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The San Blas Islands are among the most beautiful islands in the Caribbean and perhaps even in the world. These tropical pearls are located in the north of Panama.
Portobelo Weather in May
Portobelo in May sees high temperatures, with highs around 29°C (84°F) and overnight lows of 25°C (77°F). With the rainy season in full effect, expect around 272 mm (11 in) of rainfall and regular showers throughout the month.
Rainfall in Portobelo in May
Portobelo is in the rainy season in May, with rain on around 19 days and an average of 272 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Portobelo in May
May in Portobelo brings high temperatures, with highs of 29°C (84°F) and nights around 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Portobelo in May
With about 129 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February and March typically offer the best weather for Portobelo.
Portobelo Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
63%
Precipitation
272 mm (11 in)
Rainy days
19 days
Humidity
78% *
Sunshine
129 hours *
Percentage Sunshine
*
* Data from: Tocumen, Panama (64 KM, 39 Miles).
Portobelo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portobelo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Portobelo typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in May
Historical weather records for Portobelo in May
Browse day-by-day weather records for Portobelo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Portobelo historical weather extremes in May
Based on 50 years of weather observations in Portobelo between 1976 and 2026, these are the recorded extremes.
- Portobelo recorded its highest May temperature of 37°C (99°F) on May 11, 2011.
- On May 24, 2001, Portobelo saw its coldest May day with temperatures maxing out at 25°C (77°F).
- The coldest night in May in Portobelo was on May 9, 2020, with a minimum of 16°C (61°F).
Best Places in Panama in May
Find out more about the weather in Panama and which places have the best travel conditions in this month. See all of Panama 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 Portobelo 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. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Portobelo in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Portobelo 3-Day Forecast
More climate data for Portobelo
Temperature Rainfall Sunshine Humidity
See the full Portobelo climate overview or explore weather in Panama.
Popular in May
Where to go in May - average daytime high across popular destinations.
Playa Blanca
30°C (86°F) Panama City30°C (86°F) Pedasí31°C (88°F) Santa Catalina30°C (86°F) Contadora29°C (84°F) Bastimentos30°C (86°F) Bocas del Toro30°C (86°F) Boquete27°C (81°F) Bucket list
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