Grand Cayman, Cayman Islands Weather Averages

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Grand Cayman, Cayman Islands Weather Averages

August is the hottest month in Grand Cayman with an average temperature of 30°C (85°F) and the coldest is January at 25°C (77°F) with the most daily sunshine hours at 11 in July. The wettest month is October with an average of 220mm of rain. The best month to swim in the sea is in September when the average sea temperature is 30°C (86°F).

Average Temperature Grand Cayman

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Grand Cayman

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Grand Cayman

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Grand Cayman

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Grand Cayman

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Latest Grand Cayman Holiday Reviews

  • My holiday in Grand Cayman

    The weather was beautiful so long as you like it hot. The first time I went was in June and it was HOT. Fantastic for me but some...

    Hazel Dixon

Have you been to Grand Cayman? Add your review

Grand Cayman : Next 24-Hour Weather

Today - 24th May 2024

Sunrise 05:48

Sunrise

Sunset 18:57

Sunset
6:00
Partly cloudy
29°C (83°F)
7:00
Partly cloudy
29°C (83°F)
8:00
Clear
29°C (83°F)
9:00
Partly cloudy
29°C (83°F)
10:00
Partly cloudy
29°C (83°F)
11:00
Patchy rain possible
29°C (83°F)
12:00
Patchy rain possible
29°C (83°F)
13:00
Patchy rain possible
29°C (84°F)
14:00
Partly cloudy
29°C (84°F)
15:00
Patchy rain possible
29°C (84°F)
16:00
Patchy rain possible
29°C (84°F)
17:00
Partly cloudy
29°C (84°F)
18:00
Partly cloudy
29°C (84°F)
19:00
Partly cloudy
29°C (84°F)
20:00
Partly cloudy
29°C (84°F)
21:00
Clear
29°C (83°F)
22:00
Clear
29°C (83°F)
23:00
Clear
29°C (83°F)

Tomorrow - 25th May 2024

Sunrise 05:48

Sunrise

Sunset 18:57

Sunset
0:00
Clear
29°C (83°F)
1:00
Clear
29°C (83°F)
2:00
Clear
29°C (83°F)
3:00
Partly cloudy
29°C (83°F)
4:00
Partly cloudy
29°C (83°F)
5:00
Patchy rain possible
29°C (83°F)