Winters in Castellon de la Plana are mild, with average temperatures ranging from around 10°C to 13°C. The coldest months are January and February, with temperatures occasionally dropping below 0°C, but rarely staying below -5°C for an extended period. Springs are gradual, with temperatures slowly increasing through March and April, reaching averages of around 14°C by the end of April. Summer is warm, with July and August being the hottest months, experiencing average highs often above 26°C, while September sees a slight drop in temperature. Autumns are mild, with October and November temperatures returning to averages similar to those of winter.