St Lucia is never out of season. With sub tropical hot summers and mild warm winters, St Lucia experiences mostly blue sky days. St Lucia enjoys an average of 325 sunny days per year. In summer, St Lucia experiences around 60% of its annual rainfall with the wettest period being between January and March. Summer days are hot, with late afternoon and evening thunderstorms.  St Lucia weather temperatures range between 25°C and 35°C.

Winter from June to August in St Lucia is the dry season. Most days are sunny and warm, with cooler evenings. Maximum temperatures range between 15°C on the coldest days to 28°C. The average daytime temperature in the winter is 24°C.

St Lucia is situated in the southernmost region of Africa, which on occasion could be affected by tropical cyclones. The last cyclone was cyclone Domoina in 1984.