Fallbrook

What is the climate like in Fallbrook?

The best time to visit Fallbrook is typically April – November, with trip comfort peaking in July (9.2/10). Fallbrook is warmest in August, when daily highs average 89°F (31°C), and coolest in January, when lows fall to about 46°F (8°C). The wettest month is typically January and the driest is July; the year sees roughly 16 in (394 mm) of precipitation.

• Best time to visitApril – November — comfort peaks in July (9.2/10)
• Warmest monthAugust — average high 89°F (31°C)
• Coolest monthJanuary — average low 46°F (8°C)
• Wettest monthJanuary (3.1 in (78 mm))
• Driest monthJuly (0.1 in (2 mm))
• Annual precipitation16 in (394 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromCamp Pendleton Mcas, 13 km away (1966-2026)