Gilroy

What is the climate like in Gilroy?

The best time to visit Gilroy is typically May – October, with trip comfort peaking in June (9.3/10). Gilroy is warmest in August, when daily highs average 80°F (27°C), and coolest in December, when lows fall to about 42°F (6°C). The wettest month is typically January and the driest is July; the year sees roughly 18 in (450 mm) of precipitation.

• Best time to visitMay – October — comfort peaks in June (9.3/10)
• Warmest monthAugust — average high 80°F (27°C)
• Coolest monthDecember — average low 42°F (6°C)
• Wettest monthJanuary (4.3 in (108 mm))
• Driest monthJuly (0.0 in (0 mm))
• Annual precipitation18 in (450 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGilroy, 1 km away (1907-2023)