Santa Rosa

What is the climate like in Santa Rosa?

The best time to visit Santa Rosa is typically July – August, with trip comfort peaking in July (6.7/10). Santa Rosa is warmest in September, when daily highs average 76°F (24°C), and coolest in July, when lows fall to about 56°F (14°C). The wettest month is typically January and the driest is July; the year sees roughly 119 in (3023 mm) of precipitation.

• Best time to visitJuly – August — comfort peaks in July (6.7/10)
• Warmest monthSeptember — average high 76°F (24°C)
• Coolest monthJuly — average low 56°F (14°C)
• Wettest monthJanuary (19 in (479 mm))
• Driest monthJuly (3.2 in (81 mm))
• Annual precipitation119 in (3023 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)