Newcastle
Australia
Long-term weather forecast
Long-term weather forecast

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.

What is the temperature in May in Newcastle?

In Newcastle, in May, the average high-temperature is 19.4°C (66.9°F), and the average low-temperature is 13.6°C (56.5°F).

What is the average humidity in May in Newcastle?

The average relative humidity in May in Newcastle is 72%.

How many days does it rain in May in Newcastle?

In Newcastle, Australia, during May, the rain falls for 12.8 days and regularly aggregates up to 45mm (1.77") of precipitation.

What is the sea water temperature in May in Newcastle?

In May, the average sea temperature is 21.7°C (71.1°F). Swimming in 21.7°C (71.1°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in May in Newcastle?

The average length of the day in May is 10.4h.

How long on average sun shines in May in Newcastle?

In May, the average sunshine in Newcastle, Australia, is 7.5h.

What is the month with the lowest UV index in Newcastle?

Months with the lowest UV index in Newcastle are May through August, with an average maximum UV index of 4.

How high is the UV index in May in Newcastle?

In Newcastle, Australia, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Newcastle, Australia
  • Average high temperature in May: 19.4°C

The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in May: 13.6°C

The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).

Average humidity in May - Newcastle, Australia
  • Average humidity in May: 72%

The month with the highest relative humidity is February (77%).
Months with the lowest relative humidity are August and September (69%).

Average rainfall in May - Newcastle, Australia
  • Average rainfall in May: 45mm

The wettest month (with the highest rainfall) is February (79mm).
The driest month (with the lowest rainfall) is August (34mm).

Average rainfall days in May - Newcastle, Australia
  • Average rainfall days in May: 12.8 days

The month with the highest number of rainy days is March (15.6 days).
The month with the lowest number of rainy days is August (10.2 days).

Average sea temperature in May - Newcastle, Australia
  • Average sea temperature in May: 21.7°C

The best month for swimming (with the highest average sea temperature) is February (24°C).
The coldest month (with the lowest average sea temperature) is August (18.9°C).

Average daylight in May / Average sunshine in May - Newcastle, Australia
  • Average daylight in May: 10.4h

The month with the longest days is December (Average daylight: 14.3h).
The month with shortest days is June (Average daylight: 10h).

  • Average sunshine in May: 7.5h

Months with most sunshine are November and December (Average sunshine: 9.8h).
The month with least sunshine is June (Average sunshine: 5.8h).

Average UV index in May - Newcastle, Australia
  • Average UV index in May: 4

Months with the highest UV index are January, February, November and December (UV index 6).
Months with the lowest UV index are May, June, July and August (UV index 4).