Grand Bassin, Cayenne, French Guiana Climate

Weather: 25.77°C/78.39°F, Wind SW at 0.7 km/h, 97% Humidity, 0% Chance of rain

French Guiana
(Photo by Trac Vu on Unsplash)
Contents

Grand Bassin Climate Summary

Located at an elevation of 33.28 meters (109.19 feet) above sea level, Grand Bassin has a Tropical rainforest climate (Classification: Af). The district’s yearly temperature is 27.01ºC (80.62ºF) and it is -0.44% lower than French Guiana’s averages. Grand Bassin typically receives about 140.79 millimeters (5.54 inches) of precipitation and has 216.0 rainy days (59.18% of the time) annually.

CountryFrench Guiana
CityCayenne
Longitude-52.506248
Latitude4.528123
Attitude/Elevation33.28m (109.19ft)
Local timeSaturday 09:09
Annual high temperature29.09ºC (84.36ºF)
Annual low temperature23.94ºC (75.09ºF)
Average annual precip.140.79mm (5.54in)
Warmest monthOctober (31.18ºC / 88.12ºF)
Coldest MonthJuly (23.37ºC / 74.07ºF)
Wettest MonthMay (293.35mm / 11.55in)
Driest MonthOctober (24.94mm / 0.98in)
Number of days with rainfall (≥ 1.0 mm)216.0 days (59.18%)
Days with no rain149.0 days (40.82%)
Humidity80.07%

Climate Grand Bassin: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)29.58(85.24)29.58(85.24)29.58(85.24)30.57(87.03)30.57(87.03)31.55(88.79)32.54(90.57)33.52(92.34)33.52(92.34)33.52(92.34)32.54(90.57)31.55(88.79)33.52(92.34)
Average high °C (°F)27.68(81.82)27.29(81.12)27.85(82.13)28.06(82.51)28.19(82.74)28.79(83.82)29.44(84.99)30.47(86.85)31.07(87.93)31.18(88.12)30.33(86.59)28.63(83.53)29.09(84.36)
Daily mean °C (°F)26.08(78.94)25.76(78.37)26.29(79.32)26.49(79.68)26.61(79.9)26.81(80.26)27.01(80.62)27.71(81.88)28.29(82.92)28.42(83.16)27.89(82.2)26.71(80.08)27.01(80.62)
Average low °C (°F)23.65(74.57)23.62(74.52)23.92(75.06)24.17(75.51)24.23(75.61)23.74(74.73)23.37(74.07)23.65(74.57)24.12(75.42)24.37(75.87)24.38(75.88)23.99(75.18)23.94(75.09)
Record low °C (°F)21.69(71.04)21.69(71.04)19.72(67.5)14.79(58.62)14.79(58.62)15.78(60.4)15.78(60.4)0.0(0)22.68(72.82)21.69(71.04)20.71(69.28)18.73(65.71)0.0(0)
Average precipitation mm (inches)147.87(5.82)163.29(6.43)124.28(4.89)212.45(8.36)293.35(11.55)213.73(8.41)136.47(5.37)74.08(2.92)32.05(1.26)24.94(0.98)77.71(3.06)189.36(7.46)140.8(5.54)
Average precipitation days (≥ 1.0 mm)21.620.8819.021.6925.7224.5623.0314.357.356.1811.6519.9918.0
Average relative humidity (%)81.4983.2581.582.6384.0681.9779.9577.1475.575.0577.1881.1280.07
Mean monthly sunshine hours9.568.648.859.159.489.9810.2410.5410.9110.9210.599.889.89

Climate Graph

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

Grand Bassin

Grand Bassin Temperature by Month

October
28.42°C | 83.16°F
September
28.29°C | 82.92°F
November
27.89°C | 82.2°F
August
27.71°C | 81.88°F
July
27.01°C | 80.62°F
June
26.81°C | 80.26°F
December
26.71°C | 80.08°F
May
26.61°C | 79.9°F
April
26.49°C | 79.68°F
March
26.29°C | 79.32°F
January
26.08°C | 78.94°F
February
25.76°C | 78.37°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 Temperature30.57°C (87.03°F)27.39°C (81.3°F)25.64°C (78.15°F)
Avg Temperature26.62°C (79.92°F)25.57°C (78.03°F)24.65°C (76.37°F)
Min Temperature24.65°C (76.37°F)23.47°C (74.25°F)18.73°C (65.71°F)
Dew PointMaxAverageMin
Dew Point23.66°C (74.59°F)22.96°C (73.33°F)20.71°C (69.28°F)
PrecipitationMaxAverageMinSum
Precipitation59.46mm | 2.34in20.01mm | 0.79in0.39mm | 0.02in620.31mm | 24.42in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind14.79kmh | 9.19mph11.86kmh | 7.37mph7.89kmh | 4.9mph
Gust Wind27.61kmh | 17.16mph20.48kmh | 12.73mph13.8kmh | 8.57mph
Sea Level PressureMaxAverageMin
Sea Level Pressure59.46mb20.01mb0.39mb
Grand Bassin

