The temperatures in Carnac in July are comfortable with low of 15°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Carnac 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 Carnac in July 2026.
If you’re planning to visit Carnac in the near future, we highly recommend that you review the 14 day weather forecast for Carnac before you arrive.
Temperatures
21° / 15°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
65
mm
Sun Hours
10.3
Hrs
