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United States of America

ST. MARYS, ALASKA


Home > North America > United States > Alaska
Elevation: 3 feet     Latitude: 62 04N     Longitude: 163 11W

WEATHER
 
CURRENT CONDITIONS

 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °C ]   °F
TEMPERATURE 
Average Temperature
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 29.88.87.3---25.342.950.755.353.344.730.216.76.4

Average High Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 37.415.215.12333.149.659.364.362.352.836.52213.9

Average Low Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 21.51.5-0.75.317.232.641.446.344.935.923.29.5-0.2

Highest Recorded Temperature
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F 84464160788083847357434184

Lowest Recorded Temperature
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F -44-44-42-32226302915-13-29-41-44

Average Number of Days Below 32F/0C
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 2242930.327.527.814.12.10.21.28.82528.629.4

Average Number of Days Below 0F/-17C
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 58.613.214.63.1---------------0.55.916.35



PRECIPITATION 
Average Precipitation
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 19.110.70.80.80.82.12.73.12.31.61.61.5

Average Number of Days With Precipitation
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 13910788913151815141111

Most Reported Precipitation in a Month
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 6.62.324.132.46.15.25.36.63.54.13.9

Least Reported Precipitation in a Month
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in ------------------0.10.40.90.10.3---0.2

Most Precipitation Reported in a Day
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 1.30.80.61.310.711.21.10.80.80.91.1

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 59322337897555

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 8---------------1121111

Average Precipitable Water
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.0.40.20.20.20.30.40.60.80.80.50.30.30.2



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 67.89.5585.41.10.8------0.85.81516.4

Average Snow Cover
Years on Record: 17  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in.6131717132---------------310

Most Snow Reported in a Month
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in 40.819.517.340.11810.112.4------13.917.828.140.8



HUMIDITY 
Average Relative Humidity
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
%76.873.777.171.974.97271.278.183.382.58178.377.8



DEGREE DAYS 
Heating Degree Days
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 9317143313471220892384156618931076911481508

Cooling Degree Days
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days 6---------------141------------

Growing Degree Days
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days283------------21.7159102.3---------------



SKY CONDITIONS 
Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Hours13.67.39.812.715.819.522.120.316.813.610.67.96.4

Average Total Sky Cover
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
%60.749.353.94754.260.963.972.474.472.165.361.853.3

Average Opaque Sky Cover
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
%53.743.745.940.747.152.55564.769.86558.155.348.6



WIND 
Average Wind Speed
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
mph11.31314.713.212.110.39.18.99.69.810.111.812.5



SOLAR RADIATION 
Average Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.50.20.82.13.85.25.54.53.22.31.30.40.1

Average Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.40.20.51.222.52.82.62.11.40.80.30.1

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.80.61.73.24.74.94.743.232.31.20.3

Average Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.80.51.42.74.55.75.74.12.52.8210.1

Maximum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.50.20.82.13.85.25.54.53.22.31.30.40.1

Maximum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.40.20.71.422.52.82.62.21.40.90.30.1

Maximum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m23.60.82.54.36.15.85.55.14.63.72.81.50.6

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m240.72.23.96.37.47.56.553.72.51.30.5

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.90.20.61.63.24.24.732.51.71.10.40.1

Minimum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.30.10.51.11.92.52.82.41.91.20.70.30.1

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.10.41.22.23.83.842.62.41.91.810.2

Minimum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.70.30.91.533.74.11.41.41.41.60.80.1




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