Ketron Island, WA Weather - Forecast & Monthly Averages

TEMPERATURE	40
HUMIDITY	92
PRESSURE	101253.02
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Ketron Island for July is 65.1 degrees
The lowest monthly average temperature in Ketron Island for December is 37.7 degrees
The most monthly precipitation in Ketron Island occurs in January with 9 inches
The air quality index in Ketron Island is 29% better than the national average
The pollution index in Ketron Island is 146% worse than the national average

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Ketron Island 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"

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Ketron Island 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	Ketron Island	Washington	National
Air quality index	30	36	42
Pollution index	6,704,330	4,541,850	2,726,193

Ketron Island 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	0.003%
Benzene	0.100%
Carbon Tetrachloride	0.004%
Lead	0.030%
Mercury	0.003%

Average monthly Ketron Island temperature with heat index

Ketron Island monthly precipitation with daily maximum

Ketron Island monthly snow depth with daily maximum

Ketron Island monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Browns Point, WA	961	18	64.0%
Raft Island, WA	416	18	64.0%
Gig Harbor, WA	10,280	18	64.0%
Key Center, WA	3,631	18	64.0%
Vaughn, WA	1,052	18	64.0%
Ketron Island, WA	0	30	40.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Chase, AK	0	31	38.0%
Chiniak, AK	0	31	38.0%
Chisana, AK	0	31	38.0%
Dot Lake, AK	0	38	24.0%
Eureka Roadhouse, AK	0	31	38.0%
Ketron Island, WA	0	30	40.0%

Source: The Ketron Island, 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.