May Weather in Grafton, Australia

Last updated: August 22, 2025

In Grafton, Australia, the average temperature in May hovers around 16°C (62°F), creating a pleasant atmosphere for visitors. Expect minimum temperatures to drop to 4°C (39°F) and a comfortable maximum of 28°C (82°F). With a precipitation amount of 35 mm (1.4 in) spread over 5 days, you might want to pack an umbrella. The average humidity sits at a moderate 73%, ensuring a refreshing experience overall.

May Temperature in Grafton

In May in Grafton, the average temperature is 16°C (62°F). Maximum temperatures can reach 28°C (82°F), while minimum temperatures can drop as low as 4°C (39°F). This makes Grafton a comfortable destination for travelers looking to enjoy mild weather with the potential for warmer days.

May Weather in Grafton: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Grafton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grafton, May typically has an average temperature of 16°C (62°F), with highs reaching up to 28°C (82°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec767472666157555762677074
Data source: Temperature data for Grafton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Grafton

In Grafton in May, the precipitation amount is 35 mm (1.4 in) over a span of 5 days.

May Precipitation Trends in Grafton

The chart displays monthly precipitation patterns in Grafton, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Grafton, May typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec7915319147355433202411267176
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grafton

In Grafton in May, humidity is 73%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace, making outdoor activities slightly uncomfortable but still bearable for travelers who enjoy a lush, vibrant atmosphere.

May Average Humidity in Grafton

This chart illustrates the average monthly humidity levels in Grafton, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Grafton is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%80%78%74%71%70%71%69%71%76%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grafton

In Grafton in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Grafton.

Maximum UV Index Levels in Grafton for May

The chart shows the monthly maximum UV Index (UVI) for Grafton in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Grafton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513974579111315
Data source: Grafton May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Grafton Compares to Other Months

Weather in Grafton varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Grafton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Grafton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)79 mm (3.1 inches)78%extreme
February Weather24°C (75°F)153 mm (6.0 inches)80%extreme
March Weather22°C (72°F)191 mm (7.5 inches)80%extreme
April Weather19°C (67°F)47 mm (1.8 inches)78%very high
May Weather16°C (62°F)35 mm (1.4 inches)73%high
June Weather14°C (57°F)54 mm (2.1 inches)71%moderate
July Weather13°C (56°F)33 mm (1.3 inches)70%moderate
August Weather14°C (57°F)20 mm (0.8 inches)71%high
September Weather17°C (63°F)24 mm (0.9 inches)69%very high
October Weather19°C (67°F)112 mm (4.4 inches)71%extreme
November Weather21°C (70°F)67 mm (2.6 inches)76%extreme
December Weather23°C (74°F)176 mm (6.9 inches)80%extreme

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