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July Weather in Rio Grande, Puerto Rico

Last updated: August 31, 2025

In Rio Grande, Puerto Rico, the average temperature in July hovers around 28°C (82°F), with minimums dipping to 24°C (76°F) and maximums reaching up to 30°C (87°F). Expect precipitation of about 110 mm (4.3 in) over the course of 24 days, while the average humidity remains high at 80%.

July Temperature in Rio Grande

In July in Rio Grande, the average temperature is 28°C (82°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as 24°C (76°F). This pleasant climate makes Rio Grande an ideal destination for travelers seeking warm and comfortable weather.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (82°F), with highs reaching up to 30°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.

July Precipitation in Rio Grande

In Rio Grande in July, the precipitation amount is 110 mm (4.3 in) over a period of 24 days.

July Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Rio Grande, July typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec49526355746911011115414111268
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Rio Grande

In Rio Grande in July, humidity is 80%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities sweaty and demanding frequent breaks in the shade while traveling.

July Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Rio Grande is approximately 80%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Rio Grande

In Rio Grande in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Rio Grande in July, 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 July, the maximum UV index in Rio Grande typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Rio Grande July 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 July 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 July’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 July’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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