The drying time for house paint can vary depending on several factors, including the type of paint, the weather conditions, and the surface being painted. Typically, water-based paints, also known as latex paints, dry to the touch within an hour or two, but it’s advisable to wait at least four hours before applying a second coat. Oil-based paints take longer to dry, often requiring six to eight hours before they are dry to the touch and at least 24 hours before recoating. Humidity, temperature, and ventilation can also affect drying times; warmer and well-ventilated conditions tend to speed up the process, while high humidity and lower temperatures can slow it down. For the best results, always follow the manufacturer’s recommendations and ensure the conditions are optimal for painting.