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October Weather in Portland West, Australia

Last updated: August 22, 2025

In October, the average temperature in Portland West, Australia hovers around 13°C (56°F). The temperatures can vary, dipping to a minimum of 6°C (44°F) and peaking at a warm 27°C (81°F). Expect some rain, with an average precipitation of 74 mm (2.9 in) spread over 11 days. Overall, the air feels quite humid, with an average humidity of 76%.

October Temperature in Portland West

In October in Portland West, the average temperature is 13°C (56°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as 6°C (44°F). This range makes it a perfect time for travelers looking to enjoy mild weather and outdoor activities.

October Weather in Portland West: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Portland West, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portland West, October typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (81°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec646363595653525253555861
Data source: Temperature data for Portland West 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.

October Precipitation in Portland West

In Portland West in October, the precipitation amount is 74 mm (2.9 in) spread over the course of 11 days.

October Precipitation Trends in Portland West

The chart displays monthly precipitation patterns in Portland West, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Portland West, October typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec32313652928112211386756844
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Portland West

In Portland West in October humidity is 76%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the heavy, moisture-laden air.

October Average Humidity in Portland West

This chart illustrates the average monthly humidity levels in Portland West, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Portland West 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Portland West

In Portland West in October, 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 Portland West.

Maximum UV Index Levels in Portland West for October

The chart shows the monthly maximum UV Index (UVI) for Portland West in October, 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 October, the maximum UV index in Portland West typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121074334791114
Data source: Portland West October 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 October Weather in Portland West Compares to Other Months

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

This table compares monthly weather conditions in Portland West, showing how October’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

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