Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
In July, Petit Cayenne experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 29.8°C (85.6°F), closely mirroring the climate in June. In the month of July, an average of 23.8°C (74.8°F) marks the low-temperature.Heat index
The heat index for July is evaluated at a sweltering 37°C (98.6°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
The average relative humidity in July in Petit Cayenne is 81%.Rainfall
In Petit Cayenne, French Guiana, in July, during 26.6 rainfall days, 133mm (5.24") of precipitation is typically accumulated. Throughout the year, there are 277 rainfall days, and 1707mm (67.2") of precipitation is accumulated.Daylight
In Petit Cayenne, French Guiana, the average length of the day in July is 12h and 22min.On the first day of July, sunrise is at 06:21 and sunset at 18:45. On the last day of the month, sunrise is at 06:26 and sunset at 18:45 -03.
Sunshine
In Petit Cayenne, the average sunshine in July is 8.3h.UV index
The months with the highest UV index are June through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In July, the maximum UV index of 7 suggests these 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.
Frequently asked questions
How hot is July in Petit Cayenne?
What is the average humidity in July in Petit Cayenne?
How many days does it rain in July in Petit Cayenne?
How many hours of daylight does Petit Cayenne have in July?
When is the sunrise / sunset in July in Petit Cayenne?
How long on average sun shines in July in Petit Cayenne?
What are the months with the highest UV index in Petit Cayenne?
What is the UV index reading in July in Petit Cayenne?
Average temperature in July
Petit Cayenne, French Guiana
- Average high temperature in July: 29.8°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is February (27.7°C).
- Average low temperature in July: 23.8°C
The months with the highest average low temperature are October and November (24.8°C).
The coldest months (with the lowest average low temperature) are June and July (23.8°C).
Average pressure in July
Petit Cayenne, French Guiana
- Average pressure in July: 1013.2mbar
The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in July
Petit Cayenne, French Guiana
- Average wind speed in July: 8.3km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is July (8.3km/h).
Average humidity in July
Petit Cayenne, French Guiana
- Average humidity in July: 81%
The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in July
Petit Cayenne, French Guiana
- Average rainfall in July: 133mm
The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in July
Petit Cayenne, French Guiana
- Average rainfall days in July: 26.6 days
The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (11.6 days).
Average daylight in July /
Average sunshine in July
Petit Cayenne, French Guiana
- Average daylight in July: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in July: 8h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in July
Petit Cayenne, French Guiana
- Average sunshine days in July: 2.3 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (0.9 days).
Average UV index in July
Petit Cayenne, French Guiana
- Average UV index in July: 7
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover in July
Petit Cayenne, French Guiana
- Average cloud cover in July: 39
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in July
Petit Cayenne, French Guiana
- Average visibility in July: 9km
The months with the highest visibility are January, February, March, August, September, October and November (10km).
The months with the lowest visibility are April, May, June, July and December (9km).
Petit Cayenne, French Guiana
Weather forecast for your location
2. Allow the app to use your location
