Cayenne, French Guiana Climate

Weather: 22.95°C/73.31°F, Wind SW at 0 km/h, 100% Humidity, 0% Chance of rain

French Guiana
(Photo by Karsten Winegeart on Unsplash)
Contents

Cayenne Climate Summary

Located at an elevation of 10.01 meters (32.84 feet) above sea level, Cayenne has a Tropical rainforest climate (Classification: Af). The city’s yearly temperature is 27.39ºC (81.3ºF) and it is -0.06% lower than French Guiana’s averages. Cayenne typically receives about 142.8 millimeters (5.62 inches) of precipitation and has 219.08 rainy days (60.02% of the time) annually.

CountryFrench Guiana
Longitude-52.3134531
Latitude4.92242
Attitude/Elevation10.01m (32.84ft)
Local timeFriday 01:32
Annual high temperature29.5ºC (85.1ºF)
Annual low temperature24.28ºC (75.7ºF)
Average annual precip.142.8mm (5.62in)
Warmest monthOctober (31.62ºC / 88.92ºF)
Coldest MonthJuly (23.7ºC / 74.66ºF)
Wettest MonthMay (297.52mm / 11.71in)
Driest MonthOctober (25.29mm / 1.0in)
Number of days with rainfall (≥ 1.0 mm)219.08 days (60.02%)
Days with no rain145.92 days (39.98%)
Humidity81.21%

Climate Cayenne: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)30.0(86.0)30.0(86.0)30.0(86.0)31.0(87.8)31.0(87.8)32.0(89.6)33.0(91.4)34.0(93.2)34.0(93.2)34.0(93.2)33.0(91.4)32.0(89.6)34.0(93.2)
Average high °C (°F)28.07(82.53)27.68(81.82)28.25(82.85)28.46(83.23)28.59(83.46)29.2(84.56)29.86(85.75)30.9(87.62)31.51(88.72)31.62(88.92)30.76(87.37)29.04(84.27)29.5(85.1)
Daily mean °C (°F)26.45(79.61)26.13(79.03)26.66(79.99)26.87(80.37)26.99(80.58)27.19(80.94)27.39(81.3)28.1(82.58)28.69(83.64)28.82(83.88)28.29(82.92)27.09(80.76)27.39(81.3)
Average low °C (°F)23.99(75.18)23.96(75.13)24.26(75.67)24.51(76.12)24.57(76.23)24.08(75.34)23.7(74.66)23.99(75.18)24.46(76.03)24.72(76.5)24.73(76.51)24.33(75.79)24.28(75.7)
Record low °C (°F)22.0(71.6)22.0(71.6)20.0(68.0)15.0(59.0)15.0(59.0)16.0(60.8)16.0(60.8)0.0(0)23.0(73.4)22.0(71.6)21.0(69.8)19.0(66.2)0.0(0)
Average precipitation mm (inches)149.97(5.9)165.61(6.52)126.04(4.96)215.47(8.48)297.52(11.71)216.76(8.53)138.41(5.45)75.13(2.96)32.51(1.28)25.29(1.0)78.81(3.1)192.05(7.56)142.8(5.62)
Average precipitation days (≥ 1.0 mm)21.9121.1819.2722.026.0924.9123.3614.557.456.2711.8220.2718.26
Average relative humidity (%)82.6584.4382.6683.885.2583.1381.0978.2476.5776.1278.2882.2781.21
Mean monthly sunshine hours9.78.768.989.289.6110.1210.3910.6911.0611.0710.7410.0210.03

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Cayenne in recent years.

