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    Cayman Islands

    Grand Cayman weather and climate

    Cayman Islands

    Grand Cayman weather and climate

     

    Day

    32 °C

     

    Night

    25 °C

     

    Sea

    30 °C

     

    Precipitation

    202 mm

    in month

     

    Rainy days

    15 days

    in month

     

    Daylight

    12 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    83 %

     

    Day

    32 °C

     

    Night

    25 °C

     

    Sea

    30 °C

     

    Precipitation

    202 mm

    in month

     

    Rainy days

    15 days

    in month

     

    Daylight

    12 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    83 %

    Weather charts for Grand Cayman

    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)1520253035Precipitation (mm)0230
    Weather overview
    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)1520253035Precipitation (mm)0230
    Wet days chart
    JanFebMarAprMayJunJulAugSepOctNovDecWet days05101551015
    Sunhours per day chart
    JanFebMarAprMayJunJulAugSepOctNovDecSunhours per day46810124681012
    Wind chart
    JanFebMarAprMayJunJulAugSepOctNovDecWind024682468
    Humidity chart
    JanFebMarAprMayJunJulAugSepOctNovDecHumidity %70758085907075808590
    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

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    16 500 000 weather records

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    Amazing beach with turquise water in Grand Cayman in partly cloudy weather
    Enjoyable beach with turquise water in Grand Cayman on a sunny day with some clouds
    Grand Cayman

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    Season
    Day temperature
    0
    > 16 °C
    36
    Night temperature
    -6
    > 6 °C
    30
    Sea temperature
    16
    > 18 °C
    32
    Wet days per month
    2
    < 15
    20

    Destinations with similar weather to Grand Cayman

    0

    Weather overview for Grand Cayman

    Weather overview

    Grand Cayman (Cayman Islands) is a place with a tropical climate. Temperatures during the day are in the range from 28.0 °C (82.4 °F) in January to 32.3 °C (90.1 °F) in July. The highest night temperatures could be experienced in July with 25.2 °C (77.4 °F), the lowest in January with 21.6 °C (70.9 °F). The least rainy month in Grand Cayman is April with its 5 days of rain, the rainiest month is September, when it rains 15 days. The highest sea temperatures in Grand Cayman are in September with 29.6 °C (85.2 °F) and the lowest in March with 26.5 °C (79.6 °F).

    January weather

    The minimum of the day temperature is observable, its value is 28.0 °C (82.4 °F) in Grand Cayman, while the sea temperature descents similarly to the previous month. The dry season is at its beginning. The descent of the number of rainy days can be observed, its value is 7 days. The minimum of the night temperature is observable, with its value being 21.6 °C (70.9 °F). The beginning of the rise of the number of sun hours (without clouds) could be noticed in January.

    February weather

    The day temperature rise's start could be observed in February in Grand Cayman. The number of rainy days descents similarly to the previous month, with its value being 6 days, while the rainfall amount descent's start could be observed, with its value of 35 mm (1.37 in). There is pending dry season.

    March weather

    The day temperature rises similarly to the previous month, with its value being 29.7 °C (85.5 °F) in Grand Cayman, while the minimum of the sea temperature is observable, the value of this measure is 26.5 °C (79.6 °F). The number of rainy days continues to descent, with its value of 5 days, while the minimum of the rainfall amount is observable, the value of this measure is 34 mm (1.34 in). The number of sun hours (without clouds) rise's start could be observed, with its value of 8 hours. The wind speed is on its maximum, with its value being 4.7.

    April weather

    The rise of the day temperature can be observed, with its value of 30.5 °C (86.9 °F) in Grand Cayman, while the beginning of the rise of the sea temperature could be noticed in this month. The minimum of the number of rainy days can be noticed, with its value being 5 days, while the rainfall amount starts to rise in April. The beginning of the rise of the night temperature could be noticed, the value of this measure is 23.0 °C (73.4 °F). The number of sun hours (without clouds) reaches its maximum, its value is 10 hours.

    May weather

    The day temperature rises similarly to the previous month, the value of this measure is 31.3 °C (88.3 °F) in Grand Cayman, and the sea temperature continues to rise too, the value of this measure is 28.0 °C (82.3 °F). The number of rainy days rise's start could be observed, while the rise of the rainfall amount can be observed, its value is 142 mm (5.60 in). The night temperature continues to rise, with its value of 24.2 °C (75.6 °F). The number of sun hours (without clouds) descent's start could be observed, the value of this measure is 8 hours.

