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Hat Island Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January36°F46°F41°F3.8"
February37°F49°F42°F2.7"
March39°F52°F45°F4.4"
April42°F57°F48°F2.8"
May47°F64°F54°F2.2"
June51°F68°F58°F1.8"
July55°F74°F63°F0.7"
August56°F75°F63°F0.9"
September53°F69°F59°F2.0"
October47°F59°F52°F3.6"
November40°F51°F45°F5.7"
December35°F44°F39°F4.9"

Did you know?

  • The highest monthly average temperature in Hat Island for August is 63 degrees.
  • The lowest monthly average temperature in Hat Island for December is 39 degrees.
  • The most monthly precipitation in Hat Island occurs in November with 5.7 inches.
  • The air quality index in Hat Island is 1% better than the national average.
  • The pollution index in Hat Island is 211% worse than the national average.

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Compare Hat Island, WA Weather To Other Cities

Hat 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.
IndexHat IslandWashingtonNational
Air quality index493650
Pollution index15,778,9008,596,9895,066,862

Hat Island air quality information

MeasurementTotal
Days measured365
Days with good air quality195
Days with moderate air quality162
Days w/ poor A.Q. for sensitive groups8
Days with unhealthy air quality

Hat Island air quality information

PollutantTotal
Arsenic0.010%
Benzene0.270%
Carbon Tetrachloride0.040%
Lead0.160%
Mercury0.003%

Average monthly Hat Island temperature with heat index

Hat Island monthly precipitation with daily maximum

Hat Island monthly snow depth with daily maximum

Hat Island monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Lake Goodwin, WA3,6403138%
Sisco Heights, WA2,7253138%
Camano, WA15,9683138%
Kayak Point, WA1,8003138%
Lochsloy, WA2,7893138%
Hat Island, WA44492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Pronghorn, OR443236%
Jacksonburg, OH44484%
Causey, NM442648%
Rangerville, TX444118%
Ashland, OK444314%
Hat Island, WA44492%
Source: The Hat 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.