Question 1

What is the weather like in Petrópolis by month?

Accepted Answer

No monthly climate normals are on file for Petrópolis.

Question 2

When is air quality worst in Petrópolis?

Accepted Answer

August carries the highest modelled PM2.5 of the year at about 17 µg/m³. The WHO 2021 annual guideline is 5 µg/m³. These are model values, not station readings.

Petrópolis weather by month