Grand Cay, The Bahamas Climate

Weather: 26.65°C/79.97°F, Wind SW at 5.88 km/h, 66% Humidity, 0% Chance of rain

The Bahamas
(Photo by Trac Vu on Unsplash)

Grand Cay Climate Summary

Located at an elevation of 0.78 meters (2.56 feet) above sea level, Grand Cay has a Tropical wet and dry or savanna climate (Classification: Aw). The city’s yearly temperature is 25.37ºC (77.67ºF) and it is -0.47% lower than The Bahamas’s averages. Grand Cay typically receives about 211.37 millimeters (8.32 inches) of precipitation and has 213.1 rainy days (58.38% of the time) annually.

CountryThe Bahamas
Longitude-78.3230559
Latitude27.2162615
Attitude/Elevation0.78m (2.56ft)
Local timeTuesday 08:45
Annual high temperature25.82ºC (78.48ºF)
Annual low temperature24.56ºC (76.21ºF)
Average annual precip.211.37mm (8.32in)
Warmest monthAugust (29.38ºC / 84.88ºF)
Coldest MonthJanuary (20.65ºC / 69.17ºF)
Wettest MonthAugust (402.43mm / 15.84in)
Driest MonthMarch (80.28mm / 3.16in)
Number of days with rainfall (≥ 1.0 mm)213.1 days (58.38%)
Days with no rain151.9 days (41.62%)
Humidity73.88%

Climate Grand Cay: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)26.0(78.8)26.0(78.8)27.0(80.6)29.0(84.2)29.0(84.2)31.0(87.8)31.0(87.8)31.0(87.8)31.0(87.8)30.0(86.0)28.0(82.4)27.0(80.6)31.0(87.8)
Average high °C (°F)22.33(72.19)22.69(72.84)22.86(73.15)24.73(76.51)26.11(79.0)28.1(82.58)28.97(84.15)29.38(84.88)28.81(83.86)27.23(81.01)25.07(77.13)23.58(74.44)25.82(78.48)
Daily mean °C (°F)21.71(71.08)22.13(71.83)22.3(72.14)24.26(75.67)25.72(78.3)27.72(81.9)28.69(83.64)29.0(84.2)28.42(83.16)26.82(80.28)24.59(76.26)23.06(73.51)25.37(77.67)
Average low °C (°F)20.65(69.17)21.14(70.05)21.37(70.47)23.39(74.1)24.95(76.91)27.05(80.69)28.01(82.42)28.4(83.12)27.79(82.02)26.18(79.12)23.73(74.71)22.01(71.62)24.56(76.21)
Record low °C (°F)11.0(51.8)11.0(51.8)12.0(53.6)15.0(59.0)16.0(60.8)19.0(66.2)21.0(69.8)21.0(69.8)21.0(69.8)19.0(66.2)14.0(57.2)9.0(48.2)9.0(48.2)
Average precipitation mm (inches)114.95(4.53)93.36(3.68)80.28(3.16)125.25(4.93)245.25(9.66)268.97(10.59)356.59(14.04)402.43(15.84)401.38(15.8)250.61(9.87)104.78(4.13)92.63(3.65)211.37(8.32)
Average precipitation days (≥ 1.0 mm)13.6411.1810.5514.2717.5522.026.1827.024.5518.8214.3613.017.76
Average relative humidity (%)72.2773.9871.2574.3674.8176.074.8274.2973.9273.9573.0573.8173.88
Mean monthly sunshine hours7.589.8610.712.2812.9213.3713.3112.7411.767.977.867.8510.68

