San Mateo

What is the climate like in San Mateo?

The best time to visit San Mateo is typically December – April, with trip comfort peaking in January (8.1/10). San Mateo is warmest in April, when daily highs average 96°F (36°C), and coolest in January, when lows fall to about 72°F (22°C). The wettest month is typically August and the driest is February; the year sees roughly 38 in (956 mm) of precipitation.

• Best time to visitDecember – April — comfort peaks in January (8.1/10)
• Warmest monthApril — average high 96°F (36°C)
• Coolest monthJanuary — average low 72°F (22°C)
• Wettest monthAugust (6.5 in (164 mm))
• Driest monthFebruary (0.4 in (10 mm))
• Annual precipitation38 in (956 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGeneral Jose Antonio Anzoateg, 44 km away (1973-2018)