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Climate
Summary
United States of America

AFETNA, NORTHERN MARIANA ISLANDS


Home > North America > United States > Northern Mariana Islands
Elevation: 34 meters     Latitude: 15 08N     Longitude: 145 42E

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
04:00 pm
04:32 am
Local Time
1:01 am EDT
18 April, 2024
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C272625.926.327.127.427.827.627.327.327.327.126.7

Average High Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C30.729.829.730.230.831.431.431.130.931.33129.130.3

Average Low Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C23.522.622.522.823.724.224.224.123.723.823.622.323.4

Highest Recorded Temperature
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C41.134.432.23536.1353535.636.741.136.737.236.7

Lowest Recorded Temperature
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C11.116.115.611.11516.11512.816.716.113.915.616.7

Average Number of Days Above 90F/32C
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days32.60.30.10.21.75.49.24.93.13.72.11.40.5



PRECIPITATION 
Average Precipitation
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm19719890126107112112307319253181164104

Average Number of Days With Precipitation
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days254181518202021242525242321

Most Reported Precipitation in a Month
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm573283140350264226287460447501473573246

Least Reported Precipitation in a Month
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm1919282631274139971231086528

Most Precipitation Reported in a Day
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm281.491.731.570.689.966.892.5139.7114.8150.4281.4250.7102.9

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days135878889151617151311

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days36212122557432

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days171---1------1333221



DEGREE DAYS 
Cooling Degree Days
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days3162.2238.3213.9246.7262.2281.1285.6287.2280268.3277.2263.9257.8

Growing Degree Days
Years on Record: 25  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days6615.7496448.9504.6511.7539.1535545.9537.3518.3535.6513.3516.7



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  
Hours12.511.71212.412.813.213.413.31312.612.211.811.6



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/m221.618.520.824.2262624.622.520.62019.618.817.7

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/m26.14.65.35.66.16.56.87.587.36.24.94.5

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/m222.421.222.624.925.125.525.122.219.619.920.721.120.5

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/m223.624.124.827.628.427.825.621.51818.320.823.423.5

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/m221.618.520.824.2262624.622.520.62019.618.817.7

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/m26.95.36.26.47.37.48.28.38.57.96.95.75

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/m224.723.324.526.626.527.127.425.122.323.923.423.122.6

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m22828.228.33131.43129.92723.325.925.727.327.5

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m218.916.918.422.322.923.720.219.516.716.416.916.516.2

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/m25.33.94.64.95.45.85.96.57.26.15.34.23.8

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/m219.41919.822.922.223.320.419.11616.317.718.318.5

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/m218.32019.523.622.223.417.416.111.712.315.618.419.8




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