August weather forecast
Lioni, French Guiana

The last month of the summer, August, is also a hot month in Lioni, French Guiana, with an average temperature fluctuating between 21.1°C (70°F) and 33°C (91.4°F).

Temperature

August's onset sees an average high-temperature of a still tropical 33°C (91.4°F), exhibiting a slight fluctuation from the previous month. The average temperature during August nights in Lioni is registered at an agreeable 21.1°C (70°F).

Heat index

August's mean heat index is computed to be a blazing hot 48°C (118.4°F). Keep guard: Heat cramps and heat exhaustion are likely. Continued activity increases the risk of heatstroke.
Note that heat index values are valued for light wind and location in the shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Lioni, French Guiana, the average relative humidity in August is 80%.

Rainfall

In Lioni, in August, it is raining for 15.8 days, with typically 43mm (1.69") of accumulated precipitation. In Lioni, during the entire year, the rain falls for 259.6 days and collects up to 915mm (36.02") of precipitation.

Daylight

The average length of the day in August in Lioni is 12h and 15min.
On the first day of August, sunrise is at 06:34 and sunset at 18:52. On the last day of the month, sunrise is at 06:31 and sunset at 18:43 -03.

Sunshine

The average sunshine in August is 8.8h.

UV index

The months with the highest UV index are July through November, 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 the average person.
Note: The average daily UV index of 7 in August transforms into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Stay sun-safe with clothing that is both closely woven and worn loosely.