January Weather in Puerto Rico, Argentina

Last updated: August 22, 2025

In Puerto Rico, Argentina, the average temperature in January hovers around 26°C (79°F). However, temperatures can vary significantly, with a minimum of 14°C (58°F) and soaring up to a stifling 40°C (105°F). Expect about 170 mm (6.7 in) of precipitation spread over 15 days, contributing to an average humidity level of 77%. Stay prepared for a mix of warm days and occasional rain during your visit!

January Temperature in Puerto Rico

In January in Puerto Rico, the average temperature is 26°C (79°F). The maximum can reach 40°C (105°F), while the minimum can drop to as low as 14°C (58°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities, ensuring you're prepared for both warm and cooler moments.

January Weather in Puerto Rico: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Puerto Rico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Rico, January typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (105°F) and lows dropping to around 14°C (58°F).

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

January Precipitation in Puerto Rico

In Puerto Rico in January, the total precipitation amount is 170 mm (6.7 in) over the course of 15 days.

January Precipitation Trends in Puerto Rico

The chart displays monthly precipitation patterns in Puerto Rico, 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 Puerto Rico, January typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 15 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Puerto Rico

In Puerto Rico in January humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

January Average Humidity in Puerto Rico

This chart illustrates the average monthly humidity levels in Puerto Rico, 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 Puerto Rico is approximately 77%, 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 Puerto Rico

In Puerto Rico in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Puerto Rico.

Maximum UV Index Levels in Puerto Rico for January

The chart shows the monthly maximum UV Index (UVI) for Puerto Rico 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 Puerto Rico typically reaches 15, which falls under the extreme exposure category.

Data source: Puerto Rico 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 Puerto Rico Compares to Other Months

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

This table compares monthly weather conditions in Puerto Rico, 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)	170 mm (6.7 inches)	77%	extreme
February Weather	25°C (78°F)	103 mm (4.0 inches)	71%	extreme
March Weather	24°C (76°F)	109 mm (4.3 inches)	74%	extreme
April Weather	22°C (71°F)	96 mm (3.8 inches)	82%	very high
May Weather	18°C (65°F)	194 mm (7.6 inches)	82%	high
June Weather	17°C (62°F)	116 mm (4.5 inches)	73%	moderate
July Weather	16°C (61°F)	76 mm (3.0 inches)	67%	high
August Weather	18°C (64°F)	54 mm (2.1 inches)	49%	high
September Weather	21°C (71°F)	100 mm (3.9 inches)	54%	very high
October Weather	22°C (73°F)	192 mm (7.6 inches)	58%	extreme
November Weather	24°C (76°F)	145 mm (5.7 inches)	69%	extreme
December Weather	26°C (78°F)	112 mm (4.4 inches)	84%	extreme