Grants Pass, OR Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Grants Pass for August is 64.6 degrees
The lowest monthly average temperature in Grants Pass for December is 35.9 degrees
The most monthly precipitation in Grants Pass occurs in December with 8.9 inches
The air quality index in Grants Pass is 38% better than the national average
The pollution index in Grants Pass is 408% worse than the national average

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Grants Pass 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	33°F	44°F	38°F	6.6"
February	33°F	45°F	38°F	6.4"
March	33°F	47°F	39°F	6.7"
April	35°F	53°F	42°F	3.3"
May	41°F	63°F	49°F	2.2"
June	46°F	69°F	55°F	1.3"
July	54°F	78°F	64°F	0.3"
August	55°F	79°F	65°F	0.2"
September	51°F	72°F	59°F	1.0"
October	44°F	59°F	50°F	3.8"
November	36°F	47°F	41°F	6.1"
December	31°F	42°F	36°F	8.9"

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Grants Pass 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	Grants Pass	Oregon	National
Air quality index	26	32	42
Pollution index	13,842,600	7,156,356	2,726,193

Grants Pass air quality

Measurement	Total
Days measured	365
Days with good air quality	283
Days with moderate air quality	77
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.020%
Benzene	0.210%
Carbon Tetrachloride	0.030%
Lead	0.030%
Mercury	0.020%

Average monthly Grants Pass temperature with heat index

Grants Pass monthly precipitation with daily maximum

Grants Pass monthly snow depth with daily maximum

Grants Pass monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Merlin, OR	1,792	26	48.0%
Foots Creek, OR	796	26	48.0%
Williams, OR	1,379	26	48.0%
New Hope, OR	1,236	26	48.0%
Wimer, OR	506	26	48.0%
Grants Pass, OR	37,938	26	48.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Parkland, WA	37,946	30	40.0%
Prince Albert, SK	37,925	n/a
Longview, WA	37,914	18	64.0%
Kailua, HI	37,900	30	40.0%
East Meadow, NY	37,992	51	2.0%
Grants Pass, OR	37,938	26	48.0%

Source: The Grants Pass, 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.