Climate almanac
San Clemente
California, United States · 33.43°, -117.61°
What is the climate like in San Clemente?
The best time to visit San Clemente is typically April – November, with trip comfort peaking in July (9.0/10). San Clemente is warmest in August, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 48°F (9°C). The wettest month is typically January and the driest is July; the year sees roughly 16 in (412 mm) of precipitation.
- Best time to visitApril – November — comfort peaks in July (9.0/10)
- Warmest monthAugust — average high 84°F (29°C)
- Coolest monthJanuary — average low 48°F (9°C)
- Wettest monthJanuary (3.4 in (86 mm))
- Driest monthJuly (0.1 in (2 mm))
- Annual precipitation16 in (412 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBell Canyon California, 13 km away (1993-2026)