Porto weather is characterised by warm and dry summers. Winters are mild and accompanied by considerable rain. The average maximum temperature recorded during summers is 27 ºC and the average minimum is 16ºC. The city experiences occasional heat waves during the months of June, July and August with record highs of 40 ºC. During winters, the average minimum temperature is 5ºC and the average maximum temperature is 15ºC. The city receives ample rainfall between October and January.
June is the best time for Porto tourism. It marks the beginning of summer and a number of festivals and cultural events kick off during this month.