Friday Harbor, WA Weather - Forecast & Monthly Averages

TEMPERATURE	51
HUMIDITY	79
PRESSURE	101560
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Friday Harbor for August is 59.9 degrees
The lowest monthly average temperature in Friday Harbor for December is 40.3 degrees
The most monthly precipitation in Friday Harbor occurs in November with 2.4 inches
The air quality index in Friday Harbor is 19% better than the national average
The pollution index in Friday Harbor is 82% better than the national average

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Friday Harbor 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	36°F	46°F	41°F	2.2"
February	36°F	49°F	42°F	1.4"
March	38°F	53°F	45°F	1.3"
April	40°F	57°F	48°F	0.9"
May	43°F	64°F	52°F	0.9"
June	47°F	68°F	57°F	0.4"
July	49°F	74°F	60°F	0.2"
August	49°F	74°F	60°F	0.4"
September	48°F	69°F	57°F	1.0"
October	44°F	59°F	51°F	1.7"
November	39°F	51°F	45°F	2.4"
December	35°F	45°F	40°F	2.0"

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Friday Harbor 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	Friday Harbor	Washington	National
Air quality index	34	36	42
Pollution index	480,925	4,541,850	2,726,193

Friday Harbor air quality

Measurement	Total
Days measured	365
Days with good air quality	277
Days with moderate air quality	78
Days w/ poor A.Q. for sensitive groups	10
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.040%
Mercury	0.000%

Average monthly Friday Harbor temperature with heat index

Friday Harbor monthly precipitation with daily maximum

Friday Harbor monthly snow depth with daily maximum

Friday Harbor monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Friday Harbor, WA	2,406	34	32.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Fulton, KY	2,405	44	12.0%
Saint-Léonard-d'Aston, QC	2,405	n/a
Nice, CA	2,407	31	38.0%
Marengo, IA	2,407	39	22.0%
Rineyville, KY	2,407	39	22.0%
Friday Harbor, WA	2,406	34	32.0%

Source: The Friday Harbor, 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.