Bayonne, France experiences a mild climate with moderate temperatures throughout the year. Winters are cool and unpredictable, with January being the chilliest month, often seeing temperatures drop below freezing but also experiencing occasional warmer days. As spring approaches in March and April, temperatures gradually rise, with average highs reaching up to 28°C, bringing pleasant weather conditions. Summers are warm and sunny, with July and August being the hottest months, although temperatures rarely exceed 32°C. Autumn brings a return to milder temperatures, with October and November experiencing cooler days, while December is generally quite chilly again.