July weather forecast
Corossony, French Guiana

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

Temperature

Corossony's shift into July sets the average high-temperature at a still warm 29.5°C (85.1°F), a figure that deviates only slightly from June's 28.8°C (83.8°F). In July, the temperature drops to an average of 24.3°C (75.7°F) at night.

Heat index

July's average heat index is calculated to be a very hot 36°C (96.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. 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 are of high significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In July, the average relative humidity is 81%.

Rainfall

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

Daylight

In Corossony, the average length of the day in July is 12h and 24min.
On the first day of July, sunrise is at 06:23 and sunset at 18:49. On the last day of the month, sunrise is at 06:27 and sunset at 18:49 -03.

Sunshine

The average sunshine in July in Corossony is 8.4h.

UV index

July through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the average maximum UV index of 7 translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.