    June weather

    The sea temperature continues to rise, the value of this measure is 28.5 °C (83.2 °F) in Grand Cayman, and the rise of the night temperature can be observed too, the value of this measure is 25.1 °C (77.2 °F). The rainfall amount rises similarly to the previous month, with its value of 171 mm (6.74 in), and the number of rainy days continues to rise too, the value of this measure is 13 days. The number of sun hours (without clouds) descents similarly to the previous month, with its value of 8 hours. The day length is on its maximum, with its value being 13 hours.

    July weather

    The sea temperature continues to rise, with its value being 29.0 °C (84.2 °F) in Grand Cayman, while the maximum of the day temperature is observable, its value is 32.3 °C (90.1 °F). The number of rainy days starts to descent, the value of this measure is 12 days. The night temperature reaches its maximum in July. The beginning of the rise of the number of sun hours (without clouds) could be noticed, with its value of 9 hours.

    August weather

    The beginning of the descent of the rainfall amount could be noticed, with its value being 159 mm (6.27 in) in Grand Cayman, on the contrary the number of rainy days starts to rise, the value of this measure is 13 days.

    September weather

    The maximum of the number of rainy days is observable, with its value being 15 days in Grand Cayman, while the rainfall amount rise's start could be observed, with its value being 202 mm (7.94 in). The sea temperature reaches its maximum, its value is 29.6 °C (85.2 °F). The number of sun hours (without clouds) starts to descent, the value of this measure is 7 hours. The minimum of the wind speed is observable, its value is 3.0.

    October weather

    The day temperature descent's start could be observed, its value is 31.2 °C (88.2 °F) in Grand Cayman, and the sea temperature descent's start could be observed as well in this month. The maximum of the rainfall amount can be noticed in this month. The humidity reaches its maximum, with its value being 84 %.

    November weather

    The descent of the sea temperature can be observed, with its value of 28.2 °C (82.7 °F) in Grand Cayman, and the descent of the day temperature can be observed too. The number of rainy days starts to descent, with its value being 11 days, and the beginning of the descent of the rainfall amount could be noticed too, the value of this measure is 109 mm (4.31 in). The night temperature starts to descent, the value of this measure is 23.7 °C (74.7 °F).

    December weather

    The descent of the sea temperature can be observed, with its value being 27.4 °C (81.4 °F) in Grand Cayman, and the day temperature continues to descent too, the value of this measure is 28.6 °C (83.5 °F). The descent of the number of rainy days can be observed, with its value of 9 days, and the descent of the rainfall amount can be observed too, its value is 56 mm (2.22 in). The night temperature descents similarly to the previous month, with its value of 22.5 °C (72.5 °F). The number of sun hours (without clouds) is on its minimum, with its value of 7 hours.

    FAQs

    How many days of precipitation on average can I expect in Grand Cayman in January?

    There are 7 days, which are rainy in Grand Cayman in January, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.7 days of the week, or in general - 25 % days.

    Are there good conditions to visit in Grand Cayman in February?

    In February in Grand Cayman, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 28.7 °C (83.7 °F). The temperature of the sea will be perfect at 26.5 °C (79.6 °F). At night, temperatures hover around a pleasant 21.7 °C (71.1 °F). You can expect just 6 days of rain during the month, taking an umbrella is not necessary.

    Is it hot in March in Grand Cayman?

    In March in Grand Cayman, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

    What temperature can I expect during the day in Grand Cayman in April?

    The average daily temperature in April in Grand Cayman is 30.5 °C (86.9 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.

    Is there a wet season in May in Grand Cayman?

    No, there is no wet season in Grand Cayman in May - you can expect 10 days of rain during the month.

    How many hours of sun to expect in June in Grand Cayman?

    There is an average length of sunshine of 8 hours per day in June in Grand Cayman.

    How windy is Grand Cayman in July?

    In Grand Cayman in July, there will be an average wind scale of 3.7.

    Is there a dry season in Grand Cayman in August?

    No, August is not a dry month in Grand Cayman, expect rain approximately 13 days in a month.

    What level of humidity is to expect in Grand Cayman in October?

    Humidity in October in Grand Cayman is 84 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

    What is the air temperature in November in Grand Cayman at night?

    The average night temperature in Grand Cayman in November is 23.7 °C (74.7 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

    What is the sea temperature in Grand Cayman in December?

    The sea will reach 27.4 °C (81.4 °F) in December in Grand Cayman. Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.