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French Guiana

CAYENNE, FRENCH GUIANA


Home > South America > French Guiana
Elevation: 9 meters     Latitude: 04 50N     Longitude: 052 22W

WEATHER
 
CURRENT CONDITIONS

As of 16 October, 2019 @ 9:00 am EDT
(23 Minutes Ago)

Mostly Cloudy
Temperature
31.0°C
Humidity
62.5 %
Wind
24.1 km/h
Sunrise/Set
05:14 am
05:15 pm
Visibility
10 km
Dew Point
23.0 °C
Pressure
N/A
Local Time
9:23 am EDT
16 October, 2019
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C26262626262626262627272626

Average High Temperature
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C29272828282828293031303028

Average Low Temperature
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C23232323232323222222222223

Highest Recorded Temperature
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C41323132314037403841373832

Lowest Recorded Temperature
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C16201816202021172018181820

Average Number of Days Above 86F/30C
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days191559131415212426262213

Average Number of Days Below 75F/23C
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days296232021192428292826272626



PRECIPITATION 
Average Precipitation
Years on Record: 143  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm32003803203803805103902001004050120290

Average Number of Days With Precipitation
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2012117222227241910551118



PRECIPITATION - RAIN 
Average Number of Days With Thunderstorms
Years on Record: 18  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days261------123454321

Most Rain Reported in a Month
Years on Record: 143  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm5420880920930920970800440330210290450860

Least Recorded Rainfall
Years on Record: 143  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm68060201040---------------------50



HUMIDITY 
Average Morning Relative Humidity
Years on Record: 14  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
%96949293949798989798989897

Average Evening Relative Humidity
Years on Record: 15  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
%73777575767877726965656875

Average Dew Point
Years on Record: 14  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C23222222232323232322232323



DEGREE DAYS 
Cooling Degree Days
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days3084.7223.9211.9241.1241.7249.7233.3241.1249.7258.3258.3241.7241.1

Growing Degree Days
Years on Record: 19  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days6335.2482.2447.3499.4491.7508.1483.3499.4508.1508.3516.7491.7499.4



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  
Hours12.512.212.312.412.612.712.812.712.612.512.412.312.2

Average Number of Days With Fog
Years on Record: 18  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days66211249988895



WIND 
Average Wind Speed
Years on Record: 14  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
km/h14141616141212121414141414



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/m220.918.420.221.220.718.318.221.323.524.923.921.519.2

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/m26.86.677.67.77.67.36.76.56.35.95.86.1

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m22118.820.421.120.518.218.221.423.324.624.12219.7

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/m220.918.419.619.518.515.616.221.624.326.326.224.220.9

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/m220.918.420.221.220.718.318.221.323.524.923.921.519.2

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/m27.47.17.78.28.37.97.67.37.37.16.86.76.8

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/m223.522.123.4232421.620.723.524.925.725.724.422.7

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/m225.624.825.22324.921.420.625.727.528.829.629.127

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/m21815.817.118.214.513.615.619.321.222.821.719.116.6

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/m265.76.176.76.96.85.95.95.75.24.95.1

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m2181617.21814.413.515.619.32122.521.919.517

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/m215.613.51414.38.98.511.817.719.922.121.919.215.7




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Forecast data from The Norwegian Meteorological Institute; Current conditions data from the National Weather Service
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