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May Weather in Macarthur, Australia

Last updated: August 22, 2025

In May, the average temperature in Macarthur, Australia hovers around 11°C (53°F). You'll experience a minimum temperature of 0°C (33°F) and can enjoy a pleasant maximum of 24°C (75°F). Expect about 76 mm (3.0 in) of precipitation spread over 13 days, contributing to an average humidity level of 79%.

May Temperature in Macarthur

In May in Macarthur, the average temperature is 11°C (53°F), with maximums reaching 24°C (75°F) and minimums dropping as low as 0°C (33°F). This climate makes it a pleasant time for travelers to enjoy outdoor activities while still being prepared for cooler evenings.

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

The chart illustrates May temperature patterns in Macarthur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macarthur, May typically has an average temperature of 11°C (53°F), with highs reaching up to 24°C (75°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec666463585349484851555961
Data source: Temperature data for Macarthur 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 Macarthur

In Macarthur in May, the total precipitation amount is 76 mm (3.0 in), which occurs over the course of 13 days.

May Precipitation Trends in Macarthur

The chart displays monthly precipitation patterns in Macarthur, 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 Macarthur, May typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec302834487657768672766743
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Macarthur

In Macarthur in May, humidity is 79%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that can make traveling uncomfortable, as the cool air clings to your skin and dampens your clothes, leaving you seeking shelter and a warm drink more often than not.

May Average Humidity in Macarthur

This chart illustrates the average monthly humidity levels in Macarthur, 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 Macarthur is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%76%76%79%78%78%77%77%76%76%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Macarthur

In Macarthur in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Macarthur for better planning.

Maximum UV Index Levels in Macarthur for May

The chart shows the monthly maximum UV Index (UVI) for Macarthur 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 Macarthur typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: Macarthur 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 Macarthur Compares to Other Months

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

This table compares monthly weather conditions in Macarthur, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)30 mm (1.2 inches)76%extreme
February Weather18°C (64°F)28 mm (1.1 inches)75%extreme
March Weather17°C (63°F)34 mm (1.3 inches)76%extreme
April Weather14°C (58°F)48 mm (1.9 inches)76%high
May Weather11°C (53°F)76 mm (3.0 inches)79%moderate
June Weather9°C (49°F)57 mm (2.2 inches)78%moderate
July Weather9°C (48°F)76 mm (3.0 inches)78%moderate
August Weather9°C (49°F)85 mm (3.4 inches)77%moderate
September Weather11°C (52°F)72 mm (2.8 inches)76%high
October Weather13°C (55°F)76 mm (3.0 inches)76%very high
November Weather15°C (59°F)67 mm (2.6 inches)76%extreme
December Weather16°C (62°F)43 mm (1.7 inches)76%extreme

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