nomadseason

January Weather in San Jose, Philippines

Last updated: August 27, 2025

In January, the average temperature in San Jose, Philippines is a warm 26°C (80°F). The temperature can dip to a minimum of 25°C (76°F) and rise to a comfortable 28°C (83°F). Expect 397 mm (15.6 in) of precipitation spread over 24 days, accompanied by a high average humidity of 86%. Prepare for a tropical vibe!

January Temperature in San Jose

In January in San Jose, the average temperature is 26°C (80°F). Maximum temperatures can reach 28°C (83°F), while the minimum can drop to as low as 25°C (76°F). This pleasant weather makes San Jose an ideal destination for travelers seeking a warm and comfortable getaway.

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

The chart illustrates January 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, January typically has an average temperature of 26°C (80°F), with highs reaching up to 28°C (83°F) and lows dropping to around 25°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980808182828282818180
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.

January Precipitation in San Jose

In San Jose in January, the precipitation amount is 397 mm (15.6 in) spread over 24 days.

January Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Jose, January typically receives around 397 mm (15.6 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec397281208129188189196141152244299494
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in San Jose

In San Jose in January humidity is 86%. With an average temperature of 26°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel exhausting and sticky, as sweat clings to your skin and every step becomes a laborious task in the sweltering conditions.

January Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Jose is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%87%87%82%79%80%80%83%79%82%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Jose

In San Jose in January, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Jose.

Maximum UV Index Levels in San Jose for January

The chart shows the monthly maximum UV Index (UVI) for San Jose in January, 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 January, the maximum UV index in San Jose typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131316161413141414141211
Data source: San Jose January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)397 mm (15.6 inches)86%extreme
February Weather26°C (79°F)281 mm (11.1 inches)85%extreme
March Weather26°C (80°F)208 mm (8.2 inches)87%extreme
April Weather27°C (81°F)129 mm (5.1 inches)87%extreme
May Weather27°C (82°F)188 mm (7.4 inches)82%extreme
June Weather28°C (82°F)189 mm (7.4 inches)79%extreme
July Weather28°C (82°F)196 mm (7.7 inches)80%extreme
August Weather28°C (83°F)141 mm (5.6 inches)80%extreme
September Weather28°C (82°F)152 mm (6.0 inches)83%extreme
October Weather27°C (81°F)244 mm (9.6 inches)79%extreme
November Weather27°C (81°F)299 mm (11.8 inches)82%extreme
December Weather27°C (80°F)494 mm (19.4 inches)86%extreme

Compare San Jose's Climate with Cities Worldwide