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April Weather in Joondalup, Australia

Last updated: August 22, 2025

In April, the average temperature in Joondalup, Australia hovers around 20°C (68°F), making it a pleasant time to visit. However, be prepared for a minimum of 9°C (49°F) and a potential maximum of 35°C (95°F). Expect some light rain, with 21 mm (0.8 in) of precipitation over about 3 days, and enjoy the refreshing average humidity of 65% that enhances the overall climate experience.

April Temperature in Joondalup

In April in Joondalup, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 9°C (49°F). This variation in temperature makes it an ideal time for travelers to prepare for both warm days and cooler evenings.

April Weather in Joondalup: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Joondalup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joondalup, April typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec757573686259585760636773
Data source: Temperature data for Joondalup 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.

April Precipitation in Joondalup

In Joondalup in April, the precipitation amount is 21 mm (0.8 in) over a period of 3 days.

April Precipitation Trends in Joondalup

The chart displays monthly precipitation patterns in Joondalup, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Joondalup, April typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec29582021541001111023939249
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Joondalup

In Joondalup in April humidity is 65%. With an average temperature of 20°C (68°F), this humidity feels quite muggy for traveling, making even short walks feel a bit sticky and requiring frequent hydration.

April Average Humidity in Joondalup

This chart illustrates the average monthly humidity levels in Joondalup, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Joondalup is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%44%50%65%69%75%74%71%61%51%45%40%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Joondalup

In Joondalup in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Joondalup.

Maximum UV Index Levels in Joondalup for April

The chart shows the monthly maximum UV Index (UVI) for Joondalup in April, 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 April, the maximum UV index in Joondalup typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141412964468111314
Data source: Joondalup April 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 April Weather in Joondalup Compares to Other Months

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

This table compares monthly weather conditions in Joondalup, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)29 mm (1.2 inches)40%extreme
February Weather24°C (75°F)58 mm (2.3 inches)44%extreme
March Weather23°C (73°F)20 mm (0.8 inches)50%extreme
April Weather20°C (68°F)21 mm (0.8 inches)65%very high
May Weather17°C (63°F)54 mm (2.1 inches)69%high
June Weather15°C (59°F)100 mm (3.9 inches)75%moderate
July Weather14°C (58°F)111 mm (4.4 inches)74%moderate
August Weather14°C (58°F)102 mm (4.0 inches)70%high
September Weather15°C (60°F)39 mm (1.5 inches)61%very high
October Weather17°C (63°F)39 mm (1.5 inches)50%extreme
November Weather20°C (68°F)24 mm (0.9 inches)45%extreme
December Weather23°C (73°F)9 mm (0.3 inches)40%extreme

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