Calistoga

What is the climate like in Calistoga?

The best time to visit Calistoga is typically May – October, with trip comfort peaking in July (9.5/10). Calistoga is warmest in July, when daily highs average 89°F (32°C), and coolest in December, when lows fall to about 41°F (5°C). The wettest month is typically January and the driest is July; the year sees roughly 28 in (701 mm) of precipitation.

• Best time to visitMay – October — comfort peaks in July (9.5/10)
• Warmest monthJuly — average high 89°F (32°C)
• Coolest monthDecember — average low 41°F (5°C)
• Wettest monthJanuary (6.1 in (154 mm))
• Driest monthJuly (0.0 in (0 mm))
• Annual precipitation28 in (701 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromCalistoga, 0 km away (1916-2026)