Measurements:
°C
°F
Cayo Guillermo
80°F
W 15 mph
Feels like: 84°F
Precip: 0%
World Resorts Cuba Cayo Guillermo Weather May Weather in Cayo Guillermo

Cayo Guillermo Weather: May

Average Day Temperature: 86.6°F
Average Night Temperature: 80.4°F
Sea Water Temperature: 85.5°F
Number of Sunny Days: 10 days
Sunshine Hours: 13.0 - 13.4 hours
Number of Rainy Days: 8 days
Precipitation Totals: 5.2 in

Air Temperature in May, °F

Select Year: 2023 2022 2021

The highest day temperature in May 2023 was 88°F. The lowest night temperature was 82°F. The average values for day and night temperatures during May were 85.0°F и 83.4°F respectivly.

Cayo Guillermo Water Sea Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Cayo Guillermo was 87.7°F. The maximum and minimum values were 86.0°F and 89.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Cayo Guillermo is 5.2 in. It makes may the most rainy month of the year.

Wind Speed in May, mph

The average wind speed in May is 12.4 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cayo Guillermo in May is 7.6 hours.

Best Time to Visit Cayo Guillermo
The most sunny months:
April 13 days
July 12 days
March 12 days
The most warm months:
August 91.3 °F
July 91.0 °F
September 90.2 °F
Warmest sea temperature:
September 89.8 °F
August 89.7 °F
July 89.1 °F
The most cold months:
January 79.8 °F
February 80.8 °F
March 81.6 °F
The most rainy months:
May 8 days
October 8 days
June 6 days
The most windy months:
March 14 mph
November 14 mph
December 14 mph

Cayo Guillermo on the Weather Map

24 Hours Weather Forecast
Cayo Guillermo
Local time: 10:09
20 apr, saturday
1200 82°F
W
16 mph
1500 82°F
W
18 mph
1800 82°F
W
19 mph
2100 80°F
W
20 mph
21 apr, sunday
0000 80°F
W
18 mph
0300 80°F
W
16 mph
0600 80°F
W
15 mph
0900 82°F
W
14 mph