Folsom

What is the climate like in Folsom?

The best time to visit Folsom is typically May – October, with trip comfort peaking in August (9.5/10). Folsom is warmest in July, when daily highs average 97°F (36°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 33 in (839 mm) of precipitation.

• Best time to visitMay – October — comfort peaks in August (9.5/10)
• Warmest monthJuly — average high 97°F (36°C)
• Coolest monthDecember — average low 41°F (5°C)
• Wettest monthJanuary (6.4 in (163 mm))
• Driest monthJuly (0.0 in (0 mm))
• Annual precipitation33 in (839 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSacramento Mather AFB, 16 km away (1949-2026)