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Cayman Brac weather in May

Weather in Cayman Brac: May

Average day temperature: 83.9°F
Average night temperature: 81.3°F
Sea water temperature: 83.2°F
Number of sunny days: 11 days
Day length: 12.9 - 13.2 hours
Number of rainy days: 6 days
Precipitation totals: 3.7 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 86°F. At the same time the lowest night temperature was 78°F. Daily and nightly averages during May were 83.0°F and 81.0°F.

Sea water temperature in Cayman Brac in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 85.6°F and 81.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Cayman Brac in May is 4.2 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 11.5 mph It makes May one of the least windy months of the year.

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 May is: 7.2.

Best time for vacation in Cayman Brac

Sunniest months:
March 12 days
July 12 days
February 11 days
Warmest months:
August 87.0 °F
July 86.8 °F
September 86.7 °F
Warmest sea temp:
September 86.4 °F
August 86.2 °F
October 85.7 °F
Coldest months:
January 79.8 °F
February 80.1 °F
March 80.6 °F
Rainiest months:
October 7 days
May 6 days
August 5 days
Windiest months:
December 16.7 mph
November 16.1 mph
January 15.5 mph

Cayman Brac on a weather map

Cayman Brac
+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
Cayman Brac
Local time: 22:25
December 05, friday
0000
82°F
SW
19 mph
0300
81°F
W
19 mph
0600
81°F
SW
20 mph
0900
81°F
W
19 mph
1200
84°F
W
16 mph
1500
84°F
W
14 mph
1800
82°F
W
13 mph
2100
82°F
W
12 mph
Units of measurement: °C / °F