Pleasanton

What is the climate like in Pleasanton?

The best time to visit Pleasanton is typically June – April, with trip comfort peaking in October (8.1/10). Pleasanton is warmest in August, when daily highs average 99°F (37°C), and coolest in January, when lows fall to about 45°F (7°C). The wettest month is typically May and the driest is February; the year sees roughly 28 in (703 mm) of precipitation.

• Best time to visitJune – April — comfort peaks in October (8.1/10)
• Warmest monthAugust — average high 99°F (37°C)
• Coolest monthJanuary — average low 45°F (7°C)
• Wettest monthMay (4.2 in (107 mm))
• Driest monthFebruary (1.4 in (35 mm))
• Annual precipitation28 in (703 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPleasanton, 1 km away (1948-2026)