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Manati Weather in May
May in Manati brings very high temperatures, with highs of 30°C (86°F) and nights dropping to 23°C (73°F). Rainfall is on the higher side this month, averaging around 158 mm (6.2 in), so keep a rain jacket handy.
Rainfall in Manati in May
You can typically expect 16 days of rain this month, averaging around 158 mm (6.2 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Manati in May
Temperatures in Manati in May top out at 30°C (86°F) and drop to 23°C (73°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Manati in May
The days are predominantly sunny, with an estimated total of around 255 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Manati. Our weather planner can help you explore destinations with more pleasant weather conditions.
Manati Temperature in May
Min Temperature
23°C (73°F)
Max Temperature
30°C (86°F)
Chance of Rain
52%
Precipitation
158 mm (6.2 in)
Rainy days
16 days
Humidity
75% *
Sunshine
255 hours *
Percentage Sunshine
63% *
* Data from: San Juan, Puerto Rico (51 KM, 32 Miles).
Manati Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Manati - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Manati typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in May
Historical weather records for Manati in May
Browse day-by-day weather records for Manati spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Manati historical weather extremes in May
Our historical data for Manati spans 1976 to 2026, revealing these weather extremes.
- 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.
- The coldest night in May in Manati was on May 3, 1991, with a minimum of 19°C (66°F).
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 Manati in May
Warm but pleasant conditions in Manati in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Manati 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
Manati 3-Day Forecast
More climate data for Manati
Temperature Rainfall Sunshine Humidity
See the full Manati 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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