Grand Ronde, OR Weather - Forecast & Monthly Averages

TEMPERATURE	46
HUMIDITY	99
PRESSURE
WIND COND.	50 2

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Weather Quick Facts

The highest monthly average temperature in Grand Ronde for July is 68.6 degrees
The lowest monthly average temperature in Grand Ronde for January is 39.7 degrees
The most monthly precipitation in Grand Ronde occurs in December with 10.4 inches
The air quality index in Grand Ronde is 24% better than the national average
The pollution index in Grand Ronde is 17% worse than the national average

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Grand Ronde 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	34°F	48°F	40°F	4.4"
February	34°F	53°F	43°F	4.3"
March	39°F	60°F	48°F	3.8"
April	40°F	62°F	50°F	2.8"
May	45°F	70°F	57°F	3.3"
June	48°F	73°F	60°F	2.8"
July	53°F	85°F	69°F	1.2"
August	51°F	86°F	67°F	3.2"
September	46°F	77°F	61°F	3.1"
October	45°F	63°F	52°F	4.0"
November	36°F	53°F	43°F	5.8"
December	36°F	47°F	41°F	10.4"

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Grand Ronde 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	Grand Ronde	Oregon	National
Air quality index	32	32	42
Pollution index	3,182,180	7,156,356	2,726,193

Grand Ronde air quality

Measurement	Total
Days measured	356
Days with good air quality	302
Days with moderate air quality	54
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.040%
Carbon Tetrachloride	0.030%
Lead	0.190%
Mercury	0.110%

Average monthly Grand Ronde temperature with heat index

Grand Ronde monthly precipitation with daily maximum

Grand Ronde monthly snow depth with daily maximum

Grand Ronde monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Cloverdale, OR	146	32	36.0%
Sheridan, OR	6,122	32	36.0%
Rose Lodge, OR	1,316	32	36.0%
Willamina, OR	2,425	32	36.0%
Falls City, OR	1,496	32	36.0%
Grand Ronde, OR	1,479	32	36.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Salem, NC	1,479	43	14.0%
Calvert, TX	1,479	38	24.0%
Carrizo Hill, TX	1,479	25	50.0%
Strong, ON	1,479	n/a
Akron, IA	1,478	35	30.0%
Grand Ronde, OR	1,479	32	36.0%

Source: The Grand Ronde, 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.