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Playa Hermosa Weather in May
May in Playa Hermosa sees daytime temperatures around 29°C (84°F) and lows of 25°C (77°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Playa Hermosa in May
Playa Hermosa is in the rainy season in May, with rain on around 17 days and an average of 517 mm (20 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Playa Hermosa in May
May in Playa Hermosa sees highs of 29°C (84°F) and lows of 25°C (77°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Playa Hermosa in May
The area enjoys a moderate level of sunlight, with around 183 hours. It's a good balance between sunny and rainy days.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Playa Hermosa. Our weather planner can help you explore destinations with more pleasant weather conditions.
Playa Hermosa Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
58%
Precipitation
517 mm (20 in)
Rainy days
17 days
Humidity
84% *
Sunshine
183 hours *
Percentage Sunshine
*
* Data from: Santamaria, Costa Rica (49 KM, 30 Miles).
Playa Hermosa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Playa Hermosa - and find the best time to visit.
Daily Historical Temperatures
43-year average (1977-2025)
Based on our historical records, temperatures in Playa Hermosa typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are pleasant, with lows around 20°C (68°F).
Average temperatures in May
Daily Historical Precipitation
43-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Playa Hermosa in May
Browse day-by-day weather records for Playa Hermosa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Playa Hermosa historical weather extremes in May
Our historical data for Playa Hermosa spans 1997 to 2026, revealing these weather extremes.
- On May 25, 1998, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
- On May 29, 2008, Playa Hermosa saw its coldest May day with temperatures maxing out at 19°C (66°F).
- The lowest overnight temperature recorded in May was 16°C (61°F) (May 7, 2013).
- Peak precipitation in May occurred on May 15, 2001, when 156 mm (6.1 in) of precipitation was measured.
Best Places in Costa Rica in May
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica 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 Playa Hermosa in May
Warm but pleasant conditions in Playa Hermosa 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. Bring sunglasses since you'll have some sunny periods throughout the month
Playa Hermosa 3-Day Forecast
More climate data for Playa Hermosa
Temperature Rainfall Sunshine Humidity
See the full Playa Hermosa climate overview or explore weather in Costa Rica.
Popular in May
Where to go in May - average daytime high across popular destinations.
Tamarindo
32°C (90°F) Santa Teresa29°C (84°F) Cahuita29°C (84°F) Fortuna29°C (84°F) Herradura29°C (84°F) Puerto Viejo de Talamanca29°C (84°F) Jacó29°C (84°F) San José25°C (77°F) Bucket list
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