San Diego

What is the climate like in San Diego?

The best time to visit San Diego is typically December – February, with trip comfort peaking in January (8.0/10). San Diego is warmest in July, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 69°F (21°C). The wettest month is typically October and the driest is January; the year sees roughly 159 in (4038 mm) of precipitation.

• Best time to visitDecember – February — comfort peaks in January (8.0/10)
• Warmest monthJuly — average high 87°F (31°C)
• Coolest monthJanuary — average low 69°F (21°C)
• Wettest monthOctober (24 in (619 mm))
• Driest monthJanuary (1.9 in (47 mm))
• Annual precipitation159 in (4038 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromAlfonso Lopez Pumarejo, 14 km away (1969-2025)