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-12-0126.62 | 79.9222.68 | 72.82839.86 | 6.1329.47 | 997.836.31 | 0.25
2019-12-0226.62 | 79.9223.66 | 74.598611.83 | 7.3529.47 | 997.8316.17 | 0.64
2019-12-0326.62 | 79.9222.68 | 72.828312.82 | 7.9729.44 | 996.8510.06 | 0.4
2019-12-0425.64 | 78.1522.68 | 72.828911.83 | 7.3529.44 | 996.8514.59 | 0.57
2019-12-0525.64 | 78.1523.66 | 74.599210.85 | 6.7429.47 | 997.8331.65 | 1.25
2019-12-0626.62 | 79.9222.68 | 72.82849.86 | 6.1329.44 | 996.8519.03 | 0.75
2019-12-0725.64 | 78.1522.68 | 72.82877.89 | 4.929.41 | 995.866.31 | 0.25
2019-12-0826.62 | 79.9222.68 | 72.82859.86 | 6.1329.41 | 995.861.68 | 0.07
2019-12-0926.62 | 79.9222.68 | 72.828411.83 | 7.3529.44 | 996.855.13 | 0.2
2019-12-1025.64 | 78.1522.68 | 72.828710.85 | 6.7429.44 | 996.8510.16 | 0.4
2019-12-1124.65 | 76.3722.68 | 72.829310.85 | 6.7429.41 | 995.8638.36 | 1.51
2019-12-1224.65 | 76.3722.68 | 72.829210.85 | 6.7429.38 | 994.8729.28 | 1.15
2019-12-1325.64 | 78.1523.66 | 74.59929.86 | 6.1329.41 | 995.8617.16 | 0.68
2019-12-1425.64 | 78.1523.66 | 74.599112.82 | 7.9729.41 | 995.8612.52 | 0.49
2019-12-1525.64 | 78.1523.66 | 74.599211.83 | 7.3529.41 | 995.8640.82 | 1.61
2019-12-1624.65 | 76.3722.68 | 72.829113.8 | 8.5729.41 | 995.8649.99 | 1.97
2019-12-1725.64 | 78.1522.68 | 72.828612.82 | 7.9729.41 | 995.8610.06 | 0.4
2019-12-1824.65 | 76.3723.66 | 74.599313.8 | 8.5729.41 | 995.8642.0 | 1.65
2019-12-1924.65 | 76.3723.66 | 74.599314.79 | 9.1929.41 | 995.8639.05 | 1.54
2019-12-2025.64 | 78.1522.68 | 72.828713.8 | 8.5729.44 | 996.8512.82 | 0.5
2019-12-2124.65 | 76.3723.66 | 74.599312.82 | 7.9729.41 | 995.8651.77 | 2.04
2019-12-2224.65 | 76.3723.66 | 74.599511.83 | 7.3529.44 | 996.8559.46 | 2.34
2019-12-2325.64 | 78.1522.68 | 72.828813.8 | 8.5729.44 | 996.856.41 | 0.25
2019-12-2425.64 | 78.1522.68 | 72.828813.8 | 8.5729.44 | 996.856.8 | 0.27
2019-12-2525.64 | 78.1522.68 | 72.828712.82 | 7.9729.41 | 995.868.28 | 0.33
2019-12-2625.64 | 78.1523.66 | 74.599310.85 | 6.7429.44 | 996.8528.79 | 1.13
2019-12-2726.62 | 79.9223.66 | 74.598911.83 | 7.3529.44 | 996.855.23 | 0.21
2019-12-2825.64 | 78.1522.68 | 72.829012.82 | 7.9729.41 | 995.8612.52 | 0.49
2019-12-2924.65 | 76.3722.68 | 72.828911.83 | 7.3529.41 | 995.868.28 | 0.33
2019-12-3024.65 | 76.3722.68 | 72.828811.83 | 7.3529.41 | 995.8619.23 | 0.76
2019-12-3125.64 | 78.1520.71 | 69.287910.85 | 6.7429.44 | 996.850.39 | 0.02

Grand Bassin 11 Year Historical Weather Data

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