Climate almanac
Foothill Ranch
California, United States · 33.69°, -117.66°
What is the climate like in Foothill Ranch?
The best time to visit Foothill Ranch is typically April – November, with trip comfort peaking in July (9.1/10). Foothill Ranch 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 15 in (393 mm) of precipitation.
- Best time to visitApril – November — comfort peaks in July (9.1/10)
- Warmest monthAugust — average high 84°F (29°C)
- Coolest monthJanuary — average low 48°F (9°C)
- Wettest monthJanuary (3.2 in (82 mm))
- Driest monthJuly (0.0 in (1 mm))
- Annual precipitation15 in (393 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSanta Ana Fire Stn, 20 km away (1916-2026)