May Weather in Rottnest Island

Last updated: March 2, 2024

The weather in Rottnest Island, Australia, during May is characterized by an average temperature of 18°C (66°F). Highs can soar to 23°C (73°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Rottnest Island throughout May hovers around 72%.

14°C (57°F)

Minimum temperature

18°C (66°F)

Average temperature

23°C (73°F)

Maximum temperature

72%

Humidity

Precipitation and Sunshine hours

In May, Rottnest Island averages 80 mm (3.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 10 hours 28 minutes of daylight, with the sun shining for approximately 9 hours 0 minutes each day. Additionally, there is a 43% probability of sunny days during this period.

80 mm (3.1 inches)

Precipitation

10 rainy days

Rainy days

9 hours 0 minutes

Sunshine hours

43%

Chance of sun

UV Index

In May, the UV Index in Rottnest Island reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 4 5 6 5 4 2 1 1 0 0
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

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