Santa Teresa Weather in May
May in Santa Teresa typically sees daytime highs of 29°C (84°F) and nighttime lows of 26°C (79°F). May falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Santa Teresa in May
Santa Teresa is in the rainy season in May, with rain on around 17 days and an average of 323 mm (13 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Santa Teresa in May
Daytime temperatures in Santa Teresa reach 29°C (84°F) in May, dropping to 26°C (79°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. 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 Santa Teresa in May
Expect a lot of sunshine this month, with about 203 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.May in Santa Teresa 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 Santa Teresa's climate page.
Santa Teresa Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
57%
Precipitation
323 mm (13 in)
Rainy days
17 days
Sunshine
203 hours *
Percentage Sunshine
*
Daily Historical Temperatures
32-year average (1987-2026)
Based on our historical records, temperatures in Santa Teresa typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in May
Historical weather for Santa Teresa in May
Browse day-by-day weather records for Santa Teresa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santa Teresa historical weather extremes in May
Based on 21 years of weather observations (2005-2026), these are the most extreme conditions recorded in Santa Teresa.
- Santa Teresa recorded its highest May temperature of 33°C (91°F) on May 19, 2026.
- The lowest daytime temperature in May was 25°C (77°F), recorded on May 31, 2007.
- The lowest overnight temperature recorded in May was 22°C (72°F) (May 25, 2007).
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 Santa Teresa in May
Warm but pleasant conditions in Santa Teresa 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Santa Teresa 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 Santa Teresa's climate page.
See the full Santa Teresa climate overview or explore weather in Costa Rica.
