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January Weather in Puerto Rico, Peru

Last updated: August 27, 2025

In January, the average temperature in Puerto Rico, Peru is a delightful 26°C (78°F). Expect minimum temperatures to drop to 20°C (68°F), while maximums can soar up to 35°C (96°F). With an average humidity of 80% and precipitation totaling 252 mm (9.9 in) over approximately 21 days, be prepared for some wet weather amidst the warmth!

January Temperature in Puerto Rico

In January in Puerto Rico, the average temperature is 26°C (78°F), with maximums reaching 35°C (96°F) and minimums dropping to as low as 20°C (68°F). This mild and warm climate makes Puerto Rico an ideal destination for travelers seeking pleasant weather and outdoor adventures.

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 (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878787777767779797979
Data source: Temperature data for Puerto Rico generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Puerto Rico

In Puerto Rico in January, the precipitation amount is 252 mm (9.9 in) spread over 21 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 252 mm (9.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec2522493462532251761238379167261230
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Puerto Rico

In Puerto Rico in January, humidity is 80%. With an average temperature of 26°C (78°F), this humidity feels like a warm blanket enveloping you, making travel a bit sticky yet vibrant, as you experience the lively atmosphere infused with the scent of tropical blooms and the soothing presence of nearby water.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%76%81%86%86%70%47%37%42%62%76%89%
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.
JanFebMarAprMayJunJulAugSepOctNovDec151616161312111214151414
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.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)252 mm (9.9 inches)80%extreme
February Weather26°C (79°F)249 mm (9.8 inches)76%extreme
March Weather25°C (78°F)345 mm (13.6 inches)81%extreme
April Weather25°C (78°F)253 mm (10.0 inches)86%extreme
May Weather25°C (78°F)225 mm (8.9 inches)86%extreme
June Weather25°C (77°F)176 mm (6.9 inches)70%extreme
July Weather24°C (76°F)123 mm (4.8 inches)47%extreme
August Weather25°C (78°F)83 mm (3.3 inches)37%extreme
September Weather26°C (79°F)79 mm (3.1 inches)42%extreme
October Weather26°C (79°F)167 mm (6.6 inches)62%extreme
November Weather26°C (79°F)261 mm (10.3 inches)76%extreme
December Weather26°C (79°F)230 mm (9.0 inches)89%extreme

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