If you paint an outside surface when it’s too cold, or it gets colder later in the day whilst the paint is still curing and drying. Then, what happens is the paint will fail to form a sufficient film layer as temperatures drop to below tolerance levels over night. This results in decreased durability and a shorter paint finish lifespan over time with higher chances of cracking.
Understanding the qualities of your paint is crucial to a quality long lasting paint finish. Trust the experts. See here for more detail https://www.topconcretersmelbourne.com/services/commercial-painting