

Last updated: August 27, 2025

In Isulan, Philippines, the weather during December is quite warm, with an average temperature of 28°C (82°F). Expect temperatures to range from a minimum of 21°C (71°F) to a maximum of 36°C (97°F). This month sees a precipitation amount of 149 mm (5.9 in) over 21 days, contributing to an average humidity of 86%. Be prepared for a mix of warmth and occasional rain!

December Temperature in Isulan

In December in Isulan, the average temperature is 28°C (82°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as 21°C (71°F). Overall, this makes it a great time for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates December temperature patterns in Isulan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isulan, December typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (71°F).

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

December Precipitation in Isulan

In Isulan in December, the total precipitation amount is 149 mm (5.9 in) spread over 21 days.

December Precipitation Trends in Isulan

The chart displays monthly precipitation patterns in Isulan, 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 Isulan, December typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 21 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 Isulan

In Isulan in December, humidity is 86%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making travel quite challenging as you navigate the thick, moisture-laden air that can leave you feeling sticky and fatigued.

December Average Humidity in Isulan

This chart illustrates the average monthly humidity levels in Isulan, 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 Isulan 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 Isulan

In Isulan 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 Isulan.

Maximum UV Index Levels in Isulan for December

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

Data source: Isulan 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 Isulan Compares to Other Months

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

This table compares monthly weather conditions in Isulan, 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)	152 mm (6.0 inches)	85%	extreme
February Weather	27°C (81°F)	101 mm (4.0 inches)	84%	extreme
March Weather	28°C (83°F)	128 mm (5.0 inches)	82%	extreme
April Weather	29°C (84°F)	116 mm (4.6 inches)	79%	extreme
May Weather	28°C (83°F)	259 mm (10.2 inches)	81%	extreme
June Weather	28°C (82°F)	254 mm (10.0 inches)	84%	extreme
July Weather	27°C (81°F)	269 mm (10.6 inches)	83%	extreme
August Weather	27°C (82°F)	216 mm (8.5 inches)	84%	extreme
September Weather	28°C (82°F)	205 mm (8.1 inches)	87%	extreme
October Weather	28°C (82°F)	270 mm (10.6 inches)	82%	extreme
November Weather	28°C (82°F)	172 mm (6.8 inches)	83%	extreme
December Weather	28°C (82°F)	149 mm (5.9 inches)	86%	extreme