Grand Cay, The Bahamas Climate

Weather: 26.49°C/79.68°F, Wind SW at 5.89 km/h, 76% Humidity, 0% Chance of rain

The Bahamas
(Photo by Trac Vu on Unsplash)
Contents

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.

Country The Bahamas
Longitude -78.3230559
Latitude 27.2162615
Attitude/Elevation 0.78m (2.56ft)
Local time Monday 09:54
Annual high temperature 25.82ºC (78.48ºF)
Annual low temperature 24.56ºC (76.21ºF)
Average annual precip. 211.37mm (8.32in)
Warmest month August (29.38ºC / 84.88ºF)
Coldest Month January (20.65ºC / 69.17ºF)
Wettest Month August (402.43mm / 15.84in)
Driest Month March (80.28mm / 3.16in)
Number of days with rainfall (≥ 1.0 mm) 213.1 days (58.38%)
Days with no rain 151.9 days (41.62%)
Humidity 73.88%

Climate Grand Cay: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
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) 13.64 11.18 10.55 14.27 17.55 22.0 26.18 27.0 24.55 18.82 14.36 13.0 17.76
Average relative humidity (%) 72.27 73.98 71.25 74.36 74.81 76.0 74.82 74.29 73.92 73.95 73.05 73.81 73.88
Mean monthly sunshine hours 7.58 9.86 10.7 12.28 12.92 13.37 13.31 12.74 11.76 7.97 7.86 7.85 10.68

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
Temperature Max Average Min
Max Temperature 30.0°C (86.0°F) 29.5°C (85.1°F) 29.0°C (84.2°F)
Avg Temperature 29.0°C (84.2°F) 28.8°C (83.84°F) 28.0°C (82.4°F)
Min Temperature 29.0°C (84.2°F) 28.03°C (82.45°F) 27.0°C (80.6°F)
Dew Point Max Average Min
Dew Point 24.0°C (75.2°F) 23.47°C (74.25°F) 22.0°C (71.6°F)
Precipitation Max Average Min Sum
Precipitation 43.4mm | 1.71in 7.83mm | 0.31in 0.0mm | 0in 235.0mm | 9.25in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 28.0kmh | 17.4mph 16.4kmh | 10.19mph 4.0kmh | 2.49mph
Gust Wind 43.0kmh | 26.72mph 23.03kmh | 14.31mph 5.0kmh | 3.11mph
Sea Level Pressure Max Average Min
Sea Level Pressure 43.4mb 7.83mb 0.0mb
Grand Cay

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
September ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2018-09-01 29 | 84.2 24 | 75.2 76 23 | 14.29 30.03 | 1017 43.4 | 1.71
2018-09-02 29 | 84.2 24 | 75.2 76 27 | 16.78 30.03 | 1017 9.7 | 0.38
2018-09-03 28 | 82.4 24 | 75.2 76 28 | 17.4 30.03 | 1017 37.5 | 1.48
2018-09-04 29 | 84.2 24 | 75.2 78 23 | 14.29 30.03 | 1017 3.6 | 0.14
2018-09-05 28 | 82.4 24 | 75.2 78 20 | 12.43 30.03 | 1017 3.2 | 0.13
2018-09-06 28 | 82.4 23 | 73.4 75 18 | 11.18 30.0 | 1016 6.8 | 0.27
2018-09-07 28 | 82.4 22 | 71.6 70 14 | 8.7 29.97 | 1015 10.8 | 0.43
2018-09-08 28 | 82.4 22 | 71.6 69 9 | 5.59 29.91 | 1013 6.5 | 0.26
2018-09-09 29 | 84.2 23 | 73.4 72 15 | 9.32 29.91 | 1013 15.7 | 0.62
2018-09-10 29 | 84.2 23 | 73.4 72 10 | 6.21 29.97 | 1015 7.8 | 0.31
2018-09-11 29 | 84.2 23 | 73.4 72 4 | 2.49 29.97 | 1015 2.0 | 0.08
2018-09-12 29 | 84.2 23 | 73.4 74 10 | 6.21 29.94 | 1014 6.6 | 0.26
2018-09-13 29 | 84.2 23 | 73.4 72 7 | 4.35 29.94 | 1014 12.9 | 0.51
2018-09-14 29 | 84.2 24 | 75.2 72 12 | 7.46 29.94 | 1014 14.1 | 0.56
2018-09-15 29 | 84.2 24 | 75.2 75 16 | 9.94 29.88 | 1012 18.4 | 0.72
2018-09-16 29 | 84.2 24 | 75.2 73 14 | 8.7 29.91 | 1013 1.3 | 0.05
2018-09-17 29 | 84.2 24 | 75.2 75 17 | 10.56 29.97 | 1015 6.9 | 0.27
2018-09-18 29 | 84.2 24 | 75.2 72 15 | 9.32 29.94 | 1014 0.1 | 0.0
2018-09-19 29 | 84.2 23 | 73.4 71 11 | 6.84 29.94 | 1014 0.6 | 0.02
2018-09-20 29 | 84.2 23 | 73.4 70 11 | 6.84 30.0 | 1016 0.2 | 0.01
2018-09-21 29 | 84.2 23 | 73.4 72 15 | 9.32 30.03 | 1017 5.1 | 0.2
2018-09-22 29 | 84.2 23 | 73.4 71 14 | 8.7 29.97 | 1015 1.2 | 0.05
2018-09-23 29 | 84.2 23 | 73.4 73 15 | 9.32 29.97 | 1015 5.6 | 0.22
2018-09-24 29 | 84.2 24 | 75.2 77 18 | 11.18 30.0 | 1016 7.4 | 0.29
2018-09-25 29 | 84.2 24 | 75.2 74 17 | 10.56 30.06 | 1018 6.2 | 0.24
2018-09-26 29 | 84.2 24 | 75.2 76 18 | 11.18 30.06 | 1018 0.3 | 0.01
2018-09-27 29 | 84.2 24 | 75.2 76 19 | 11.81 30.03 | 1017 0.5 | 0.02
2018-09-28 29 | 84.2 24 | 75.2 76 20 | 12.43 30.06 | 1018 0.0 | 0.0
2018-09-29 29 | 84.2 24 | 75.2 76 26 | 16.16 30.06 | 1018 0.1 | 0.0
2018-09-30 28 | 82.4 23 | 73.4 75 26 | 16.16 30.06 | 1018 0.5 | 0.02

Grand Cay 10 Year Historical Weather Data

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