July weather forecast
Bernardin, French Guiana

July, like June, is another tropical summer month in Bernardin, French Guiana, with an average temperature ranging between max 31.1°C (88°F) and min 20.8°C (69.4°F).

Temperature

July notes an average high-temperature of a still tropical 31.1°C (88°F), subtly differing from June's 30.3°C (86.5°F). Bernardin records an average low of 20.8°C (69.4°F) throughout the nights in July.

Heat index

In July, the heat index is estimated at a blistering 43°C (109.4°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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 natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in July is 85%.

Rainfall

In Bernardin, in July, it is raining for 24.6 days, with typically 97mm (3.82") of accumulated precipitation. Throughout the year, there are 265.5 rainfall days, and 1078mm (42.44") of precipitation is accumulated.

Daylight

In Bernardin, the average length of the day in July is 12h and 19min.
On the first day of July in Bernardin, sunrise is at 06:28 and sunset at 18:48. On the last day of the month, sunrise is at 06:32 and sunset at 18:49 -03.

Sunshine

The average sunshine in July is 7.5h.

UV index

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 6 in July translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.