Grand Cayman weather and climate
Grand Cayman weather and climate
Day
29 °C
Night
23 °C
Sea
27 °C
Precipitation
56 mm
in month
Rainy days
9 days
in month
Daylight
11 hours
average
Sunshine
7 hours
average
Humidity
81 %
Day
29 °C
Night
23 °C
Sea
27 °C
Precipitation
56 mm
in month
Rainy days
9 days
in month
Daylight
11 hours
average
Sunshine
7 hours
average
Humidity
81 %
Overview: Grand Cayman
Weather charts for Grand Cayman
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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 °C (82 °F) in January to 32 °C (90 °F) in July. The highest night temperatures could be experienced in July with 25 °C (77 °F), the lowest in January with 22 °C (71 °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 30 °C (85 °F) and the lowest in March with 26 °C (80 °F).
January weather
The minimum of the day temperature is observable, its value is 28 °C (82 °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 22 °C (71 °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 30 °C (85 °F) in Grand Cayman, while the minimum of the sea temperature is observable, the value of this measure is 26 °C (80 °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 5.
April weather
The rise of the day temperature can be observed, with its value of 31 °C (87 °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 °C (73 °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 °C (88 °F) in Grand Cayman, and the sea temperature continues to rise too, the value of this measure is 28 °C (82 °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 °C (76 °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 °C (83 °F) in Grand Cayman, and the rise of the night temperature can be observed too, the value of this measure is 25 °C (77 °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 °C (84 °F) in Grand Cayman, while the maximum of the day temperature is observable, its value is 32 °C (90 °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 30 °C (85 °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.
October weather
The day temperature descent's start could be observed, its value is 31 °C (88 °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 °C (83 °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 24 °C (75 °F).
December weather
The descent of the sea temperature can be observed, with its value being 27 °C (81 °F) in Grand Cayman, and the day temperature continues to descent too, the value of this measure is 29 °C (83 °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 23 °C (73 °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 29 °C (84 °F). The temperature of the sea will be perfect at 26 °C (80 °F). At night, temperatures hover around a pleasant 22 °C (71 °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 31 °C (87 °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 4.
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 24 °C (75 °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 °C (81 °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.