nomadseason

January Weather in San Isidro, Philippines

Last updated: August 27, 2025

In San Isidro, Philippines, the average temperature in January is a pleasant 26°C (79°F). Expect a minimum of 24°C (75°F) and a maximum reaching 28°C (83°F). Rain is also likely, with an average precipitation of 227 mm (8.9 in) spread over 18 days. The air remains humid, with an average humidity of 82%, creating a tropical atmosphere.

January Temperature in San Isidro

In January in San Isidro, the average temperature is a pleasant 26°C (79°F). Maximums can reach up to 28°C (83°F), while minimums can dip to as low as 24°C (75°F). This mild climate makes it an ideal time to explore and enjoy outdoor activities.

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

The chart illustrates January temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, January typically has an average temperature of 26°C (79°F), with highs reaching up to 28°C (83°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec797879808282818281818180
Data source: Temperature data for San Isidro 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 Isidro

In San Isidro in January, the precipitation amount is 227 mm (8.9 in) accumulated over 18 days.

January Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, 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 Isidro, January typically receives around 227 mm (8.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec227129919090191333272290242196359
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in San Isidro

In San Isidro in January, humidity is 82%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket that envelops you, making outdoor activities feel more taxing and requiring frequent breaks to stay hydrated.

January Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, 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 Isidro is approximately 82%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in San Isidro

In San Isidro in January, 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 San Isidro.

Maximum UV Index Levels in San Isidro for January

The chart shows the monthly maximum UV Index (UVI) for San Isidro 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 Isidro typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315161414141415131111
Data source: San Isidro 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 Isidro Compares to Other Months

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

This table compares monthly weather conditions in San Isidro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)227 mm (8.9 inches)82%extreme
February Weather26°C (78°F)129 mm (5.1 inches)78%extreme
March Weather26°C (79°F)91 mm (3.6 inches)77%extreme
April Weather27°C (81°F)90 mm (3.5 inches)79%extreme
May Weather28°C (82°F)90 mm (3.6 inches)83%extreme
June Weather28°C (82°F)191 mm (7.5 inches)86%extreme
July Weather27°C (81°F)333 mm (13.1 inches)87%extreme
August Weather28°C (82°F)271 mm (10.7 inches)87%extreme
September Weather27°C (82°F)290 mm (11.4 inches)88%extreme
October Weather27°C (81°F)242 mm (9.5 inches)85%extreme
November Weather27°C (81°F)196 mm (7.7 inches)89%extreme
December Weather26°C (80°F)359 mm (14.1 inches)89%extreme

Compare San Isidro's Climate with Cities Worldwide