Potrero Weather in May
In Potrero, May brings very high daytime temperatures around 31°C (88°F), with nights cooling to 26°C (79°F). Expect quite a bit of rainfall this month.
Rainfall in Potrero in May
The climate data from previous years indicates about 17 days of rain, averaging 210 mm (8.3 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Potrero in May
May in Potrero sees highs of 31°C (88°F) and lows of 26°C (79°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. At 26°C (79°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Potrero in May
With approximately 204 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.May in Potrero has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Potrero's climate page.
Potrero Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Chance of Rain
57%
Precipitation
210 mm (8.3 in)
Rainy days
17 days
Humidity
73% *
Sunshine
204 hours *
Percentage Sunshine
*
Daily Historical Temperatures
32-year average (1987-2025)
Based on our historical records, temperatures in Potrero typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
32-year average (1987-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Potrero in May
Browse day-by-day weather records for Potrero spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Potrero historical weather extremes in May
Based on weather observations in Potrero between 2001 and 2026, these are the recorded extremes during May.
- On May 2, 2001, temperatures climbed to 38°C (100°F), marking the warmest May day on record.
- Potrero experienced its chilliest May day on May 20, 2004, reaching only 25°C (77°F).
- The lowest overnight temperature recorded in May was 20°C (68°F) (May 17, 2021).
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 →
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What to Wear in Potrero 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Potrero in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Potrero's climate page.
Temperature Rainfall Sunshine Humidity
See the full Potrero climate overview or explore weather in Costa Rica.
