Sunnyvale

What is the climate like in Sunnyvale?

The best time to visit Sunnyvale is typically September – November, with trip comfort peaking in September (7.7/10). Sunnyvale is warmest in August, when daily highs average 96°F (35°C), and coolest in January, when lows fall to about 39°F (4°C). The wettest month is typically April and the driest is July; the year sees roughly 45 in of precipitation.

• Best time to visitSeptember – November — comfort peaks in September (7.7/10)
• Warmest monthAugust — average high 96°F (35°C)
• Coolest monthJanuary — average low 39°F (4°C)
• Wettest monthApril (6.1 in)
• Driest monthJuly (2.0 in)
• Annual precipitation45 in