John Day, OR Weather - Forecast & Monthly Averages

TEMPERATURE	51
HUMIDITY	71
PRESSURE	100950
WIND COND.	160 27.7

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Weather Quick Facts

The highest monthly average temperature in John Day for July is 73.2 degrees
The lowest monthly average temperature in John Day for December is 32.4 degrees
The most monthly precipitation in John Day occurs in May with 2.7 inches
The air quality index in John Day is 52% better than the national average
The pollution index in John Day is 27% worse than the national average

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John Day Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	28°F	43°F	34°F	1.8"
February	30°F	47°F	38°F	1.0"
March	34°F	54°F	42°F	1.4"
April	36°F	59°F	46°F	1.7"
May	42°F	68°F	54°F	2.7"
June	49°F	77°F	62°F	2.4"
July	56°F	90°F	73°F	2.0"
August	55°F	88°F	71°F	2.1"
September	48°F	80°F	63°F	1.7"
October	41°F	64°F	51°F	2.1"
November	33°F	50°F	40°F	1.4"
December	26°F	40°F	32°F	1.2"

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John Day air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	John Day	Oregon	National
Air quality index	20	32	42
Pollution index	3,459,540	7,156,356	2,726,193

John Day air quality

Measurement	Total
Days measured	365
Days with good air quality	344
Days with moderate air quality	21
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.003%
Benzene	0.070%
Carbon Tetrachloride	0.010%
Lead	0.004%
Mercury	0.002%

Average monthly John Day temperature with heat index

John Day monthly precipitation with daily maximum

John Day monthly snow depth with daily maximum

John Day monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Prairie City, OR	757	20	60.0%
Canyon City, OR	807	20	60.0%
Mount Vernon, OR	786	20	60.0%
John Day, OR	1,740	20	60.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Blackwater, AZ	1,740	74	48.0%
Boronda, CA	1,740	37	26.0%
Fern Acres, HI	1,740	16	68.0%
Wilder, ID	1,740	36	28.0%
Charlotte Hall, MD	1,740	47	6.0%
John Day, OR	1,740	20	60.0%

Source: The John Day, OR weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.