Roy, WA Weather - Forecast & Monthly Averages

TEMPERATURE	43
HUMIDITY	100
PRESSURE	101083.7
WIND COND.

New Real Estate Listings in Roy Area

For Sale For Rent

Search

Search Homes for Sale in Roy, WA

Weather Quick Facts

The highest monthly average temperature in Roy for July is 65.1 degrees
The lowest monthly average temperature in Roy for December is 37.7 degrees
The most monthly precipitation in Roy occurs in January with 9 inches
The air quality index in Roy is 29% better than the national average
The pollution index in Roy is 154% worse than the national average

Compare Roy, WA Weather

Write a review to give others more information about this area.

See all Roy poll results

Roy 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	46°F	39°F	9.0"
February	34°F	49°F	40°F	4.0"
March	36°F	52°F	43°F	4.2"
April	38°F	58°F	47°F	2.9"
May	43°F	65°F	53°F	4.4"
June	49°F	70°F	59°F	3.3"
July	54°F	79°F	65°F	1.9"
August	53°F	77°F	64°F	3.2"
September	49°F	72°F	59°F	3.7"
October	42°F	60°F	50°F	5.2"
November	39°F	51°F	44°F	8.1"
December	32°F	44°F	38°F	6.1"

The best places in Washington

Here are the best places to live in Washington

See the best places to live in Roy

Check out the 10 most dangerous cities in Washington

These are the largest cities in Washington

Roy 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	Roy	Washington	National
Air quality index	30	36	42
Pollution index	6,915,950	4,541,850	2,726,193

Roy air quality

Measurement	Total
Days measured	365
Days with good air quality	323
Days with moderate air quality	42
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.110%
Carbon Tetrachloride	0.010%
Lead	0.000%
Mercury	0.001%

Average monthly Roy temperature with heat index

Roy monthly precipitation with daily maximum

Roy monthly snow depth with daily maximum

Roy monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Alder, WA	134	20	60.0%
Tenino, WA	1,744	20	60.0%
Clear Lake CDP (Pierce County), WA	942	30	40.0%
La Grande, WA	88	30	40.0%
Summit, WA	8,993	30	40.0%
Roy, WA	814	30	40.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Adair, IA	814	39	22.0%
Science Hill, KY	814	40	20.0%
Cleveland, NY	814	37	26.0%
Poestenkill, NY	814	37	26.0%
Eastview, TN	814	27	46.0%
Roy, WA	814	30	40.0%

Source: The Roy, WA 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.