July weather forecast
Saï, French Guiana

July, like June, is a hot summer month in Saï, French Guiana, with temperature in the range of an average high of 31.1°C (88°F) and an average low of 20.8°C (69.4°F).

Temperature

The average high-temperature during July registers at a still tropical 31.1°C (88°F), maintaining a close resemblance to the previous month. Throughout the month of July, the nighttime temperature in Saï dips to an average of 20.8°C (69.4°F).

Heat index

The heat index value during July is appraised at a blisteringly hot 43°C (109.4°F). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In July, the average relative humidity is 85%.

Rainfall

In July, in Saï, the rain falls for 24.6 days. Throughout July, 97mm (3.82") of precipitation is accumulated. Throughout the year, in Saï, there are 265.5 rainfall days, and 1078mm (42.44") of precipitation is accumulated.

Daylight

The average length of the day in July in Saï is 12h and 18min.
On the first day of July in Saï, sunrise is at 06:27 and sunset at 18:46. On the last day of the month, sunrise is at 06:31 and sunset at 18:47 -03.

Sunshine

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

UV index

In July, the average daily maximum UV index in Saï is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.