What is the ideal temperature range and humidity level to apply Rust Bullet for Concrete?

Ideal application temperature is between 50°F (10°C) and 80°F (27°C) with humidity below 90%. Never apply a Rust Bullet coating while raining or under threat of rain. Do not apply to surfaces when existing temperature of the surface exceeds 190°F (90°C) or is below 32°F (0°C).