The Temperate Season is one of three Seasons in the Hamlet DLC, starting at day 1 and ending on day 10, for a total of 10 days. Temperate Season is the first season players encounter and is the equivalent to Autumn in Reign of Giants.
During this season, rain and thunderstorms will occur for short periods of time. Glowflies will spawn from Exotic Flowers during this season, and near the end of the season they will form cocoons in the Rainforest which will produce Rabid Beetles when the season ends.
Temperate Season leads to Humid Season, so players should spend their first Temperate Season preparing for the coming fog and lightning storms.