Cascais Weather in May

Cascais in May sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 15°C (59°F). Around 43 mm (1.7 in) of rainfall is typical, so a light rain jacket is a sensible addition to your bag.

Rainfall in Cascais in May

Typically around 9 days of rainfall are expected, averaging 43 mm (1.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Cascais in May

In May, expect pleasant temperatures in Cascais, with highs of 19°C (66°F) and lows of 15°C (59°F) at night. Conditions are often most pleasant around the middle of the day. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Cascais in May

There are approximately 316 hours of sunshine this month, resulting in mostly clear days.

Should you favor a climate that's both dry and comfortably warm, June, July, August, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.