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May Weather in Hillston, Australia

Last updated: August 22, 2025

In Hillston, Australia, the average temperature for May hovers around 13°C (55°F), making it a pleasant yet variable time of year. Expect chilly nights, with minimum temperatures dipping to -2°C (28°F), while daytime highs can reach up to 29°C (84°F). With an average precipitation of 26 mm (1.0 in) over 4 days, you might want to prepare for a touch of rain. Plus, the air carries a consistent average humidity of 75%, adding to the ambiance of this charming locale.

May Temperature in Hillston

In May in Hillston, the average temperature is 13°C (55°F), with maximums soaring up to 29°C (84°F) and minimums dropping to as low as -2°C (28°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates May temperature patterns in Hillston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillston, May typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (84°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec837873655549495058657278
Data source: Temperature data for Hillston 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 Hillston

In Hillston in May, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

May Precipitation Trends in Hillston

The chart displays monthly precipitation patterns in Hillston, 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 Hillston, May typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec282040342632182319424324
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hillston

In Hillston in May humidity is 75%. With average temperature 13°C (55°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions less enjoyable without layered clothing and frequent breaks to warm up indoors.

May Average Humidity in Hillston

This chart illustrates the average monthly humidity levels in Hillston, 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 Hillston is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec38%46%61%67%75%74%77%70%68%53%48%53%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hillston

In Hillston in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hillston.

Maximum UV Index Levels in Hillston for May

The chart shows the monthly maximum UV Index (UVI) for Hillston 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 Hillston typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412854468111315
Data source: Hillston 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 Hillston Compares to Other Months

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

This table compares monthly weather conditions in Hillston, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)28 mm (1.1 inches)38%extreme
February Weather25°C (78°F)20 mm (0.8 inches)46%extreme
March Weather23°C (74°F)40 mm (1.6 inches)61%extreme
April Weather18°C (65°F)34 mm (1.3 inches)67%very high
May Weather13°C (55°F)26 mm (1.0 inches)75%moderate
June Weather10°C (50°F)32 mm (1.3 inches)74%moderate
July Weather10°C (49°F)18 mm (0.7 inches)77%moderate
August Weather10°C (51°F)23 mm (0.9 inches)70%high
September Weather14°C (58°F)19 mm (0.7 inches)68%very high
October Weather18°C (65°F)42 mm (1.6 inches)53%extreme
November Weather22°C (72°F)43 mm (1.7 inches)48%extreme
December Weather25°C (78°F)24 mm (0.9 inches)53%extreme

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