May weather forecastOatley, Australia

May

Weather in May

May, the last month of the autumn in Oatley, is also an enjoyable month, with an average temperature ranging between min 10.9°C (51.6°F) and max 19.9°C (67.8°F).

Temperature

With the arrival of May, Oatley experiences a modest decline in average high-temperatures, transitioning from a moderately hot 23.3°C (73.9°F) in April to a comfortable 19.9°C (67.8°F). Throughout May, Oatley encounters an average temperature drop to a fresh 10.9°C (51.6°F).

Humidity

In Oatley, the average relative humidity in May is 71%.

Rainfall

The months with the least rainfall are May and September Rain falls for 7.5 days and accumulates 26mm (1.02") of rain.

Sea temperature

In May, the average sea temperature is 20.8°C (69.4°F).
Note: For most individuals, swimming in 20.8°C (69.4°F) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in May is 10h and 22min.
On the first day of the month, sunrise is at 6:30 am and sunset at 5:14 pm. On the last day of May, in Oatley, sunrise is at 6:51 am and sunset at 4:54 pm AEST.

Sunshine

In May, the average sunshine is 7.7h.

UV index

The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a regular UV index of 4 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Updated: Aug 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Oatley in May has an average high-temperature of 19.9°C (67.8°F) and an average low-temperature of 10.9°C (51.6°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in February is estimated at 30°C (86°F).

The average relative humidity in May is 71%.

May and September are months with the least rain when the rain falls for 7.5 days and typically aggregates up to 26mm (1.02") of rain.

In Oatley, during May, the rain falls for 7.5 days and regularly aggregates up to 26mm (1.02") of precipitation.

In Oatley, in May, the average water temperature is 20.8°C (69.4°F). For most, swimming in 20.8°C (69.4°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).

In Oatley, the average day length in May is 10h and 22min.

In May, on the first day of the month, sunrise is at 6:30 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:54 pm AEST.

In May, the average sunshine duration is 7.7h.

The months with the lowest UV index are May through September, with an average maximum UV index of 4.

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

23.3°C

19.9°C

16.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.8km/h

9.9km/h

10km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

12.7

7.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

15.3

21.5

18.6

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Oatley, Australia

Average high temperature in May: 19.9°C

The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is June (16.8°C).

Average low temperature in May: 10.9°C

The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8°C).

Average pressure in May
Oatley, Australia

Average pressure in May: 1020.2mbar

The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in May
Oatley, Australia

Average wind speed in May: 9km/h

The windiest months (with the highest average wind speed) are January, September and December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).

Average humidity in May
Oatley, Australia

Average humidity in May: 71%

The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).

Average rainfall in May
Oatley, Australia

Average rainfall in May: 26mm

The wettest month (with the highest rainfall) is February (83mm).
The driest months (with the least rainfall) are May and September (26mm).

Average rainfall days in May
Oatley, Australia

Average rainfall days in May: 7.5 days

The month with the highest number of rainy days is February (15.8 days).
The month with the least rainy days is August (7.3 days).

Average sea temperature in May
Oatley, Australia

Average sea temperature in May: 20.8°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight in May /
Average sunshine in May
Oatley, Australia

Average daylight in May: 10h and 24min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

Average sunshine in May: 7h and 42min

The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

Average sunshine days in May
Oatley, Australia

Average sunshine days in May: 21.5 days

The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in May
Oatley, Australia

Average UV index in May: 4

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

Average cloud cover in May
Oatley, Australia

Average cloud cover in May: 27

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in May
Oatley, Australia

Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).