Content
SEND FEEDBACK

Monthly
Summary
Climate
Summary
United States of America

ST. MARYS, ALASKA


Home > North America > United States > Alaska
Elevation: 1 meter     Latitude: 62 04N     Longitude: 163 11W

WEATHER
 
CURRENT CONDITIONS

 
SHARE

PRINT THIS DATA

MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-1.2-12.9-13.7----3.76.110.412.911.87.1-1-8.5-14.2

Average High Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C3-9.3-9.4-50.69.815.217.916.811.62.5-5.6-10.1

Average Low Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-5.8-16.9-18.2-14.8-8.20.35.27.97.22.2-4.9-12.5-17.9

Highest Recorded Temperature
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C28.97.8515.625.626.728.328.922.813.96.1528.9

Lowest Recorded Temperature
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-42.2-42.2-41.1-35.6-16.7-3.3-1.1-1.7-9.4-25-33.9-40.6-42.2

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  
Days2242930.327.527.814.12.10.21.28.82528.629.4

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  
Days58.613.214.63.1---------------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  
mm484261820202153688059404138

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  
Days13910788913151815141111

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  
mm1675850105776115413213616788104100

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  
mm------------------311233816

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  
mm32.519.114.232.525.61824.130.228.720.319.822.626.7

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  
Days59322337897555

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  
Days8---------------1121111

Average Precipitable Water
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm.10.50.60.50.71.11.621.91.40.90.70.6



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm172.224.112.720.313.72.82------214.738.141.7

Average Snow Cover
Years on Record: 17  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm15334343335---------------725

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  
cm103.649.543.9101.845.725.631.5------35.345.271.4103.6



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  
Days5176.1796.1748.3677.8495.6213.386.733.949.4172.2427.2637.8837.8

Cooling Degree Days
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days3.3---------------0.62.20.6------------

Growing Degree Days
Years on Record: 34  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days157.2------------12.188.356.8---------------



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  
km/h18.12123.621.219.416.614.714.415.515.816.31920.1



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  
Mj/m28.90.82.97.513.718.719.916.311.78.44.51.40.3

Average Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m24.90.61.94.57.18.9109.37.64.92.810.3

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m210.12.2611.716.917.51714.311.310.78.24.21.2

Average Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m29.91.95.19.816.120.720.414.79.1107.33.50.2

Maximum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m28.90.82.97.513.718.719.916.311.78.44.51.40.3

Maximum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m25.20.62.557.39109.585.23.11.10.4

Maximum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m2132.8915.52220.819.818.416.613.210.25.52.2

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m214.32.5814.222.726.527.123.418.113.394.81.9

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m270.62.35.611.415.117.110.896.13.81.30.3

Minimum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m24.60.51.73.978.89.98.56.74.32.50.90.2

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m27.61.54.27.813.613.714.59.38.56.96.43.50.8

Minimum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m261.23.35.510.713.214.94.95.15.15.82.90.2




NEARBY - MAP

Map
Show Other Locations
   
NEARBY - LIST

   


WEATHER FORECAST





STORIES FROM OUR PARTNERS