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April Weather in Rio Grande, Puerto Rico

Last updated: August 31, 2025

In April, the average temperature in Rio Grande, Puerto Rico reaches an inviting 26°C (78°F). Visitors can expect a minimum of 22°C (73°F) and a maximum of 29°C (85°F), perfect for outdoor activities. However, be prepared for occasional rain, as precipitation averages 55 mm (2.2 in) over 17 days. With an average humidity of 75%, the air is pleasantly warm, making this destination a delightful choice for travelers.

April Temperature in Rio Grande

In April in Rio Grande, the average temperature is 26°C (78°F), with maximums reaching 29°C (85°F) and minimums dropping as low as 22°C (73°F). This pleasant climate makes it an ideal time for traveling and exploring the area.

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

The chart illustrates April 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, April typically has an average temperature of 26°C (78°F), with highs reaching up to 29°C (85°F) and lows dropping to around 22°C (73°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.

April Precipitation in Rio Grande

In Rio Grande in April, the precipitation amount reaches 55 mm (2.2 in) over the course of 17 days.

April Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Rio Grande, April typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec49526355746911011115414111268
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Rio Grande

In Rio Grande in April, humidity is 75%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit challenging, as the air can feel heavy and sticky, often leading to a need for frequent breaks to hydrate and find cooler spots to relax.

April Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Rio Grande is approximately 75%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Rio Grande

In Rio Grande in April, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Rio Grande.

Maximum UV Index Levels in Rio Grande for April

The chart shows the monthly maximum UV Index (UVI) for Rio Grande in April, 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 April, the maximum UV index in Rio Grande typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Rio Grande April 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 April 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 April’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 April’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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