The average annual temperature of Ibiza is 18.3 °C, being warm and mild throughout the whole year. Ibiza lies at the same latitude as Atlantic City, yet it is much warmer for its location in the Mediterranean Basin.

The climate of Ibiza is typically warm, sunny and dry, with low variation between highs and lows. The sunshine hours of Ibiza are 2700-2800 per year, while the yearly rain amount goes from 400 to 450 millimetres.

The average high temperature is 22.2 °C, while the average low is 14.3 °C. Winters are slightly rainy and mild, from November to April normally the whole island turns green for the seasonal rains. Summers are hot and fairly humid, but with very little rainfall. The few rainy days are often accompanied by thunderstorms.

During the coldest month, January, the average high temperature is 15.7 °C , while the average low is 8.1 °C . In the warmest month, August, the average high temperature is 30.3 °C , while the low is 22.2 °C.

Extreme temperatures are rare for the influence of the sea. The average temperature of the sea in Ibiza is 19.7 °C and beach weather usually lasts 7 months, from May to November. The highest temperature ever recorded on Ibiza Airport is 40.7 °C on August 13, 2022.