Old Town-Chinatown, Portland, OR Weather

Old Town-Chinatown, Portland average temperature

MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January19°F66°F41°F5.1"
February22°F65°F43°F2.0"
March28°F75°F47°F3.5"
April31°F83°F51°F2.6"
May37°F95°F59°F2.9"
June46°F102°F63°F1.4"
July51°F106°F70°F0.4"
August48°F102°F68°F0.6"
September41°F95°F64°F1.1"
October30°F78°F54°F2.6"
November27°F67°F47°F6.1"
December12°F63°F39°F5.2"
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.

The highest average temperature in Portland is July at 69.8 degrees. The coldest average temperature in Portland is December at 38.8 degrees. The most monthly precipitation in Portland occurs in November with 6.1 inches. The Portland weather information is based on the average of the previous 3-7 years of data.

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Old Town-Chinatown, Portland air quality index & pollution index

IndexOld Town-ChinatownPortlandOregon
Air quality index383832
Pollution index1,899,4101,899,4105,393,915
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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The Portland, OR air quality index is a median value which considers the most hazardous air pollutants. The Portland, OR air quality index is 18.1% greater than the Oregon average and 23.6% less than the national average.

The Portland, OR pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Portland, OR pollution index is 64.8% less than the Oregon average and 62.6% less than the national average.

Air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups12
Days with unhealthy air quality4

Air pollution information

PollutantTotal
Arsenic0.003%
Benzene0.020%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.002%

Average monthly Old Town-Chinatown, Portland temperature with heat index

Old Town-Chinatown, Portland monthly precipitation with daily maximum

Old Town-Chinatown, Portland monthly snow depth with daily maximum

Old Town-Chinatown, Portland monthly wind speed information

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Neighborhoods in & around Portland, OR

NeighborhoodScoreMiles
Alameda, Portland842.4
Eastmoreland, Portland844.3
West Slope, Beaverton844.5
Sexton Mountain, Beaverton839.4
South Cliff, Vancouver837.4
Hillsdale, Portland833.1
Corbett-Terwilliger-Lair Hill, Portland832.7
Homestead, Portland832
NeighborhoodScoreMiles
Bridlemile, Portland833.5
Raleigh West, Beaverton836
Irvington, Portland831.7
Neighbors Southwest, Beaverton839.8
Southwest Hills, Portland822.3
South Beaverton, Beaverton828.6
Five Oaks, Beaverton828.2
Triple Creek, Beaverton829.1
See all Portland neighborhoods

Cities near Portland, OR

CityScoreMiles
Rivergrove, OR8510.1
West Linn, OR8511.4
Lake Oswego, OR847.2
Cedar Mill, OR846.4
West Haven-Sylvan, OR844.7
Sherwood, OR8414.2
Durham, OR849.9
Raleigh Hills, OR845.3
CityScoreMiles
Rockcreek, OR8310
Bethany, OR838.2
Bull Mountain, OR8310.1
Maywood Park, OR835.8
Fairmount, CO8310.4
West Slope, OR835.3
Oak Hills, OR838.2
Felida, WA8212.9
See all Oregon cities