Winters in Hyeres are mild and unpredictable, with temperatures often fluctuating between freezing cold and pleasant warmth. January and December tend to be the chilliest months, with averages around 7°C, while February is slightly warmer at 10°C. Spring arrives gradually, with March and April temperatures rising steadily towards a high of 26°C, setting the stage for warm summer days. Summer months, particularly June, July, and August, are hot and sunny, with average highs often reaching over 30°C. Autumn brings a welcome respite from the heat, with September being the warmest month before temperatures drop to around 15°C in October and November.