Cayenne

Cayenne Temperature by Month

October
28.82°C | 83.88°F
September
28.69°C | 83.64°F
November
28.29°C | 82.92°F
August
28.1°C | 82.58°F
July
27.39°C | 81.3°F
June
27.19°C | 80.94°F
December
27.09°C | 80.76°F
May
26.99°C | 80.58°F
April
26.87°C | 80.37°F
March
26.66°C | 79.99°F
January
26.45°C | 79.61°F
February
26.13°C | 79.03°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature30.0°C (86.0°F)29.13°C (84.43°F)27.0°C (80.6°F)
Avg Temperature28.0°C (82.4°F)27.13°C (80.83°F)26.0°C (78.8°F)
Min Temperature25.0°C (77.0°F)24.32°C (75.78°F)20.0°C (68.0°F)
Dew PointMaxAverageMin
Dew Point23.0°C (73.4°F)21.68°C (71.02°F)21.0°C (69.8°F)
PrecipitationMaxAverageMinSum
Precipitation17.7mm | 0.7in1.86mm | 0.07in0.3mm | 0.01in57.6mm | 2.27in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind15.0kmh | 9.32mph12.58kmh | 7.82mph11.0kmh | 6.84mph
Gust Wind22.0kmh | 13.67mph19.0kmh | 11.81mph16.0kmh | 9.94mph
Sea Level PressureMaxAverageMin
Sea Level Pressure17.7mb1.86mb0.3mb
Cayenne

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-03-0127 | 80.621 | 69.87513 | 8.0829.97 | 10151.5 | 0.06
2019-03-0226 | 78.821 | 69.87712 | 7.4629.94 | 10141.6 | 0.06
2019-03-0327 | 80.621 | 69.87613 | 8.0829.94 | 10142.0 | 0.08
2019-03-0427 | 80.621 | 69.87414 | 8.729.94 | 10140.4 | 0.02
2019-03-0527 | 80.621 | 69.87613 | 8.0829.94 | 10140.8 | 0.03
2019-03-0627 | 80.622 | 71.67913 | 8.0829.94 | 10141.4 | 0.06
2019-03-0727 | 80.621 | 69.87513 | 8.0829.94 | 10140.4 | 0.02
2019-03-0828 | 82.421 | 69.87312 | 7.4629.94 | 10140.4 | 0.02
2019-03-0927 | 80.622 | 71.67715 | 9.3229.91 | 10132.2 | 0.09
2019-03-1027 | 80.622 | 71.67715 | 9.3229.91 | 10132.3 | 0.09
2019-03-1127 | 80.622 | 71.67613 | 8.0829.88 | 10122.0 | 0.08
2019-03-1227 | 80.621 | 69.87412 | 7.4629.91 | 10130.5 | 0.02
2019-03-1327 | 80.621 | 69.87412 | 7.4629.91 | 10130.4 | 0.02
2019-03-1426 | 78.823 | 73.48711 | 6.8429.88 | 101217.7 | 0.7
2019-03-1527 | 80.622 | 71.68012 | 7.4629.88 | 10120.5 | 0.02
2019-03-1627 | 80.622 | 71.67811 | 6.8429.91 | 10130.3 | 0.01
2019-03-1727 | 80.621 | 69.87511 | 6.8429.91 | 10130.8 | 0.03
2019-03-1827 | 80.621 | 69.87611 | 6.8429.88 | 10120.8 | 0.03
2019-03-1927 | 80.623 | 73.48213 | 8.0829.88 | 10121.4 | 0.06
2019-03-2027 | 80.623 | 73.48013 | 8.0829.88 | 10121.8 | 0.07
2019-03-2128 | 82.421 | 69.87411 | 6.8429.88 | 10120.3 | 0.01
2019-03-2227 | 80.622 | 71.67912 | 7.4629.91 | 10130.5 | 0.02
2019-03-2327 | 80.622 | 71.67614 | 8.729.94 | 10141.8 | 0.07
2019-03-2426 | 78.822 | 71.68313 | 8.0829.94 | 10148.1 | 0.32
2019-03-2527 | 80.622 | 71.67613 | 8.0829.91 | 10131.4 | 0.06
2019-03-2627 | 80.621 | 69.87511 | 6.8429.88 | 10120.7 | 0.03
2019-03-2728 | 82.422 | 71.67712 | 7.4629.88 | 10121.3 | 0.05
2019-03-2828 | 82.422 | 71.67614 | 8.729.91 | 10131.6 | 0.06
2019-03-2928 | 82.422 | 71.67313 | 8.0829.91 | 10130.6 | 0.02
2019-03-3028 | 82.422 | 71.67613 | 8.0829.88 | 10121.7 | 0.07
2019-03-3128 | 82.422 | 71.67412 | 7.4629.91 | 10130.4 | 0.02

Cayenne 10 Year Historical Weather Data

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