Heredia Weather in May
Thinking of visiting Heredia in May? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 17°C (63°F) at night. Heavy showers are common during the rainy season.
Rainfall in Heredia in May
As part of the rainy season, Heredia sees around 20 days of rain in May, with an average of 351 mm (14 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Heredia in May
In May, expect high temperatures in Heredia, with highs of 25°C (77°F) and lows of 17°C (63°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Heredia in May
The month brings about 183 hours of sunlight, offering a comfortable mix of sun and rainy moments.May in Heredia can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, 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 Heredia's climate page.
Heredia Temperature in May
Min Temperature
17°C (63°F)
Max Temperature
25°C (77°F)
Chance of Rain
65%
Precipitation
351 mm (14 in)
Rainy days
20 days
Humidity
77% *
Sunshine
183 hours *
Percentage Sunshine
*
Daily Historical Temperatures
43-year average (1977-2025)
Based on our historical records, temperatures in Heredia typically stay consistent throughout May, with daily highs averaging around 25°C (77°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 for Heredia in May
Browse day-by-day weather records for Heredia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Heredia historical weather extremes in May
According to our 29 years of weather records for Heredia, the following extremes were recorded between 1997 and 2026.
- The hottest May day on record in Heredia reached 32°C (90°F) (May 13, 1998).
- The coldest May day was on May 29, 2008, with a maximum of 19°C (66°F).
- Heredia registered its coldest May night on May 2, 2006, with temperatures dropping to 15°C (59°F).
- The heaviest May precipitation occurred on May 15, 2001, when 156 mm (6.1 in) of precipitation fell.
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
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tolerable
unpleasant
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What to Wear in Heredia 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! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Heredia 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 Heredia's climate page.
Temperature Rainfall Sunshine Humidity
See the full Heredia climate overview or explore weather in Costa Rica.
