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October Weather in Rio Grande, Puerto Rico

Last updated: August 31, 2025

In Rio Grande, Puerto Rico, the average temperature in October is a pleasant 27°C (82°F). Expect minimums of around 24°C (76°F) and maximums reaching 31°C (87°F). However, be prepared for some rain, as the region receives an average precipitation amount of 140 mm (5.5 in) over 22 days in the month, accompanied by a humidity level of 78%.

October Temperature in Rio Grande

In October in Rio Grande, the average temperature is 27°C (82°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as 24°C (76°F). This pleasant climate makes Rio Grande an ideal destination for travelers seeking warmth and comfort.

October Weather in Rio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Rio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande, October typically has an average temperature of 27°C (82°F), with highs reaching up to 31°C (87°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777788081828282818079
Data source: Temperature data for Rio Grande 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 Rio Grande

In Rio Grande in October, the total precipitation amount is 140 mm (5.5 in) spread over 22 days.

October Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, 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 Rio Grande, October typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec49526355746911011115414111268
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Rio Grande

In Rio Grande in October humidity is 78%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a sweaty affair and requiring frequent breaks for hydration.

October Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, 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 Rio Grande is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Rio Grande

In Rio Grande in October, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Rio Grande.

Maximum UV Index Levels in Rio Grande for October

The chart shows the monthly maximum UV Index (UVI) for Rio Grande 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 Rio Grande typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Rio Grande 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 Rio Grande Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)49 mm (1.9 inches)76%very high
February Weather25°C (77°F)52 mm (2.1 inches)75%extreme
March Weather25°C (77°F)63 mm (2.5 inches)74%extreme
April Weather26°C (78°F)55 mm (2.2 inches)75%extreme
May Weather26°C (80°F)74 mm (2.9 inches)75%extreme
June Weather27°C (81°F)69 mm (2.7 inches)77%extreme
July Weather28°C (82°F)110 mm (4.3 inches)80%extreme
August Weather28°C (82°F)111 mm (4.4 inches)80%extreme
September Weather28°C (82°F)154 mm (6.0 inches)79%extreme
October Weather27°C (82°F)140 mm (5.5 inches)78%extreme
November Weather27°C (80°F)112 mm (4.4 inches)78%very high
December Weather26°C (79°F)68 mm (2.7 inches)76%very high

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