Sammamish, WA Weather - Forecast & Monthly Averages

TEMPERATURE	43
HUMIDITY	89
PRESSURE	102710
WIND COND.	139

New Real Estate Listings in Sammamish Area

For Sale For Rent

Search

Search Homes for Sale in Sammamish, WA

Weather Quick Facts

The highest monthly average temperature in Sammamish for August is 67.5 degrees
The lowest monthly average temperature in Sammamish for December is 40.6 degrees
The most monthly precipitation in Sammamish occurs in November with 5.7 inches
The air quality index in Sammamish is 7% worse than the national average
The pollution index in Sammamish is 1491% worse than the national average

Compare Sammamish, WA Weather

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

See all Sammamish poll results

Sammamish 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	48°F	41°F	4.7"
February	37°F	51°F	44°F	3.2"
March	40°F	55°F	46°F	4.5"
April	43°F	61°F	50°F	2.9"
May	48°F	68°F	57°F	2.1"
June	53°F	73°F	62°F	1.6"
July	58°F	80°F	67°F	0.5"
August	58°F	80°F	67°F	0.9"
September	53°F	73°F	62°F	1.8"
October	47°F	62°F	53°F	3.9"
November	40°F	53°F	46°F	5.7"
December	36°F	47°F	41°F	4.5"

The best places in Washington

Here are the best places to live in Washington

Check out the 10 safest cities in Washington

These are the largest cities in Washington

Check out the 10 most dangerous cities in Washington

Sammamish 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	Sammamish	Washington	National
Air quality index	45	36	42
Pollution index	43,367,400	4,541,850	2,726,193

Sammamish air quality

Measurement	Total
Days measured	365
Days with good air quality	236
Days with moderate air quality	127
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.020%
Benzene	0.790%
Carbon Tetrachloride	0.120%
Lead	0.210%
Mercury	0.180%

Average monthly Sammamish temperature with heat index

Sammamish monthly precipitation with daily maximum

Sammamish monthly snow depth with daily maximum

Sammamish monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Lake Forest Park, WA	13,455	45	10.0%
Bothell West, WA	19,899	45	10.0%
Maple Heights-Lake Desire, WA	3,544	45	10.0%
Riverbend, WA	2,521	45	10.0%
Lake Marcel-Stillwater, WA	1,346	45	10.0%
Sammamish, WA	65,265	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Medicine Hat, AB	65,247	n/a
Schenectady, NY	65,336	37	26.0%
Castle Rock, CO	65,176	58	16.0%
Jupiter, FL	65,139	36	28.0%
Bayonne, NJ	65,112	51	2.0%
Sammamish, WA	65,265	45	10.0%

Source: The Sammamish, 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.