January Weather in Juana Diaz, Puerto Rico

Last updated: August 31, 2025

In January, the average temperature in Juana Diaz, Puerto Rico hovers around 24°C (75°F), creating a pleasant atmosphere for exploration. Expect a minimum of 18°C (65°F) and a maximum of 27°C (81°F), ideal for outdoor activities. However, be prepared for some rain, with precipitation totaling 26 mm (1.0 in) over 10 days. The average humidity rests at a comfortable 76%, ensuring a wonderfully vibrant climate for your adventures!

January Temperature in Juana Diaz

In January in Juana Diaz, the average temperature is 24°C (75°F). Maximum can reach 27°C (81°F) and minimum can be as low as 18°C (65°F). This pleasant weather makes it an ideal time for traveling and exploring the sights of Juana Diaz.

January Weather in Juana Diaz: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Juana Diaz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Juana Diaz, January typically has an average temperature of 24°C (75°F), with highs reaching up to 27°C (81°F) and lows dropping to around 18°C (65°F).

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

January Precipitation in Juana Diaz

In Juana Diaz in January, the precipitation amount is 26 mm (1.0 in) spread over 10 days.

January Precipitation Trends in Juana Diaz

The chart displays monthly precipitation patterns in Juana Diaz, 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 Juana Diaz, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 10 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 Juana Diaz

In Juana Diaz in January, humidity is 76%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities feel a bit sluggish and urging you to seek shade and hydration.

January Average Humidity in Juana Diaz

This chart illustrates the average monthly humidity levels in Juana Diaz, 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 Juana Diaz 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 Juana Diaz

In Juana Diaz in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Juana Diaz.

Maximum UV Index Levels in Juana Diaz for January

The chart shows the monthly maximum UV Index (UVI) for Juana Diaz 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 Juana Diaz typically reaches 9, which falls under the very high exposure category.

Data source: Juana Diaz 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 Juana Diaz Compares to Other Months

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

This table compares monthly weather conditions in Juana Diaz, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	26 mm (1.0 inches)	76%	very high
February Weather	24°C (75°F)	28 mm (1.1 inches)	75%	extreme
March Weather	24°C (75°F)	53 mm (2.1 inches)	75%	extreme
April Weather	24°C (76°F)	50 mm (2.0 inches)	76%	extreme
May Weather	25°C (77°F)	62 mm (2.4 inches)	76%	extreme
June Weather	26°C (79°F)	55 mm (2.2 inches)	78%	extreme
July Weather	26°C (80°F)	83 mm (3.3 inches)	81%	extreme
August Weather	27°C (80°F)	89 mm (3.5 inches)	80%	extreme
September Weather	26°C (80°F)	158 mm (6.2 inches)	79%	extreme
October Weather	26°C (79°F)	115 mm (4.5 inches)	78%	extreme
November Weather	25°C (78°F)	88 mm (3.5 inches)	78%	very high
December Weather	25°C (76°F)	31 mm (1.2 inches)	77%	very high