May Weather in Killarney, Australia

Last updated: August 22, 2025

In May, the average temperature in Killarney, Australia hovers around 14°C (57°F). Expect minimums of -1°C (31°F) and maximums reaching up to 26°C (80°F). Prepare for a bit of rain, with precipitation amounting to 20 mm (0.8 in) over approximately 3 days. With an average humidity of 76%, this month offers a refreshing yet slightly damp atmosphere.

May Temperature in Killarney

In May in Killarney, the average temperature is 14°C (57°F), with maximums reaching 26°C (80°F) and minimums dropping as low as -1°C (31°F). It’s advisable to pack for both warm days and cool nights when traveling during this time.

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

The chart illustrates May temperature patterns in Killarney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Killarney, May typically has an average temperature of 14°C (57°F), with highs reaching up to 26°C (80°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec737269635752515359646872
Data source: Temperature data for Killarney 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 Killarney

In Killarney in May, the precipitation amount is 20 mm (0.8 in) accumulated over a period of 3 days.

May Precipitation Trends in Killarney

The chart displays monthly precipitation patterns in Killarney, 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 Killarney, May typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec59791142020282917121086198
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Killarney

In Killarney in May humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.

May Average Humidity in Killarney

This chart illustrates the average monthly humidity levels in Killarney, 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 Killarney is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%69%75%79%76%77%72%73%69%61%60%69%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Killarney

In Killarney 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 Killarney.

Maximum UV Index Levels in Killarney for May

The chart shows the monthly maximum UV Index (UVI) for Killarney 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 Killarney typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1615141075589121415
Data source: Killarney 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 Killarney Compares to Other Months

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

This table compares monthly weather conditions in Killarney, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)59 mm (2.3 inches)69%extreme
February Weather22°C (72°F)79 mm (3.1 inches)69%extreme
March Weather21°C (69°F)114 mm (4.5 inches)75%extreme
April Weather17°C (63°F)20 mm (0.8 inches)79%very high
May Weather14°C (57°F)20 mm (0.8 inches)76%high
June Weather11°C (52°F)28 mm (1.1 inches)77%moderate
July Weather11°C (52°F)29 mm (1.2 inches)72%moderate
August Weather12°C (53°F)17 mm (0.7 inches)73%very high
September Weather15°C (60°F)12 mm (0.5 inches)69%very high
October Weather18°C (65°F)108 mm (4.3 inches)61%extreme
November Weather20°C (68°F)61 mm (2.4 inches)60%extreme
December Weather22°C (72°F)98 mm (3.8 inches)69%extreme

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