Puerto Manzanillo Weather in May
Thinking of visiting Puerto Manzanillo in May? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 25°C (77°F) at night. Heavy showers are common during the rainy season.
Rainfall in Puerto Manzanillo in May
As part of the rainy season, Puerto Manzanillo sees around 18 days of rain in May, with an average of 389 mm (15 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Puerto Manzanillo in May
Temperatures in Puerto Manzanillo in May top out at 29°C (84°F) and drop to 25°C (77°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Puerto Manzanillo in May
The month experiences a moderate amount of sunlight, with 171 hours of sunshine. This provides a nice balance between sunshine and rain.May in Puerto Manzanillo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Puerto Manzanillo's climate page.
Puerto Manzanillo Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
58%
Precipitation
389 mm (15 in)
Rainy days
18 days
Humidity
87% *
Sunshine
171 hours *
Percentage Sunshine
*
Daily Historical Temperatures
34-year average (1982-2025)
Based on our historical records, temperatures in Puerto Manzanillo 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
Daily Historical Precipitation
34-year average (1982-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Puerto Manzanillo in May
Browse day-by-day weather records for Puerto Manzanillo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Manzanillo historical weather extremes in May
The extremes listed below come from historical weather data collected in Puerto Manzanillo from 2001 through 2026.
- The hottest May day on record in Puerto Manzanillo reached 35°C (95°F) (May 27, 2005).
- On May 14, 2003, Puerto Manzanillo saw its coldest May day with temperatures maxing out at 24°C (75°F).
- The coldest night in May in Puerto Manzanillo was on May 4, 2019, with a minimum of 13°C (55°F).
- The wettest May day on record brought 217 mm (8.5 in) of precipitation to Puerto Manzanillo (May 12, 2009).
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
What to Wear in Puerto Manzanillo in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Puerto Manzanillo 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 Puerto Manzanillo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Puerto Manzanillo climate overview or explore weather in Costa Rica.
