Common information

Country
French Guiana
Population
61 550

Weather, climate, temperature by months in Cayenne

Season Autumn Winter Spring Summer
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Record high, °C 41 37 38 32 32 31 32 31 40 37 40 38 41
Average high, °C 32 32 31 30 29 29 29 30 29 30 30 31 30
Average temperature, °C 27 27 26 26 26 26 26 26 26 26 26 26 26
Average low, °C 22 22 22 23 23 23 23 23 23 23 22 22 22
Record low, °C 18 18 18 20 20 18 16 20 20 21 17 20 16
Fog, days 8 8 9 5 2 1 1 2 4 9 9 8 66
Thunderstorms, days 4 3 2 1 1 0 0 1 2 3 4 5 26
Average precipitation, mm. 74 82 154 359 439 305 394 400 599 460 244 165 3674
Relative humidity morning, % 98 98 98 97 94 92 93 94 97 98 98 97 96
Relative humidity evening, % 65 65 68 75 77 75 75 76 78 77 72 69 73
Wind speed, km/h 14 14 14 14 14 16 16 14 12 12 12 14 14
Day Length, часов 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 500 519 493 499 491 449 499 493 504 482 500 510 5939
Solar radiation, global, Mj/m2 25 24 22 19 18 20 21 21 18 18 21 24 21

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