Weather in June in Portland, Oregon

• The average temperature in Portland, Oregon in June is very mild at 17.5 °C (63.5 °F).
• Afternoons can be fairly hot with average high temperatures reaching 23.3 °C (73.9 °F).
• Overnight temperatures are generally quite mild with an average low of 11.6 °C (52.9 °F).
• In June the mean diurnal temperature variation/ range is 11.7 °C (21.1 °F).
• Precipitation averages for June are low with 37.6mm (1.5 in) recorded across 9 days.
• The skies in Portland, Oregon are fine with an average of a detectable 6h 30' of splendid sunlight per day.
• The shortest day is 15h 26' long and the longest day is 15h 41' long with an average length of 15h 37'.
• There are approximately 8h 55' per day when the sun is occluded by cloud, haze, fog etc.
• It is sunny approximately 42.2% of daylight hours and cloudy 57.8% of daylight hours.

Weather Trend Graph for June in Portland, Oregon, Usa