Summer in the resort town is hot and perfect for sunbathing. For example, temperatures in Cascais do not drop below +22°C even at night. The rainy season in Cascais in summer is a rare, or rather unique phenomenon, so the weather in Cascais will contribute to a relaxing vacation. In winter, the thermometer never reaches 0°C. Tourists note that the temperature in February in Cascais is +13-16 ° C, which is ideal for walking around the city.
The mountains of Sintra create a microclimate effect in Cascais. Warm clothing should be brought for those planning walks along the mountain range.
Note that Portugal is considered one of the warmest European countries with great weather. The high summer season in Cascais lasts from late June to September, but many tourists come here in spring and fall. A sunny day in June and August lasts 11 hours.
The weekly weather forecast for Cascais can be found on the Portuguese meteosite.