Offshore Stays

Surf San Juan del Sur in June

Surfing San Juan del Sur in June: in the main surf season, air around 28°C, sea around 29°C, 6.0 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

28°C

Sea temperature

29°C

Rain

6.0 mm/day

Wind

17 km/h avg

Average wave height

1.3 m (4 ft)

Big days (top 10%)

1.5 m (5 ft)+

Swell period

14 s

Main swell direction

From SW (225°)

What to wear: with the sea around 29°C in June, expect boardshorts or a rash vest.

Surf size in San Juan del Sur in June

Offshore of San Juan del Sur, waves in June average 1.3 m (4 ft), above the year-round average of 1.3 m — the 5th biggest month of the year. One hour in ten is 1.5 m (5 ft) or bigger. The dominant swell runs at about 14 seconds from the SW.

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.

June in the context of San Juan del Sur's surf season

San Juan del Sur's main surf season runs March–October. June is inside it.

Full San Juan del Sur surf and remote-work guide →

Frequently asked questions

Is June a good month to surf San Juan del Sur?
Yes — June falls in San Juan del Sur's main surf season (March–October).
How warm is the sea in San Juan del Sur in June?
About 29°C on average, which calls for boardshorts or a rash vest.
What is the weather like in San Juan del Sur in June?
Air temperature averages 28°C, with about 6.0 mm of rain per day and average winds of 17 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 11.0°N 86.0°W), retrieved 22 Oct 2026.