San Diego

What is the climate like in San Diego?

The best time to visit San Diego is typically April – December, with trip comfort peaking in August (8.7/10). San Diego is warmest in August, when daily highs average 75°F (24°C), and coolest in February, when lows fall to about 53°F (11°C). The wettest month is typically March and the driest is July; the year sees roughly 12 in (298 mm) of precipitation.

• Best time to visitApril – December — comfort peaks in August (8.7/10)
• Warmest monthAugust — average high 75°F (24°C)
• Coolest monthFebruary — average low 53°F (11°C)
• Wettest monthMarch (2.2 in (55 mm))
• Driest monthJuly (0.0 in (1 mm))
• Annual precipitation12 in (298 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSan Diego Intl AP, 3 km away (1939-2026)