August weather forecast
Farnous, French Guiana

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Weather in August

August brings in slightly more intense weather conditions in Farnous, as temperatures peak just below 31°C (87.8°F), the highest recorded throughout the year. It also heralds the driest period of the year, with rainfall dropping to a measly 68mm (2.68"), the lowest the city will see all year. Wind speeds increase a little, resulting in an average speed of 10km/h (6.2mph). The city typically sees more sunshine, as daylight hours decrease slightly to 12.3 hours from July's 12.4 hours. As September approaches, residents can expect an uptick in rainfall and a reduction in cloud coverage.

Temperature

August commences in Farnous, French Guiana, with an average high-temperature of a tropical 30.9°C (87.6°F), showing little deviation from July's 29.8°C (85.6°F). During the August nights, an average temperature of 23.9°C (75°F) is observed in Farnous.

Heat index

The heat index value for August is appraised at an extremely hot 40°C (104°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in August is 78%.

Rainfall

In Farnous, French Guiana, in August, during 19.2 rainfall days, 68mm (2.68") of precipitation is typically accumulated. In Farnous, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.

Daylight

In Farnous, the average length of the day in August is 12h and 17min.
On the first day of August, sunrise is at 06:26 and sunset at 18:45. On the last day of the month, sunrise is at 06:23 and sunset at 18:36 -03.

Sunshine

In August, the average sunshine in Farnous is 8.8h.

UV index

June through November, with an average maximum UV index of 7, are months with the highest UV index in Farnous. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: During August, 7 as the daily maximum UV index converts into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

How hot does it get in Farnous in August?

The average high-temperature and low-temperature in Farnous, French Guiana, during August are 30.9°C (87.6°F) and 23.9°C (75°F) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 40°C (104°F).

What is the average humidity in August in Farnous?

In August, the average relative humidity is 78%.

How many days does it rain in August in Farnous?

In Farnous, in August, during 19.2 rainfall days, 68mm (2.68") of precipitation is typically accumulated.

How many hours of daylight does Farnous have in August?

In Farnous, French Guiana, the average day length in August is 12h and 17min.

When is the sunrise / sunset in August in Farnous?

On the first day of August in Farnous, French Guiana, sunrise is at 06:26 and sunset at 18:45. On the last day of the month, sunrise is at 06:23 and sunset at 18:36 -03.

How many hours of sunshine does Farnous have in August?

In Farnous, the average sunshine duration in August is 8.8h.

What are the months with the highest UV index in Farnous?

The months with the highest UV index are June through November, with an average maximum UV index of 7.

How high is the UV index in August in Farnous?

In August, the average daily maximum UV index in Farnous is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in August
Farnous, French Guiana

Average temperature in August - Farnous, French Guiana
  • Average high temperature in August: 30.9°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 August: 23.9°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).

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Average pressure in August
Farnous, French Guiana

Average pressure in August - Farnous, French Guiana
  • Average pressure in August: 1012.7mbar

The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

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Average wind speed in August
Farnous, French Guiana

Average wind speed in August - Farnous, French Guiana
  • Average wind speed in August: 10km/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).

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Average humidity in August
Farnous, French Guiana

Average humidity in August - Farnous, French Guiana
  • Average humidity in August: 78%

The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).

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Average rainfall in August
Farnous, French Guiana

Average rainfall in August - Farnous, French Guiana
  • Average rainfall in August: 68mm

The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).

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Average rainfall days in August
Farnous, French Guiana

Average rainfall days in August - Farnous, French Guiana
  • Average rainfall days in August: 19.2 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).

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Average daylight in August /
Average sunshine in August
Farnous, French Guiana

Average daylight in August / Average sunshine in August - Farnous, 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 12min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in August
Farnous, French Guiana

Average sunshine days in August - Farnous, French Guiana
  • Average sunshine days in August: 6.8 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).

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Average UV index in August
Farnous, French Guiana

Average UV index in August - Farnous, French Guiana
  • Average UV index in August: 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).

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Average cloud cover in August
Farnous, French Guiana

Average cloud cover in August - Farnous, French Guiana
  • Average cloud cover in August: 31

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in August
Farnous, French Guiana

Average visibility in August - Farnous, French Guiana
  • Average visibility in August: 10km

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).

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Farnous, French Guiana

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