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 index222225
Pollution index1,899,4101,899,4106,405,178
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 11.4% less than the Oregon average and 40.6% 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 70.3% less than the Oregon average and 71.3% less than the national average.

Air quality information

MeasurementTotal
Days measured273
Days with good air quality257
Days with moderate air quality16
Days w/ poor A.Q. for sensitive groups0
Days with unhealthy air quality0

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

NeighborhoodMilesNeighborhoodMiles
Old Town-Chinatown, Portland0Hosford, Portland1.7
Downtown, Portland0.5Homestead, Portland1.9
Pearl District, Portland0.7Boise, Portland2
Lloyd, Portland0.7Brooklyn, Portland2.1
Buckman, Portland0.8Northwest, Portland2.3
Eliot, Portland1.1King, Portland2.3
Kerns, Portland1.5Alameda, Portland2.4
Irvington, Portland1.6Richmond, Portland2.7
See all Portland neighborhoods

Cities near Portland, OR

CityMilesCityMiles
Portland, OR1.6Metzger, OR6.7
West Haven-Sylvan, OR4.7Beaverton, OR7.3
Raleigh Hills, OR4.8Oak Grove, OR7.5
West Slope, OR5.2Lake Oswego, OR7.7
Milwaukie, OR5.8Oak Hills, OR8.3
Garden Home-Whitford, OR6.1Tigard, OR8.4
Cedar Mill, OR6.4Vancouver, WA8.4
Cedar Hills, OR6.6Sunnyside, OR8.4
See all Oregon cities