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Grand Cayman weather in October

Weather in Grand Cayman: October

Average day temperature: 85.7°F
Average night temperature: 82.8°F
Sea water temperature: 85.5°F
Number of sunny days: 9 days
Day length: 11.4 - 12.0 hours
Number of rainy days: 8 days
Precipitation totals: 5.2 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 88°F. At the same time the lowest night temperature was 80°F. Daily and nightly averages during October were 85.5°F and 83.5°F.

Sea water temperature in Grand Cayman in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.3°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in October is almost equal.

Precipitation total in October, in.

Precipitation total value in Grand Cayman in October is 5.3 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 12.6 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.7.

Best time for vacation in Grand Cayman

Sunniest months:
March 11 days
July 11 days
May 10 days
Warmest months:
August 87.1 °F
July 87.0 °F
September 86.9 °F
Warmest sea temp:
September 86.1 °F
August 85.9 °F
October 85.5 °F
Coldest months:
January 80.1 °F
February 80.5 °F
March 80.9 °F
Rainiest months:
October 8 days
May 5 days
November 5 days
Windiest months:
December 16.9 mph
November 16.1 mph
January 15.7 mph

Grand Cayman on a weather map

Grand Cayman
+82°F
SW 17 mph
Feels like: +90°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
+82°F
+82°F
+82°F
+82°F
24 Hours Forecast
Grand Cayman
Local time: 22:25
December 05, friday
0000
82°F
W
16 mph
0300
82°F
SW
16 mph
0600
81°F
W
18 mph
0900
82°F
W
19 mph
1200
82°F
W
16 mph
1500
84°F
W
15 mph
1800
82°F
W
14 mph
2100
82°F
W
12 mph
Units of measurement: °C / °F