Gridley

What is the climate like in Gridley?

The best time to visit Gridley is typically April – October, with trip comfort peaking in August (9.1/10). Gridley is warmest in July, when daily highs average 101°F (39°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 28 in (699 mm) of precipitation.

• Best time to visitApril – October — comfort peaks in August (9.1/10)
• Warmest monthJuly — average high 101°F (39°C)
• Coolest monthDecember — average low 42°F (6°C)
• Wettest monthJanuary (5.5 in (140 mm))
• Driest monthJuly (0.0 in (0 mm))
• Annual precipitation28 in (699 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromOroville, 21 km away (1953-2026)