Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's presence marks an average high-temperature of a hot 30.4°C (86.7°F), subtly varied from July's 29.5°C (85.1°F). An average temperature of 24.5°C (76.1°F) marks the nights in Roche Hirondelle in August.Heat index
For most parts of August, the heat index is appraised at a sweltering 38°C (100.4°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
The average relative humidity in August is 78%.Rainfall
In Roche Hirondelle, in August, it is raining for 20.9 days, with typically 71mm (2.8") of accumulated precipitation. Throughout the year, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.Daylight
In Roche Hirondelle, French Guiana, the average length of the day in August is 12h and 17min.On the first day of the month, sunrise is at 06:29 and sunset at 18:50. On the last day of August, sunrise is at 06:26 and sunset at 18:40 -03.
Sunshine
In August, the average sunshine is 8.9h.UV index
The months with the highest UV index are July through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 in August translates into these instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot is August in Roche Hirondelle?
What is the average humidity in August in Roche Hirondelle?
How many days does it rain in August in Roche Hirondelle?
How many hours of daylight does Roche Hirondelle have in August?
When are sunrise and sunset in August in Roche Hirondelle?
How long on average sun shines in August in Roche Hirondelle?
What are the months with the highest UV index in Roche Hirondelle?
What is the UV index intensity in August in Roche Hirondelle?
Average temperature in August
Roche Hirondelle, French Guiana
- Average high temperature in August: 30.4°C
The warmest months (with the highest average high temperature) are September and October (30.9°C).
The month with the lowest average high temperature is February (27.5°C).
- Average low temperature in August: 24.5°C
The month with the highest average low temperature is November (25.1°C).
The coldest month (with the lowest average low temperature) is January (24.2°C).
Average pressure in August
Roche Hirondelle, French Guiana
- Average pressure in August: 1012.6mbar
The months with the highest atmospheric pressure are June and July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in August
Roche Hirondelle, French Guiana
- Average wind speed in August: 11.3km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in August
Roche Hirondelle, French Guiana
- Average humidity in August: 78%
The months with the highest relative humidity are February and May (84%).
The months with the lowest relative humidity are September and October (77%).
Average rainfall in August
Roche Hirondelle, French Guiana
- Average rainfall in August: 71mm
The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in August
Roche Hirondelle, French Guiana
- Average rainfall days in August: 20.9 days
The month with the highest number of rainy days is May (29.6 days).
The months with the least rainy days are September and October (14.3 days).
Average daylight in August /
Average sunshine in August
Roche Hirondelle, French Guiana
- Average daylight in August: 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 August: 8h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in August
Roche Hirondelle, French Guiana
- Average sunshine days in August: 5.8 days
The month with the most sunshine days is October (13.2 days).
The month with the least sunshine days is May (0.6 days).
Average UV index in August
Roche Hirondelle, French Guiana
- Average UV index in August: 7
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover in August
Roche Hirondelle, French Guiana
- Average cloud cover in August: 30
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in August
Roche Hirondelle, French Guiana
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
Roche Hirondelle, French Guiana
Weather forecast for your location
2. Allow the app to use your location
