nomadseason

April Weather in Portland, Australia

Last updated: August 22, 2025

In April, the average temperature in Portland, Australia is a comfortable 15°C (60°F), with a minimum dipping to 9°C (49°F) and a pleasant maximum reaching 28°C (82°F). Expect some rain, as the area sees about 51 mm (2.0 in) of precipitation over 9 days. Humidity levels hover around a notable 76%, contributing to the region's characteristic atmosphere.

April Temperature in Portland

In April, in Portland, the average temperature is 15°C (60°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop to as low as 9°C (49°F). This mild climate makes Portland an ideal destination for travelers looking to enjoy a comfortable getaway.

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

The chart illustrates April temperature patterns in Portland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portland, April typically has an average temperature of 15°C (60°F), with highs reaching up to 28°C (82°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec646363595653525253555861
Data source: Temperature data for Portland generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Portland

In Portland in April, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

April Precipitation Trends in Portland

The chart displays monthly precipitation patterns in Portland, 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 Portland, April typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec32313652928112211386756844
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Portland

In Portland in April humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

April Average Humidity in Portland

This chart illustrates the average monthly humidity levels in Portland, 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 Portland is approximately 76%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Portland

In Portland in April, 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 Portland.

Maximum UV Index Levels in Portland for April

The chart shows the monthly maximum UV Index (UVI) for Portland 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 Portland typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121074334791114
Data source: Portland 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 Portland Compares to Other Months

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

This table compares monthly weather conditions in Portland, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)32 mm (1.3 inches)76%extreme
February Weather17°C (63°F)31 mm (1.2 inches)75%extreme
March Weather17°C (63°F)35 mm (1.4 inches)76%very high
April Weather15°C (60°F)51 mm (2.0 inches)76%high
May Weather13°C (56°F)92 mm (3.6 inches)79%moderate
June Weather11°C (53°F)81 mm (3.2 inches)78%moderate
July Weather11°C (52°F)122 mm (4.8 inches)78%moderate
August Weather11°C (52°F)113 mm (4.4 inches)77%moderate
September Weather12°C (54°F)86 mm (3.4 inches)76%high
October Weather13°C (56°F)74 mm (2.9 inches)76%very high
November Weather15°C (59°F)68 mm (2.7 inches)76%extreme
December Weather16°C (61°F)44 mm (1.7 inches)76%extreme

Compare Portland's Climate with Cities Worldwide