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The climate of Portland (Oregon - United States of America)
Portland is a large city located in the northern part of the state of Oregon in the vicinity of the border with the state of Washington. Portland is located in Multnomah County at the junction of the Willamette River and the Columbia River. Portland is among the 25 largest cities in the United States. Portland is known as the City of Roses. Many rose beds can be found in the city. The largest and most famous is the International Rose Test Garden. In this garden more than 7,000 roses of 550 varieties can be found. The Portland Trail Blazers who compete in the National Basketball Association play their home matches in Portland.
Portland has a Mediterranean climate characterized by pleasantly warm summers and cool to mild winters. During the winter subzero temperatures during the night are not uncommon. Annual precipitation figures are high, during the winter longer periods with precipitation may occur.

 

Climate information
The figures below are based on long term weather and climate records. They are an average for Portland:

average
 maximum
temperature (įC)

average
minimum

temperature (įC)
average
hours of sunshine

per
day
average days with precipitation
per month
average
mm
precipitation
per month
average
sea
temperature (įC)
January 7 0 3 17 n/a
February 10 2 4 15 n/a
March 13 3 6 17 n/a
April 15 4 8 14 n/a
May 19 7 9 11 n/a
June 23 10 10 8 n/a
July 26 12 11 4 n/a
August 27 12 10 5 n/a
September 23 9 8 8 n/a
October 18 6 5 12 n/a
November 11 3 3 18 n/a
December 7 1 2 19 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate figures are very useful but donít present a general impression of the climate and the eventual weather circumstances within a certain period. The figures donít always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:
 

chance of
(very) hot

weather

chance of
(very) cool
weather
chance of
long-term

precipitation
chance of
hurricanes
(cyclones)
chance of
sunny days

UV-index

January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. ďMore climate infoĒ is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, itís up to the reader to use it to itís benefit.

 

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