The temperatures in Sunnyvale in July are comfortable with low of 14°C and and high up to 28°C.
There is little to no rain in Sunnyvale during July, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Sunnyvale in July 2025.
If you’re planning to visit Sunnyvale in the near future, we highly recommend that you review the 14 day weather forecast for Sunnyvale before you arrive.
Temperatures
28° / 14°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
3
mm
Sun Hours
12.0
Hrs
