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Jarealito Weather in May

Thinking of visiting Jarealito in May? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 23°C (73°F) at night, and be prepared for the wettest month of the year.

Rainfall in Jarealito in May

Expect frequent, heavy rain this month, marking the peak rainfall period. A poncho will help protect you from getting soaked. Historically, the month has about 15 days of rain, averaging 170 mm (6.7 in) in total. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Jarealito in May

Temperatures in Jarealito in May top out at 30°C (86°F) and drop to 23°C (73°F) overnight. It's usually most comfortable outside during the morning and later in the day. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Jarealito in May

The month enjoys around 255 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Jarealito. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Jarealito's climate page.

Jarealito Temperature in May

Min TemperatureMin Temperature 23°C (73°F)  
Max TemperatureMax Temperature 30°C (86°F)  
Chance of RainChance of Rain 50%  
PrecipitationPrecipitation 170 mm (6.7 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 75% *  
SunshineSunshine 255 hours *  
Percentage SunshinePercentage Sunshine 63% *  
* Data from: San Juan, Puerto Rico (73 KM, 45 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Jarealito typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in May

Historical weather for Jarealito in May

Browse day-by-day weather records for Jarealito spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Jarealito historical weather extremes in May

Based on weather observations in Jarealito between 1976 and 2026, these are the recorded extremes during May.

  • On May 11, 1980, temperatures climbed to 36°C (97°F), marking the warmest May day on record.
  • The lowest daytime temperature in May was 25°C (77°F), recorded on May 10, 2014.
  • Nighttime temperatures dropped to 20°C (68°F) on May 9, 1989, marking the coldest May night on record.

Best Places in Puerto Rico in May

Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in May →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Jarealito in May

Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Jarealito in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Jarealito's climate page.

More climate data for Jarealito