April weather forecastGrigel, French Guiana

Weather in April

April, like March, in Grigel, French Guiana, is another warm spring month, with an average temperature varying between 21.5°C (70.7°F) and 29.8°C (85.6°F).

Temperature

Grigel marks the onset of April with an average high-temperature of a moderately hot 29.8°C (85.6°F), subtly divergent from March's 30.1°C (86.2°F). During the month of April, Grigel experiences a steady low-temperature average of 21.5°C (70.7°F).

Heat index

In April, the average heat index is computed to be an extremely hot 40°C (104°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in April is 89%.

Rainfall

In Grigel, French Guiana, in April, it is raining for 26.3 days, with typically 129mm (5.08") of accumulated precipitation. In Grigel, during the entire year, the rain falls for 265.5 days and collects up to 1078mm (42.44") of precipitation.

Daylight

In Grigel, the average length of the day in April is 12h and 11min.
On the first day of April in Grigel, sunrise is at 06:33 and sunset at 18:42. On the last day of the month, sunrise is at 06:24 and sunset at 18:38 -03.

Sunshine

In Grigel, the average sunshine in April is 4.6h.

UV index

In Grigel, French Guiana, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In April, the average maximum UV index of 6 translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.