Pau's weather is characterized by mild springs and autumns, with temperatures gradually warming up from March's chilly averages of around 3°C, reaching a peak in June and July where highs often soar above 20°C. Summers are warm but not excessively hot, while winters are cool to cold, with temperatures frequently dipping below 0°C during the coldest months. The transition periods between seasons can be quite volatile, with April and September experiencing relatively wide temperature fluctuations. Overall, Pau's climate is generally temperate, with moderate temperatures prevailing throughout most of the year.