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United States of America

ROCKVILLE, MARYLAND


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Elevation: 127 meters     Latitude: 39 06N     Longitude: 077 06W

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
07:35 am
06:08 pm
Local Time
6:45 pm EDT
31 October, 2024
 
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MONTHLY - WEATHER AVERAGES SUMMARY   [ Show All Data ]
[ °F ]   °C
Average Temperature
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C12.81.126.712.617.522.124.423.519.713.77.92.6

Average High Temperature
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C18.65.97.312.719.223.928.130.329.325.719.913.67.4

Average Low Temperature
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C7-3.8-3.30.7611.115.918.517.713.77.52.3-2.4

Average Precipitation
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm102677679079101999910087747974

Average Number of Days With Precipitation
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1079810101110997789

Highest Recorded Temperature
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C40.625.627.831.737.836.138.940.64037.233.929.426.7

Lowest Recorded Temperature
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-25-25-24.4-17.2-7.8-2.21.73.33.9-2.2-6.7-12.2-24.4

Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Hours12.710.311.212.413.714.915.415.114.112.911.610.510

Average Number of Days Above 90F/32C
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days24.9---------0.31.34.99.56.52.20.1------

Average Number of Days Below 32F/0C
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days98.723.520.915.13.60.3---------0.12.511.321.4

Average Snowfall
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm.48.315.813.58.10.5------------------2.38.1

Most Rain Reported in a Month
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm1654208160204194227374249264289214198162

Least Rain Reported in a Month
Years on Record: 100  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm6628629---17952---108

Average Number of Days With Snow
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days7.731.91.10.1------------------0.31.3




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