July weather forecast
Îlet Tortue, French Guiana

July, like June, in Îlet Tortue, French Guiana, is another warm summer month, with an average temperature ranging between min 24.3°C (75.7°F) and max 29.5°C (85.1°F).

Temperature

As Îlet Tortue welcomes July, the average high-temperature records at a still warm 29.5°C (85.1°F), marking an insignificant deviation from the prior month. In the month of July, Îlet Tortue experiences an average low-temperature of 24.3°C (75.7°F).

Heat index

For most parts of July, the heat index is evaluated at a fiery hot 36°C (96.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in July in Îlet Tortue is 81%.

Rainfall

In Îlet Tortue, French Guiana, in July, it is raining for 27.4 days, with typically 146mm (5.75") of accumulated precipitation. Throughout the year, in Îlet Tortue, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.

Daylight

In Îlet Tortue, the average length of the day in July is 12h and 23min.
On the first day of July in Îlet Tortue, French Guiana, sunrise is at 06:23 and sunset at 18:48. On the last day of the month, sunrise is at 06:27 and sunset at 18:48 -03.

Sunshine

The average sunshine in July is 8.4h.

UV index

July through November, with an average maximum UV index of 7, are months with the highest UV index in Îlet Tortue, French Guiana. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 7 in July translates into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.