Santa Rosa

What is the climate like in Santa Rosa?

The best time to visit Santa Rosa is typically November – April, with trip comfort peaking in August (6.8/10). Santa Rosa is warmest in January, when daily highs average 89°F (32°C), and coolest in July, when lows fall to about 53°F (12°C). The wettest month is typically October and the driest is July; the year sees roughly 64 in (1624 mm) of precipitation.

• Best time to visitNovember – April — comfort peaks in August (6.8/10)
• Warmest monthJanuary — average high 89°F (32°C)
• Coolest monthJuly — average low 53°F (12°C)
• Wettest monthOctober (8.7 in (221 mm))
• Driest monthJuly (3.4 in (85 mm))
• Annual precipitation64 in (1624 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)