The weather in Piedras Negras in August is very hot. The average temperatures are between 26°C and 37°C, drinking water regularly is advisable.
You can expect a few rainy days in Piedras Negras during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Piedras Negras in August 2026.
If you’re planning to visit Piedras Negras in the near future, we highly recommend that you review the 14 day weather forecast for Piedras Negras before you arrive.
Temperatures
37° / 26°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
50
mm
Sun Hours
10.2
Hrs
