Climate almanac
Rancho Penasquitos
California, United States · 32.96°, -117.12°
What is the climate like in Rancho Penasquitos?
The best time to visit Rancho Penasquitos is typically April – November, with trip comfort peaking in July (9.1/10). Rancho Penasquitos is warmest in August, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 45°F (7°C). The wettest month is typically March and the driest is July; the year sees roughly 18 in (456 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 45°F (7°C)
- Wettest monthMarch (3.6 in (91 mm))
- Driest monthJuly (0.1 in (2 mm))
- Annual precipitation18 in (456 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSan Diego Miramar NAS, 10 km away (1947-2026)