Sister Islands, Cayman Islands Climate

Weather: 29.41°C/84.94°F, Wind SW at 2.57 km/h, 100% Humidity, 0% Chance of rain

Cayman Islands
(Photo by Jackie Parker on Unsplash)
Contents

Sister Islands Climate Summary

Located at an elevation of 30.58 meters (100.33 feet) above sea level, Sister Islands has a Tropical wet and dry or savanna climate (Classification: Aw). The city’s yearly temperature is 27.54ºC (81.57ºF) and it is 0.0% lower than Cayman Islands’s averages. Sister Islands typically receives about 79.58 millimeters (3.13 inches) of precipitation and has 165.91 rainy days (45.45% of the time) annually.

CountryCayman Islands
Longitude-79.7904475
Latitude19.7228918
Attitude/Elevation30.58m (100.33ft)
Local timeMonday 09:06
Annual high temperature27.78ºC (82.0ºF)
Annual low temperature26.8ºC (80.24ºF)
Average annual precip.79.58mm (3.13in)
Warmest monthAugust (29.51ºC / 85.12ºF)
Coldest MonthJanuary (24.62ºC / 76.32ºF)
Wettest MonthOctober (190.32mm / 7.49in)
Driest MonthMarch (24.05mm / 0.95in)
Number of days with rainfall (≥ 1.0 mm)165.91 days (45.45%)
Days with no rain199.09 days (54.55%)
Humidity75.63%

Climate Sister Islands: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.0(82.4)28.0(82.4)28.0(82.4)29.0(84.2)29.0(84.2)30.0(86.0)30.0(86.0)31.0(87.8)30.0(86.0)30.0(86.0)29.0(84.2)29.0(84.2)31.0(87.8)
Average high °C (°F)26.05(78.89)26.18(79.12)26.11(79.0)27.15(80.87)27.96(82.33)28.69(83.64)29.14(84.45)29.51(85.12)29.42(84.96)28.82(83.88)27.61(81.7)26.74(80.13)27.78(82.0)
Daily mean °C (°F)25.72(78.3)25.87(78.57)25.82(78.48)26.96(80.53)27.77(81.99)28.46(83.23)28.99(84.18)29.25(84.65)29.15(84.47)28.61(83.5)27.37(81.27)26.49(79.68)27.54(81.57)
Average low °C (°F)24.62(76.32)25.09(77.16)25.01(77.02)26.32(79.38)27.17(80.91)27.91(82.24)28.38(83.08)28.55(83.39)28.52(83.34)27.91(82.24)26.51(79.72)25.55(77.99)26.8(80.24)
Record low °C (°F)14.0(57.2)15.0(59.0)17.0(62.6)20.0(68.0)20.0(68.0)22.0(71.6)22.0(71.6)21.0(69.8)22.0(71.6)20.0(68.0)18.0(64.4)15.0(59.0)14.0(57.2)
Average precipitation mm (inches)45.93(1.81)28.9(1.14)24.05(0.95)37.68(1.48)112.34(4.42)82.59(3.25)72.98(2.87)77.39(3.05)86.59(3.41)190.32(7.49)143.55(5.65)52.69(2.07)79.58(3.13)
Average precipitation days (≥ 1.0 mm)11.828.367.459.3616.7314.8216.5515.1816.4521.8215.7311.6413.83
Average relative humidity (%)75.5175.374.6676.0776.2278.6776.1274.8874.0174.9175.5975.6375.63
Mean monthly sunshine hours8.910.5910.5711.5812.3712.7512.9611.9310.888.737.627.6510.54

