Santa Teresa
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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.

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
*
* Data from: Puntarenas, Costa Rica (52 KM, 32 Miles).

Santa Teresa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Santa Teresa - and find the best time to visit.

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 records 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

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 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.

  • Swimming
    8/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Santa Teresa 3-Day Forecast

More climate data for Santa Teresa

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.