August weather forecast
Grigel, French Guiana

The last month of the summer, August, is another hot month in Grigel, French Guiana, with temperature in the range of an average high of 32.8°C (91°F) and an average low of 20.5°C (68.9°F).

Temperature

The average high-temperature in August, at a still tropical 32.8°C (91°F), reveals a modest deviation from July's 31.1°C (88°F). A significant drop from the day's peak to an average low-temperature of 20.5°C (68.9°F) is noted during the nights in August in Grigel.

Heat index

The heat index value for August is computed to be a burning hot 47°C (116.6°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In August, the average relative humidity in Grigel is 79%.

Rainfall

In Grigel, French Guiana, during August, the rain falls for 18.8 days and regularly aggregates up to 76mm (2.99") of 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 August is 12h and 13min.
On the first day of August, sunrise is at 06:33 and sunset at 18:48. On the last day of the month, sunrise is at 06:29 and sunset at 18:40 -03.

Sunshine

In August, the average sunshine is 8.6h.

UV index

The months with the highest UV index in Grigel are August through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: During August, 7 as the daily maximum UV index converts into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.