The weather in Fairfax in July is hot. The average temperatures are between 21°C and 32°C.
You can expect about 3 to 8 days of rain in Fairfax during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Fairfax in July 2025.
If you’re planning to visit Fairfax in the near future, we highly recommend that you review the 14 day weather forecast for Fairfax before you arrive.
Temperatures
32° / 21°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
158
mm
Sun Hours
11.4
Hrs
