The area surrounding Argelès sur Mer is the sunniest and warmest in all of France, with 300 sunny days a year.
The summer (May-September) is warm and dry and the safest period for sun and swimming, while the winter (January-February) has more rainfall and is the coldest, even if the temperature seldom drops below +5°
Even October is warm and pleasant, despite the highest risk of rain.
In March and April the weather is unstable, and everything from rainy spells to summer days with summer temperatures can happen.
November and December are cooler, but the days are sunny and quite warm.