nomadseason

December Weather in San Jose, Philippines

Last updated: August 27, 2025

In December, the average temperature in San Jose, Philippines hovers around 26°C (80°F), with a comfortable minimum of 23°C (73°F) and a warm maximum of 31°C (87°F). Expect significant precipitation during this month, with 411 mm (16.2 in) falling over 29 days. Additionally, the average humidity is quite high at 89%, contributing to a distinct, tropical feel.

December Temperature in San Jose

In December in San Jose, the average temperature is 26°C (80°F), with maximums reaching 31°C (87°F) and minimums dropping to as low as 23°C (73°F). This pleasant climate makes San Jose an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, December typically has an average temperature of 26°C (80°F), with highs reaching up to 31°C (87°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec787880818383828282818179
Data source: Temperature data for San Jose 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 Jose

In San Jose in December, the total precipitation amount is 411 mm (16.2 in) recorded over a span of 29 days.

December Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 Jose, December typically receives around 411 mm (16.2 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec307157131113173252330297340306307411
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in San Jose

In San Jose in December, humidity is 89%. With an average temperature of 26°C (80°F), this humidity feels like a warm, sticky embrace, making travel feel exhausting as the air clings to your skin and saps your energy, urging you to seek shade and refreshment at every turn.

December Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 Jose is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%78%77%79%83%86%87%87%88%85%89%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Jose

In San Jose 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 Jose.

Maximum UV Index Levels in San Jose for December

The chart shows the monthly maximum UV Index (UVI) for San Jose 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 Jose typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414141415131111
Data source: San Jose 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 Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)307 mm (12.1 inches)82%extreme
February Weather25°C (78°F)157 mm (6.2 inches)78%extreme
March Weather26°C (80°F)131 mm (5.1 inches)77%extreme
April Weather27°C (81°F)113 mm (4.4 inches)79%extreme
May Weather28°C (83°F)173 mm (6.8 inches)83%extreme
June Weather28°C (83°F)252 mm (9.9 inches)86%extreme
July Weather28°C (82°F)330 mm (13.0 inches)87%extreme
August Weather28°C (82°F)297 mm (11.7 inches)87%extreme
September Weather28°C (82°F)340 mm (13.4 inches)88%extreme
October Weather27°C (81°F)306 mm (12.1 inches)85%extreme
November Weather27°C (81°F)307 mm (12.1 inches)89%extreme
December Weather26°C (80°F)411 mm (16.2 inches)89%extreme

Compare San Jose's Climate with Cities Worldwide