May weather forecast
Piarco, Trinidad and Tobago

May continues the warming trend with increased average temperatures characterizing this period. Rainfall also significantly escalates, paving the way for a wetter environment as compared to April. The city sees longer daylight hours, compensating for the increased cloud cover and creating a perfect balance in the local atmosphere. Visitors during this month might appreciate the tropical showers as an introduction to the coming wet conditions. Despite a reasonable number of sunshine days, it's important to pack both sunblock and an umbrella for travel in May.

Temperature

Piarco registers an average high-temperature of a still warm 29.4°C (84.9°F) with the arrival of May, showing minor deviation from the preceding month. During the month of May, Piarco identifies an average nighttime low-temperature of 26°C (78.8°F), slightly lower than its daytime counterpart.

Heat index

Throughout May, the heat index is appraised at a very hot 35°C (95°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in May in Piarco is 76%.

Rainfall

In Piarco, during May, the rain falls for 12.6 days and regularly aggregates up to 22mm (0.87") of precipitation. In Piarco, during the entire year, the rain falls for 194.8 days and collects up to 640mm (25.2") of precipitation.

Daylight

In May, the average length of the day in Piarco is 12h and 37min.
On the first day of May, sunrise is at 05:46 and sunset at 18:17. On the last day of the month, sunrise is at 05:42 and sunset at 18:24 AST.

Sunshine

The average sunshine in May is 10.5h.

UV index

The months with the highest UV index in Piarco are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Piarco are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 7 suggests these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.