How do temperature and humidity generally affect paint application?

High humidity significantly affects the drying time of paint, making it an essential factor to consider during application. When the humidity levels are elevated, the air is saturated with moisture, which slows down the evaporation of solvents in the paint. This delayed evaporation leads to prolonged drying times, making it difficult for the paint to adhere properly and achieve a smooth finish.

As a result, painters may notice that in humid conditions, paint takes longer to become tack-free, which can hinder subsequent coats or finishes. This understanding is essential when planning painting projects, as choosing the right climate conditions can lead to better outcomes and more efficient application processes.

In contrast, high humidity does not speed up drying; it is not common for low temperatures to thin paint, and temperature does indeed affect the performance of paint significantly, contrary to the suggestion in one of the other options.