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October Weather in Puerto Rico, Mexico

Last updated: August 27, 2025

In Puerto Rico, Mexico, the average temperature in October is a warm 27°C (81°F). Expect a minimum of 21°C (70°F) and a maximum of 34°C (93°F), creating a pleasant climate. However, be prepared for 21 days of rain, with a total precipitation of 247 mm (9.7 in), resulting in an average humidity of 82%.

October Temperature in Puerto Rico

In October in Puerto Rico, the average temperature is 27°C (81°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 21°C (70°F). This pleasant climate makes Puerto Rico an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates October 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, October typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec757881848784848483817876
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.

October Precipitation in Puerto Rico

In Puerto Rico in October, the precipitation amount is 247 mm (9.7 in) during a span of 21 days.

October Precipitation Trends in Puerto Rico

The chart displays monthly precipitation patterns in Puerto Rico, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Puerto Rico, October typically receives around 247 mm (9.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec45181726532728211920024712047
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Puerto Rico

In Puerto Rico in October humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

October Average Humidity in Puerto Rico

This chart illustrates the average monthly humidity levels in Puerto Rico, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Puerto Rico is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Puerto Rico

In Puerto Rico in October, 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 Puerto Rico.

Maximum UV Index Levels in Puerto Rico for October

The chart shows the monthly maximum UV Index (UVI) for Puerto Rico in October, 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 October, the maximum UV index in Puerto Rico typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313121198
Data source: Puerto Rico October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)45 mm (1.8 inches)78%very high
February Weather26°C (78°F)18 mm (0.7 inches)73%extreme
March Weather27°C (81°F)17 mm (0.7 inches)64%extreme
April Weather29°C (85°F)25 mm (1.0 inches)61%extreme
May Weather30°C (87°F)53 mm (2.1 inches)59%extreme
June Weather29°C (84°F)272 mm (10.7 inches)59%extreme
July Weather29°C (84°F)82 mm (3.2 inches)64%extreme
August Weather29°C (84°F)118 mm (4.7 inches)76%extreme
September Weather28°C (83°F)200 mm (7.9 inches)80%extreme
October Weather27°C (81°F)247 mm (9.7 inches)82%extreme
November Weather26°C (78°F)120 mm (4.7 inches)83%very high
December Weather24°C (76°F)47 mm (1.9 inches)84%very high

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