Los Altos

What is the climate like in Los Altos?

The best time to visit Los Altos is typically May – October, with trip comfort peaking in July (9.2/10). Los Altos is warmest in August, when daily highs average 82°F (28°C), and coolest in February, when lows fall to about 44°F (7°C). The wettest month is typically January and the driest is July; the year sees roughly 20 in (510 mm) of precipitation.

• Best time to visitMay – October — comfort peaks in July (9.2/10)
• Warmest monthAugust — average high 82°F (28°C)
• Coolest monthFebruary — average low 44°F (7°C)
• Wettest monthJanuary (4.2 in (107 mm))
• Driest monthJuly (0.0 in (0 mm))
• Annual precipitation20 in (510 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSan Jose, 17 km away (1893-2026)