January Weather in Rosario, Philippines

Last updated: August 27, 2025

In Rosario, Philippines, the average temperature in January hovers around 26°C (79°F), with a minimum of 23°C (73°F) and a maximum reaching 31°C (87°F). Expect some rain, with an average precipitation of 58 mm (2.3 in) over approximately 5 days. Don't forget to prepare for the humidity, which averages a comfortable 76%. Enjoy your time!

January Temperature in Rosario

In January in Rosario, the average temperature is 26°C (79°F), with maximums reaching 31°C (87°F) and minimums dropping to as low as 23°C (73°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and comfortable conditions.

January Weather in Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario, January typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (87°F) and lows dropping to around 23°C (73°F).

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

January Precipitation in Rosario

In Rosario in January, the precipitation amount is 58 mm (2.3 in) over the course of 5 days.

January Precipitation Trends in Rosario

The chart displays monthly precipitation patterns in Rosario, 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 Rosario, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Rosario

In Rosario in January humidity is 76%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and requiring frequent breaks to hydrate and cool down during your travels.

January Average Humidity in Rosario

This chart illustrates the average monthly humidity levels in Rosario, 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 Rosario is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Rosario

In Rosario in January, 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 Rosario.

Maximum UV Index Levels in Rosario for January

The chart shows the monthly maximum UV Index (UVI) for Rosario 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 Rosario typically reaches 11, which falls under the extreme exposure category.

Data source: Rosario 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 Rosario Compares to Other Months

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

This table compares monthly weather conditions in Rosario, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	58 mm (2.3 inches)	76%	extreme
February Weather	26°C (80°F)	20 mm (0.8 inches)	71%	extreme
March Weather	28°C (82°F)	11 mm (0.4 inches)	68%	extreme
April Weather	29°C (84°F)	13 mm (0.5 inches)	69%	extreme
May Weather	29°C (85°F)	98 mm (3.8 inches)	76%	extreme
June Weather	29°C (84°F)	287 mm (11.3 inches)	87%	extreme
July Weather	28°C (82°F)	521 mm (20.5 inches)	88%	extreme
August Weather	28°C (82°F)	396 mm (15.6 inches)	89%	extreme
September Weather	28°C (82°F)	348 mm (13.7 inches)	89%	extreme
October Weather	28°C (82°F)	208 mm (8.2 inches)	86%	extreme
November Weather	28°C (82°F)	121 mm (4.8 inches)	89%	very high
December Weather	27°C (81°F)	138 mm (5.4 inches)	86%	very high