Climate Graph

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

Sister Islands

Sister Islands Temperature by Month

August
29.25°C | 84.65°F
September
29.15°C | 84.47°F
July
28.99°C | 84.18°F
October
28.61°C | 83.5°F
June
28.46°C | 83.23°F
May
27.77°C | 81.99°F
November
27.37°C | 81.27°F
April
26.96°C | 80.53°F
December
26.49°C | 79.68°F
February
25.87°C | 78.57°F
March
25.82°C | 78.48°F
January
25.72°C | 78.3°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 Temperature28.0°C (82.4°F)27.2°C (80.96°F)27.0°C (80.6°F)
Avg Temperature28.0°C (82.4°F)26.93°C (80.47°F)26.0°C (78.8°F)
Min Temperature27.0°C (80.6°F)26.63°C (79.93°F)26.0°C (78.8°F)
Dew PointMaxAverageMin
Dew Point24.0°C (75.2°F)22.37°C (72.27°F)20.0°C (68.0°F)
PrecipitationMaxAverageMinSum
Precipitation5.9mm | 0.23in0.9mm | 0.04in0.0mm | 0in27.1mm | 1.07in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind31.0kmh | 19.26mph21.1kmh | 13.11mph10.0kmh | 6.21mph
Gust Wind41.0kmh | 25.48mph28.87kmh | 17.94mph14.0kmh | 8.7mph
Sea Level PressureMaxAverageMin
Sea Level Pressure5.9mb0.9mb0.0mb
Sister Islands

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
April° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2016-04-0127 | 80.623 | 73.47726 | 16.1629.94 | 10140.2 | 0.01
2016-04-0228 | 82.423 | 73.47723 | 14.2929.91 | 10130.3 | 0.01
2016-04-0327 | 80.623 | 73.47612 | 7.4629.97 | 10150.0 | 0.0
2016-04-0427 | 80.623 | 73.47612 | 7.4630.0 | 10160.3 | 0.01
2016-04-0527 | 80.623 | 73.47517 | 10.5630.0 | 10160.8 | 0.03
2016-04-0627 | 80.621 | 69.87331 | 19.2629.97 | 10150.3 | 0.01
2016-04-0727 | 80.620 | 68.06716 | 9.9429.94 | 10140.0 | 0.0
2016-04-0827 | 80.621 | 69.87018 | 11.1829.94 | 10140.0 | 0.0
2016-04-0927 | 80.621 | 69.87023 | 14.2929.97 | 10150.0 | 0.0
2016-04-1027 | 80.622 | 71.67329 | 18.0230.0 | 10160.2 | 0.01
2016-04-1126 | 78.822 | 71.67429 | 18.0230.0 | 10160.1 | 0.0
2016-04-1227 | 80.622 | 71.67726 | 16.1630.0 | 10160.0 | 0.0
2016-04-1327 | 80.622 | 71.67619 | 11.8129.94 | 10140.3 | 0.01
2016-04-1427 | 80.622 | 71.67522 | 13.6729.94 | 10140.4 | 0.02
2016-04-1526 | 78.822 | 71.67625 | 15.5329.97 | 10151.7 | 0.07
2016-04-1626 | 78.822 | 71.67723 | 14.2929.97 | 10151.6 | 0.06
2016-04-1727 | 80.622 | 71.67723 | 14.2929.97 | 10151.9 | 0.07
2016-04-1827 | 80.622 | 71.67723 | 14.2929.94 | 10140.6 | 0.02
2016-04-1927 | 80.622 | 71.67619 | 11.8129.94 | 10141.5 | 0.06
2016-04-2027 | 80.622 | 71.67619 | 11.8129.94 | 10143.4 | 0.13
2016-04-2127 | 80.622 | 71.67524 | 14.9129.91 | 10130.2 | 0.01
2016-04-2227 | 80.623 | 73.47820 | 12.4329.94 | 10144.0 | 0.16
2016-04-2327 | 80.623 | 73.47710 | 6.2129.94 | 10145.9 | 0.23
2016-04-2427 | 80.623 | 73.47817 | 10.5629.91 | 10130.7 | 0.03
2016-04-2527 | 80.623 | 73.47922 | 13.6729.88 | 10120.1 | 0.0
2016-04-2627 | 80.623 | 73.47923 | 14.2929.85 | 10110.2 | 0.01
2016-04-2727 | 80.622 | 71.67418 | 11.1829.85 | 10110.0 | 0.0
2016-04-2827 | 80.624 | 75.28019 | 11.8129.91 | 10131.6 | 0.06
2016-04-2927 | 80.624 | 75.28222 | 13.6729.88 | 10120.7 | 0.03
2016-04-3027 | 80.624 | 75.28023 | 14.2929.85 | 10110.1 | 0.0

Sister Islands 10 Year Historical Weather Data

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