Climate in Castellon de la Plana
Castellon de la Plana has a coastal Mediterranean climate, with hot, humid summers (average highs of 30 degrees Celsius) and mild winters (lows of 6 degrees). The sea moderates temperature extremes.
Annual rainfall is around 440 mm, concentrated in autumn with cut-off-low episodes that can dump more than 100 mm in a few hours. The coastal rieras, normally dry, can flash-flood quickly.
Easterlies bring humidity and coastal cloud, while westerlies dry the air and raise wildfire risk in the Maestrat. Hydrological drought affects reservoirs like Maria Cristina.
Best time to visit is spring, with the Magdalena festivals in March, and early autumn. Use the hourly forecast, alerts and sea temperature before planning the Planetarium or the grao.