Climate Graph

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

Grand Cay

Grand Cay Temperature by Month

August
29.0°C | 84.2°F
July
28.69°C | 83.64°F
September
28.42°C | 83.16°F
June
27.72°C | 81.9°F
October
26.82°C | 80.28°F
May
25.72°C | 78.3°F
November
24.59°C | 76.26°F
April
24.26°C | 75.67°F
December
23.06°C | 73.51°F
March
22.3°C | 72.14°F
February
22.13°C | 71.83°F
January
21.71°C | 71.08°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)29.5°C (85.1°F)29.0°C (84.2°F)
Avg Temperature29.0°C (84.2°F)28.8°C (83.84°F)28.0°C (82.4°F)
Min Temperature29.0°C (84.2°F)28.03°C (82.45°F)27.0°C (80.6°F)
Dew PointMaxAverageMin
Dew Point24.0°C (75.2°F)23.47°C (74.25°F)22.0°C (71.6°F)
PrecipitationMaxAverageMinSum
Precipitation43.4mm | 1.71in7.83mm | 0.31in0.0mm | 0in235.0mm | 9.25in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind28.0kmh | 17.4mph16.4kmh | 10.19mph4.0kmh | 2.49mph
Gust Wind43.0kmh | 26.72mph23.03kmh | 14.31mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure43.4mb7.83mb0.0mb
Grand Cay

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-09-0129 | 84.224 | 75.27623 | 14.2930.03 | 101743.4 | 1.71
2018-09-0229 | 84.224 | 75.27627 | 16.7830.03 | 10179.7 | 0.38
2018-09-0328 | 82.424 | 75.27628 | 17.430.03 | 101737.5 | 1.48
2018-09-0429 | 84.224 | 75.27823 | 14.2930.03 | 10173.6 | 0.14
2018-09-0528 | 82.424 | 75.27820 | 12.4330.03 | 10173.2 | 0.13
2018-09-0628 | 82.423 | 73.47518 | 11.1830.0 | 10166.8 | 0.27
2018-09-0728 | 82.422 | 71.67014 | 8.729.97 | 101510.8 | 0.43
2018-09-0828 | 82.422 | 71.6699 | 5.5929.91 | 10136.5 | 0.26
2018-09-0929 | 84.223 | 73.47215 | 9.3229.91 | 101315.7 | 0.62
2018-09-1029 | 84.223 | 73.47210 | 6.2129.97 | 10157.8 | 0.31
2018-09-1129 | 84.223 | 73.4724 | 2.4929.97 | 10152.0 | 0.08
2018-09-1229 | 84.223 | 73.47410 | 6.2129.94 | 10146.6 | 0.26
2018-09-1329 | 84.223 | 73.4727 | 4.3529.94 | 101412.9 | 0.51
2018-09-1429 | 84.224 | 75.27212 | 7.4629.94 | 101414.1 | 0.56
2018-09-1529 | 84.224 | 75.27516 | 9.9429.88 | 101218.4 | 0.72
2018-09-1629 | 84.224 | 75.27314 | 8.729.91 | 10131.3 | 0.05
2018-09-1729 | 84.224 | 75.27517 | 10.5629.97 | 10156.9 | 0.27
2018-09-1829 | 84.224 | 75.27215 | 9.3229.94 | 10140.1 | 0.0
2018-09-1929 | 84.223 | 73.47111 | 6.8429.94 | 10140.6 | 0.02
2018-09-2029 | 84.223 | 73.47011 | 6.8430.0 | 10160.2 | 0.01
2018-09-2129 | 84.223 | 73.47215 | 9.3230.03 | 10175.1 | 0.2
2018-09-2229 | 84.223 | 73.47114 | 8.729.97 | 10151.2 | 0.05
2018-09-2329 | 84.223 | 73.47315 | 9.3229.97 | 10155.6 | 0.22
2018-09-2429 | 84.224 | 75.27718 | 11.1830.0 | 10167.4 | 0.29
2018-09-2529 | 84.224 | 75.27417 | 10.5630.06 | 10186.2 | 0.24
2018-09-2629 | 84.224 | 75.27618 | 11.1830.06 | 10180.3 | 0.01
2018-09-2729 | 84.224 | 75.27619 | 11.8130.03 | 10170.5 | 0.02
2018-09-2829 | 84.224 | 75.27620 | 12.4330.06 | 10180.0 | 0.0
2018-09-2929 | 84.224 | 75.27626 | 16.1630.06 | 10180.1 | 0.0
2018-09-3028 | 82.423 | 73.47526 | 16.1630.06 | 10180.5 | 0.02

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