Offshore Stays

Surf San Juan del Sur in July

Surfing San Juan del Sur in July: in the main surf season, air around 28°C, sea around 28°C, 3.9 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

28°C

Sea temperature

28°C

Rain

3.9 mm/day

Wind

21 km/h avg

Average wave height

1.3 m (4 ft)

Big days (top 10%)

1.6 m (5 ft)+

Swell period

13 s

Main swell direction

From SSW (203°)

What to wear: with the sea around 28°C in July, expect boardshorts or a rash vest.

Surf size in San Juan del Sur in July

Offshore of San Juan del Sur, waves in July average 1.3 m (4 ft), above the year-round average of 1.3 m — the 3rd biggest month of the year. One hour in ten is 1.6 m (5 ft) or bigger. The dominant swell runs at about 13 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.

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

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

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

Frequently asked questions

Is July a good month to surf San Juan del Sur?
Yes — July falls in San Juan del Sur's main surf season (March–October).
How warm is the sea in San Juan del Sur in July?
About 28°C on average, which calls for boardshorts or a rash vest.
What is the weather like in San Juan del Sur in July?
Air temperature averages 28°C, with about 3.9 mm of rain per day and average winds of 21 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.