SAINT JOHN HARBOR, ALASKA

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Elevation: 10 meters Latitude: 56 28N Longitude: 133 06W

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DAILY WEATHER AVERAGE - 18 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.8 ^°C	15.2 ^°C	10.6 ^°C	21 ^°C (2004)	8 ^°C (1997)
Dewpoint	10.7 ^°C	12.3 ^°C	9.1 ^°C	15 ^°C (2004)	7 ^°C (2010)
Humidity	88 ^%	97.3 ^%	74.6 ^%		63 ^% (2010)
Barometer	1015.2 ^hPa	1017.3 ^hPa	1013.2 ^hPa	1025.4 ^hPa (2006)	1002.4 ^hPa (2008)
Wind Speed	3.9 ^km/h	12.7 ^km/h		20.4 ^km/h (2013)
Wind Gust		29.6 ^km/h		35.2 ^km/h (2015)
Precipitation	13.97 ^mm			39.37 ^mm (2003)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	ENE (58.2 °)

Weather Element	Total
Heating Degree Days	5.4 (Base 18.3)
Growing Degree Days	2.9 (Base 10)

Total Years on Record: 20

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