In May the average maximum daytime temperature is a warm 23°C (73°F), with little chance of discomfort from heat and humidity, while the average minimum night-time temperature is a cool 12°C (53°F).

On average 43 mm (1.7 inches) of rainfall is expected during May with rain generally falling on 8 days of the month. There are usually 9 hours of bright sunshine each day, which represents 62% of daylight hours.

During May around midday under clear sky conditions the UV Index is Very High (UV Index 8). Average sea temperature in May is a cool 17°C (63°F).