May weather forecast
Gun Bay, Cayman Islands

May in Gun Bay marks a dramatic shift in weather patterns compared to the preceding months, with the advent of summer. Average rainfall escalates drastically, making this month one of the wettest periods of the year. Nevertheless, the showers do little to dampen the city's allure as it blossoms under the strong sun. Sunshine longevity also increases, adding more daylight hours. May serves as a bridge between the cooler months and the tropical, hotter times in Gun Bay.

Temperature

The commencement of May notes an average high-temperature of a still moderately hot 28°C (82.4°F), exhibiting little difference from the previous month. Nighttime temperature reflects an average dip to a still moderately hot 27.2°C (81°F) in May, subtly cooler than its daytime highs.

Heat index

The heat index for May is estimated at a hot 32°C (89.6°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Gun Bay, the average relative humidity in May is 77%.

Rainfall

In Gun Bay, during May, the rain falls for 21.3 days and regularly aggregates up to 108mm (4.25") of precipitation. In Gun Bay, during the entire year, the rain falls for 241.1 days and collects up to 854mm (33.62") of precipitation.

Daylight

The average length of the day in May is 13h and 3min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:47. On the last day of May, sunrise is at 05:45 and sunset at 18:58 EST.

Sunshine

May and July, with an average of 10.6h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 7 in May suggests the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.