April weather forecast
Barthélemy, French Guiana

An interesting shift takes place in Barthélemy's weather in April, with rainfall shooting up to 208mm (8.19"), a sharp increase from the previous month's 128mm (5.04"). Simultaneously, the lower temperature limit rises to 24.7°C (76.5°F), the highest so far in the year. This period brings longer daylight hours, with the city basking in 12.2 hours of light each day. The tropical character of Barthélemy's weather becomes increasingly prominent in April, displaying a blend of warm temperatures, high precipitation, and ample daylight hours.

Temperature

The arrival of April in Barthélemy brings an average high-temperature of a still moderately hot 28.5°C (83.3°F), subtly diverging from March's 28.3°C (82.9°F). Barthélemy registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 24.7°C (76.5°F) during April.

Heat index

During April, the heat index is evaluated at a hot 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In April, the average relative humidity is 84%.

Rainfall

In Barthélemy, during April, the rain falls for 27.2 days and regularly aggregates up to 208mm (8.19") of precipitation. In Barthélemy, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.

Daylight

The average length of the day in April in Barthélemy is 12h and 13min.
On the first day of April in Barthélemy, sunrise is at 06:28 and sunset at 18:38. On the last day of the month, sunrise is at 06:19 and sunset at 18:35 -03.

Sunshine

In April, the average sunshine is 6.2h.

UV index

The months with the lowest UV index are January through May and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in April transforms into the following instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.