July weather forecast
Dieudonné, French Guiana

July, like June, in Dieudonné, French Guiana, is a moderately hot summer month, with an average temperature varying between 24.3°C (75.7°F) and 29.5°C (85.1°F).

Temperature

The arrival of July sees an average high-temperature of a still moderately hot 29.5°C (85.1°F), hardly diverging from June's 28.8°C (83.8°F). Dieudonné, during July nights, observes an average temperature of 24.3°C (75.7°F).

Heat index

The heat index in July is evaluated at a sweltering 36°C (96.8°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in July is 81%.

Rainfall

In Dieudonné, in July, during 27.4 rainfall days, 146mm (5.75") of precipitation is typically accumulated. In Dieudonné, during the entire year, the rain falls for 288 days and collects up to 1773mm (69.8") of precipitation.

Daylight

In July, the average length of the day in Dieudonné, French Guiana, is 12h and 22min.
On the first day of July, sunrise is at 06:25 and sunset at 18:49. On the last day of the month, sunrise is at 06:29 and sunset at 18:49 -03.

Sunshine

In July, the average sunshine in Dieudonné, French Guiana, is 8.4h.

UV index

The months with the highest UV index in Dieudonné are July through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 during July translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.