Offshore Stays

Surf Santa Teresa in May

Surfing Santa Teresa in May: in the main surf season, air around 28°C, sea around 30°C, 9.2 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

28°C

Sea temperature

30°C

Rain

9.2 mm/day

Wind

12 km/h avg

Average wave height

1.4 m (5 ft)

Big days (top 10%)

1.8 m (6 ft)+

Swell period

14 s

Main swell direction

From SSW (203°)

What to wear: with the sea around 30°C in May, expect boardshorts or a rash vest.

Surf size in Santa Teresa in May

Offshore of Santa Teresa, waves in May average 1.4 m (5 ft), above the year-round average of 1.3 m — the 5th biggest month of the year. One hour in ten is 1.8 m (6 ft) or bigger. The dominant swell runs at about 14 seconds from the SSW.

These are open-ocean figures from 10 years of hourly wave data, not a beach forecast: a sheltered break will be smaller, an exposed reef or point can be bigger.

May in the context of Santa Teresa's surf season

Santa Teresa's main surf season runs March–October. May is inside it.

Full Santa Teresa surf and remote-work guide →

Frequently asked questions

Is May a good month to surf Santa Teresa?
Yes — May falls in Santa Teresa's main surf season (March–October).
How warm is the sea in Santa Teresa in May?
About 30°C on average, which calls for boardshorts or a rash vest.
What is the weather like in Santa Teresa in May?
Air temperature averages 28°C, with about 9.2 mm of rain per day and average winds of 12 km/h.
Climate: NASA POWER (MERRA-2) monthly climatology, 2001–2020. Sea temperature: NOAA Coral Reef Watch CoralTemp v3.1, 5 km monthly SST, 2015–2025 mean (nearest ocean cell). Surf season is Offshore Stays editorial. Waves: Open-Meteo Marine API, ECMWF ERA5-Ocean hourly reanalysis, 2016–2025 (offshore grid cell 9.5°N 85.0°W), retrieved 22 Oct 2026.