San Manuel

What is the climate like in San Manuel?

The best time to visit San Manuel is typically February – April, with trip comfort peaking in March (7.4/10). San Manuel is warmest in May, when daily highs average 95°F (35°C), and coolest in January, when lows fall to about 66°F (19°C). The wettest month is typically November and the driest is April; the year sees roughly 57 in (1443 mm) of precipitation.

• Best time to visitFebruary – April — comfort peaks in March (7.4/10)
• Warmest monthMay — average high 95°F (35°C)
• Coolest monthJanuary — average low 66°F (19°C)
• Wettest monthNovember (8.4 in (213 mm))
• Driest monthApril (1.7 in (43 mm))
• Annual precipitation57 in (1443 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLa Mesa Intl, 14 km away (1957-2025)