May weather forecastGrafton, Australia

May

Weather in May

May, the last month of the autumn in Grafton, is also an agreeable month, with an average temperature ranging between max 21°C (69.8°F) and min 10.7°C (51.3°F).

Temperature

Grafton records an average high-temperature of a pleasant 21°C (69.8°F) in May, closely mirroring the climate of the previous month. Nighttime temperatures in May average to a fresh 10.7°C (51.3°F) in Grafton.

Humidity

In May, the average relative humidity is 78%.

Rainfall

In Grafton, in May, it is raining for 11.8 days, with typically 34mm (1.34") of accumulated precipitation. In Grafton, Australia, during the entire year, the rain falls for 178.3 days and collects up to 680mm (26.77") of precipitation.

Daylight

The average length of the day in May in Grafton is 10h and 38min.
On the first day of the month, sunrise is at 6:16 am and sunset at 5:13 pm. On the last day of May, sunrise is at 6:34 am and sunset at 4:57 pm AEST.

Sunshine

In Grafton, Australia, the average sunshine in May is 7.6h.

UV index

May through August, with an average maximum UV index of 4, are months with the lowest UV index in Grafton. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

May temperatures vary between a high-temperature of 21°C (69.8°F) and a low-temperature of 10.7°C (51.3°F). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in February is estimated at 32°C (89.6°F).

In May, the average relative humidity is 78%.

In Grafton, in May, during 11.8 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

In Grafton, the average day length in May is 10h and 38min.

On the first day of May in Grafton, sunrise is at 6:16 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 4:57 pm AEST.

The average sunshine duration in May in Grafton is 7.6h.

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

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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

23.9°C

21°C

18.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.1km/h

6.8km/h

7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

10.7

16.8

15.9

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Grafton, Australia

Average high temperature in May: 21°C

The warmest month (with the highest average high temperature) is January (29.2°C).
The month with the lowest average high temperature is June (18.3°C).

Average low temperature in May: 10.7°C

The month with the highest average low temperature is January (18.4°C).
The coldest month (with the lowest average low temperature) is July (7.7°C).

Average pressure in May
Grafton, Australia

Average pressure in May: 1020.1mbar

The month with the highest atmospheric pressure is July (1020.9mbar).
The month with the lowest atmospheric pressure is January (1013mbar).

Average wind speed in May
Grafton, Australia

Average wind speed in May: 6.2km/h

The windiest month (with the highest average wind speed) is October (7.1km/h).
The calmest month (with the lowest average wind speed) is May (6.2km/h).

Average humidity in May
Grafton, Australia

Average humidity in May: 78%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is September (69%).

Average rainfall in May
Grafton, Australia

Average rainfall in May: 34mm

The wettest month (with the highest rainfall) is February (96mm).
The driest month (with the least rainfall) is July (20mm).

Average rainfall days in May
Grafton, Australia

Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (7.8 days).

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

Average daylight in May: 10h and 36min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

Average sunshine in May: 7h and 36min

The month with the most sunshine is November (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).

Average sunshine days in May
Grafton, Australia

Average sunshine days in May: 16.8 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (6.2 days).

Average UV index in May
Grafton, 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 and August (UV index 4).