Last updated: June 24, 2025
In Portland, United States, the average temperature in June hovers around 22°C (73°F), with a minimum dipping to 9°C (48°F) and a maximum reaching up to 34°C (93°F). Expect about 114 mm (4.5 in) of precipitation spread over 13 days, contributing to an average humidity of 82%. Stay prepared for a mix of warmth and occasional rain!
In June in Portland, the average temperature is 22°C (73°F). Maximum temperatures can reach 34°C (93°F), while minimums can dip as low as 9°C (48°F). This varied climate makes Portland a perfect destination for travelers looking to enjoy both warm days and cooler evenings.
In Portland in June, the total precipitation amount is 114 mm (4.5 in), distributed over the course of 13 days.
In Portland in June, humidity is 82%. With an average temperature of 22°C (73°F), this humidity feels like a warm, heavy embrace, making traveling feel sticky and draining, but the tropical atmosphere also brings a lush vibrancy to the surroundings.
In Portland in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Portland.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -2°C (29°F) | 74 mm (2.9 inches) | 85% | moderate |
February Weather | 0°C (32°F) | 88 mm (3.4 inches) | 85% | moderate |
March Weather | 5°C (42°F) | 101 mm (4.0 inches) | 86% | high |
April Weather | 10°C (51°F) | 93 mm (3.7 inches) | 87% | very high |
May Weather | 17°C (63°F) | 127 mm (5.0 inches) | 81% | very high |
June Weather | 22°C (73°F) | 114 mm (4.5 inches) | 82% | extreme |
July Weather | 24°C (76°F) | 101 mm (4.0 inches) | 81% | very high |
August Weather | 23°C (74°F) | 102 mm (4.0 inches) | 79% | very high |
September Weather | 20°C (69°F) | 75 mm (2.9 inches) | 78% | very high |
October Weather | 14°C (57°F) | 97 mm (3.8 inches) | 81% | high |
November Weather | 5°C (42°F) | 82 mm (3.2 inches) | 89% | moderate |
December Weather | 2°C (35°F) | 67 mm (2.7 inches) | 86% | low |