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May Weather in Juncal, Puerto Rico

Last updated: August 31, 2025

In Juncal, Puerto Rico, the average temperature in May is a comfortable 26°C (79°F). Expect a minimum of 22°C (71°F) and a maximum of 31°C (88°F), offering a warm climate. However, prepare for some rain, as you'll see an average precipitation of 95 mm (3.7 in) over 20 days. With an average humidity of 75%, make sure to stay hydrated and enjoy the vibrant atmosphere!

May Temperature in Juncal

In May in Juncal, the average temperature is 26°C (79°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 22°C (71°F). This pleasant weather makes Juncal an ideal destination for travelers seeking warmth and comfort during their visit.

May Weather in Juncal: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Juncal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Juncal, May typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (88°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec767675777880818180797877
Data source: Temperature data for Juncal 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.

May Precipitation in Juncal

In Juncal in May, the precipitation amount is 95 mm (3.7 in) over a span of 20 days.

May Precipitation Trends in Juncal

The chart displays monthly precipitation patterns in Juncal, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Juncal, May typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec2233687295851031061921229828
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Juncal

In Juncal in May, humidity is 75%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making traveling a sticky experience where every step requires extra effort and frequent breaks to cool off.

May Average Humidity in Juncal

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

May UV Index in Juncal

In Juncal in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Juncal, you can check here.

Maximum UV Index Levels in Juncal for May

The chart shows the monthly maximum UV Index (UVI) for Juncal in May, 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 May, the maximum UV index in Juncal typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: Juncal May 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 May Weather in Juncal Compares to Other Months

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

This table compares monthly weather conditions in Juncal, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)22 mm (0.9 inches)76%very high
February Weather24°C (76°F)33 mm (1.3 inches)75%extreme
March Weather24°C (76°F)68 mm (2.7 inches)74%extreme
April Weather25°C (77°F)72 mm (2.8 inches)75%extreme
May Weather26°C (79°F)95 mm (3.7 inches)75%extreme
June Weather27°C (80°F)85 mm (3.4 inches)77%extreme
July Weather27°C (81°F)103 mm (4.1 inches)80%extreme
August Weather27°C (81°F)106 mm (4.2 inches)80%extreme
September Weather27°C (80°F)192 mm (7.6 inches)79%extreme
October Weather26°C (79°F)122 mm (4.8 inches)78%extreme
November Weather26°C (78°F)98 mm (3.9 inches)78%very high
December Weather25°C (77°F)28 mm (1.1 inches)76%very high

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