May weather forecast and climate
Newcastle, Australia

May, the last month of the autumn, in Newcastle, is also an enjoyable month, with average temperature varying between 13.6°C (56.5°F) and 19.4°C (66.9°F).

Temperature

In May, the average high-temperature is essentially the same as in April - a comfortable 19.4°C (66.9°F). The average low-temperature, is 13.6°C (56.5°F).

Humidity

The average relative humidity in Newcastle, Australia, is 72%.

Rainfall

In Newcastle, it is raining for 12.8 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, there are 160.9 rainfall days, and 620mm (24.41") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 21.7°C (71.1°F).
Note: For most, swimming in 21.7°C (71.1°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Newcastle, the average length of the day is 10.4h.

Sunshine

In May, the average sunshine is 7.5h.

UV index

May through August, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.