Agen's winters are mild, with January temperatures averaging around 5°C and fluctuating between -7°C and 18°C. February is slightly warmer, ranging from 0°C to 20°C on average. As spring approaches, March and April see a steady rise in temperature, still quite cool in the mornings but reaching highs of up to 24°C and 26°C respectively. Summer months are warm to hot, with June, July, and August temperatures averaging around 20-21°C, though they can soar above 30°C on occasion. Autumn brings a return to cooler conditions, with October's average temperature ranging from 0°C to 27°C before dropping back down in November and December.