July weather forecast
Certitude, French Guiana

July, the same as June, in Certitude, French Guiana, is a hot summer month, with an average temperature varying between 88°F and 69.4°F.

Temperature

Stepping into July, Certitude records an average high-temperature of a still tropical 88°F, almost consistent with June. Throughout July, Certitude witnesses a nighttime temperature average of 69.4°F.

Heat index

In July, the heat index is estimated at an extremely hot 109.4°F. Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In July, the average relative humidity in Certitude, French Guiana, is 85%.

Rainfall

In Certitude, in July, it is raining for 24.6 days, with typically 3.82" of accumulated precipitation. Throughout the year, there are 265.5 rainfall days, and 42.44" of precipitation is accumulated.

Daylight

In Certitude, the average length of the day in July is 12h and 19min.
On the first day of July in Certitude, sunrise is at 06:26 and sunset at 18:47. On the last day of the month, sunrise is at 06:30 and sunset at 18:48 -03.

Sunshine

In Certitude, the average sunshine in July is 7.5h.

UV index

In Certitude, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.