Winters in Ourem, Portugal are mild with average temperatures ranging from 9°C in January to 13°C in February and December. Spring brings gradually warmer days, with April and May averaging around 15°C, while summers are warm to hot, peaking at 19°C in July and August. Autumn is also relatively warm, with September and October averaging around 17°C. The temperature fluctuations throughout the year are moderate, with no extreme cold or heat, making Ourem a pleasant destination year-round.