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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.
Jarealito Temperature in May
Min Temperature
23°C (73°F)
Max Temperature
30°C (86°F)
Chance of Rain
50%
Precipitation
170 mm (6.7 in)
Rainy days
15 days
Humidity
75% *
Sunshine
255 hours *
Percentage Sunshine
63% *
* Data from: San Juan, Puerto Rico (73 KM, 45 Miles).
Jarealito Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jarealito - and find the best time to visit.
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 records 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 →
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.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Jarealito 3-Day Forecast
More climate data for Jarealito
Temperature Rainfall Sunshine Humidity
See the full Jarealito climate overview or explore weather in Puerto Rico.
Popular in May
Where to go in May - average daytime high across popular destinations.
San Juan
30°C (86°F) Rio Grande29°C (84°F) Aguada
29°C (84°F) Luquillo29°C (84°F) Culebra28°C (82°F) Rincon29°C (84°F) Vieques
28°C (82°F) Fajardo29°C (84°F) Bucket list
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