nomadseason

June Weather in Portland, Australia

Last updated: August 22, 2025

In June, the average temperature in Portland, Australia is a mild 11°C (53°F). Expect a minimum of 5°C (41°F) and a maximum of 17°C (64°F), making it a comfortable time to explore. However, be prepared for some rain, as the region sees 81 mm (3.2 in) of precipitation over 13 days, along with an average humidity level of 78%. Don't forget your umbrella! ☔️

June Temperature in Portland

In June in Portland, the average temperature is 11°C (53°F). The maximum can reach 17°C (64°F), while the minimum can be as low as 5°C (41°F). This mild weather makes Portland a comfortable destination for exploring and enjoying outdoor activities during this time of year.

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

The chart illustrates June 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, June typically has an average temperature of 11°C (53°F), with highs reaching up to 17°C (64°F) and lows dropping to around 5°C (41°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.

June Precipitation in Portland

In Portland in June, the precipitation amount is 81 mm (3.2 in) over the course of 13 days.

June Precipitation Trends in Portland

The chart displays monthly precipitation patterns in Portland, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Portland, June typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec32313652928112211386756844
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in Portland

In Portland in June, humidity is 78%. With an average temperature of 11°C (53°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities somewhat uncomfortable as you navigate through the unpredictable weather.

June Average Humidity in Portland

This chart illustrates the average monthly humidity levels in Portland, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Portland is approximately 78%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Portland

In Portland in June, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Portland, you can check the information here.

Maximum UV Index Levels in Portland for June

The chart shows the monthly maximum UV Index (UVI) for Portland in June, 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 June, the maximum UV index in Portland typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121074334791114
Data source: Portland June 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 June 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 June’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 June’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