The temperatures in Fullerton in July are comfortable with low of 19°C and and high up to 29°C.
You can expect a few rainy days in Fullerton during July, but usually the weather is comfortable in July.
Our weather forecast can give you a great sense of what weather to expect in Fullerton in July 2025.
If you’re planning to visit Fullerton in the near future, we highly recommend that you review the 14 day weather forecast for Fullerton before you arrive.
Temperatures
29° / 19°
Rainy Days
1
Snowy Days
0
Dry Days
31
Rainfall
2
mm
Sun Hours
11.5
Hrs
