nomadseason

December Weather in San Mariano, Philippines

Last updated: August 27, 2025

In December, the average temperature in San Mariano, Philippines is a pleasant 24°C (76°F), with daily highs soaring up to 32°C (89°F) and lows dropping to a comfortable 18°C (65°F). Expect 215 mm (8.5 in) of precipitation over approximately 21 days, contributing to an average humidity of 85% — perfect conditions for lush landscapes and vibrant flora.

December Temperature in San Mariano

In December in San Mariano, the average temperature is 24°C (76°F). Maximums can reach 32°C (89°F), and minimums can be as low as 18°C (65°F). This pleasant weather makes San Mariano an ideal destination for travelers looking to enjoy a comfortable climate.

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

The chart illustrates December temperature patterns in San Mariano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Mariano, December typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (89°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec747477808384828281797876
Data source: Temperature data for San Mariano generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in San Mariano

In San Mariano in December, the precipitation amount is 215 mm (8.5 in) over a span of 21 days.

December Precipitation Trends in San Mariano

The chart displays monthly precipitation patterns in San Mariano, 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 Mariano, December typically receives around 215 mm (8.5 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec118926347111140285216212183230215
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in San Mariano

In San Mariano in December humidity is 85%. With an average temperature of 24°C (76°F), this humidity feels like walking through a warm, thick blanket that envelops you, making every step slightly more laborious and prompting a constant desire for refreshing coolness while exploring.

December Average Humidity in San Mariano

This chart illustrates the average monthly humidity levels in San Mariano, 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 Mariano is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%71%73%77%85%86%87%87%86%89%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Mariano

In San Mariano in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Mariano.

Maximum UV Index Levels in San Mariano for December

The chart shows the monthly maximum UV Index (UVI) for San Mariano 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 Mariano typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141415141413119
Data source: San Mariano 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 Mariano Compares to Other Months

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

This table compares monthly weather conditions in San Mariano, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)118 mm (4.6 inches)77%extreme
February Weather23°C (74°F)92 mm (3.6 inches)73%extreme
March Weather25°C (78°F)62 mm (2.5 inches)71%extreme
April Weather27°C (80°F)47 mm (1.9 inches)73%extreme
May Weather28°C (83°F)111 mm (4.4 inches)77%extreme
June Weather29°C (85°F)140 mm (5.5 inches)85%extreme
July Weather28°C (83°F)285 mm (11.2 inches)86%extreme
August Weather28°C (82°F)216 mm (8.5 inches)87%extreme
September Weather27°C (81°F)212 mm (8.3 inches)87%extreme
October Weather26°C (80°F)183 mm (7.2 inches)86%extreme
November Weather26°C (78°F)230 mm (9.0 inches)89%extreme
December Weather24°C (76°F)215 mm (8.5 inches)85%very high

Compare San Mariano's Climate with Cities Worldwide