Climate almanac
San Juan
Alajuela Province, Costa Rica · 10.10°, -84.32°
What is the weather like in San Juan in June?
In June, San Juan is typically 76°F (25°C) during the day and 65°F (18°C) at night. The month brings about 16 in (396 mm) of precipitation in total.
- Average high76°F (25°C)
- Average low65°F (18°C)
- Precipitation16 in (396 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)