French Guiana - General information
Region region
Capital Cayenne
Language French
Currency Euro
Population 250,109
Phone code + 594
Coordinates of French Guiana
Time Zone America/Cayenne
GMT -3
DST -3
Latitude 4.000000000
Longitude -53.000000000
Elevation (STRM3) 195 m.

List of largest cities in French Guiana

 
Cayenne Cayenne
Cayenne Guyane
61,550
Matoury Matoury
Matoury Guyane
26,350
Saint-Laurent-du-Maroni Saint-Laurent-du-Maroni
Saint-Laurent-du-Maroni Guyane
24,287
Kourou Kourou
Kourou Guyane
24,029
Remire-Montjoly Remire-Montjoly
Remire-Montjoly Guyane
19,029
Macouria Macouria
Macouria Guyane
8,773

Weather, climate, temperature by months in French Guiana

Season Autumn Winter Spring Summer
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Record high °C 41 38 38 33 35 32 34 32 38 36 39 39 41
Average high °C 31 31 30 29 28 28 29 29 29 29 29 30 29
Average temperature °C 27 27 26 26 26 26 26 26 26 26 26 26 26
Average low °C 22 23 22 23 23 23 23 23 23 23 22 23 23
Record low °C 19 19 19 20 20 18 17 20 20 21 18 20 17
Fog Days 6 7 7 4 1 1 1 1 3 7 7 6 51
Thunderstorms Days 5 4 3 1 1 0 0 1 2 3 5 6 30
Average precipitation Mm. 65 72 132 284 343 255 309 339 486 386 221 130 3022
Relative humidity morning % 98 98 98 97 95 93 94 95 97 98 98 97 97
Relative humidity evening % 65 66 69 76 76 74 74 75 78 78 73 69 73
Wind speed Km/h 12 12 12 12 13 14 14 13 10 10 10 12 12
Day Length Hours 13 12 12 12 12 12 12 13 13 13 13 13 12
Dew point °C 22 23 23 23 22 22 22 23 23 23 23 23 272
Growing degree-day °C 506 521 491 492 483 446 496 485 500 476 494 510 5898
Solar radiation, global Mj/m2 24 23 21 19 18 20 21 20 18 18 21 23 21
Show more