Portland Weather in June
As Portland, Oregon moves into months of dry summer weather, June has a noticeable decline in the frequency of rain. The days are mostly warm, with temperatures reaching into the 70s F (over 20 °C).
This page gives detailed information on the typical June weather for Portland.
You can jump directly to data and descriptions for:
The numbers here are historical averages based on climate data gathered near the Portland International Airport, located a few miles from downtown Portland.
|73 °F||June average high||23 °C|
|52 °F||June average low||11 °C|
In most years, Portland averages a daily maximum temperature for June that's between 70 and 77 degrees Fahrenheit (21 to 25 degrees Celsius). The minimum temperature usually falls between 51 and 54 °F (11 to 12 °C).
The days at Portland warm steadily during June. By the end of the month, the temperature has climbed around 6 °F (3 °C) above what it was at the start.
|19 days||70 °F max. or more (21 °C)|
|9 days||50 °F min. or less (10 °C)|
Nearly every day in June warms to over 60 °F (over 16 °C) in Portland. The city averages 7 days this month when the thermometer reaches into the 80s °F (27 °C). Temperatures of 100 °F (38 °C) or above occur here during June about once a decade.
Most nights, the thermometer dips to 60 °F (16 °C) or below. But June does not normally get as cold as 40 °F (4 °C).
|2.1 in||total precipitation||53 mm|
|10 days||of rain|
Half the time, Portland receives 1 to 3 inches (30 to 74 mm) of rainfall in June. One in four years has drier weather, while another one in four is wetter.
|6 days||clear skies|
The sun's rays reach the ground in Portland during 56 percent of daylight hours on average in June, for a total of 263 hours in the month. Typically on 6 days this month the sky is mainly clear, with at most 30 percent cloud cover.
Sunlight in June at Portland averages 15 hours and 37 minutes a day. The longest days of the year, from around June 17th to 23rd, last 15 hours and 41 minutes from sunrise to sunset.
|66 %||June average humidity|
The relative humidity in Portland during June usually peaks at 82 percent in the morning then drops to 49 percent by mid afternoon.
|Local Time||1 am||4 am||7 am||10 am||1 pm||4 pm||7 pm||10 pm|
|7.2 mph||June wind speed average||11.6 kph|
June is less windy than most other months in Portland.
|1 day||rainfall of 0.5 inches (13 mm) or more|
|1 day||with thunderstorms in June|
About every five years, it rains an inch (25 mm) or more during a single day this month in Portland. A June thunderstorm passes over the city in most, but not all, years.
These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity and thunderstorm statistics are 1961-1990 normals.