October weather forecast
Vierge des Trois Tonneaux, French Guiana

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Weather in October

October, like September, is a hot autumn month in Vierge des Trois Tonneaux, French Guiana, with an average temperature varying between 30.9°C (87.6°F) and 25°C (77°F).

Temperature

September and October are identified as the warmest months, with an average high-temperature of 30.9°C (87.6°F).

Heat index

In October, the heat index is evaluated at a scorching 40°C (104°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values remain especially vital for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

September and October, with an average relative humidity of 77%, are the least humid months in Vierge des Trois Tonneaux.

Rainfall

In Vierge des Trois Tonneaux, during October, the rain falls for 14.3 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.

Daylight

The average length of the day in October in Vierge des Trois Tonneaux is 12h and 1min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:24. On the last day of October, sunrise is at 06:17 and sunset at 18:14 -03.

Sunshine

In October, the average sunshine is 9.2h.

UV index

July through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 7 in October translates into these instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What month is the hottest in Vierge des Trois Tonneaux?

The temperature in Vierge des Trois Tonneaux, French Guiana, hits its peak in September and October, recording an average high-temperature of 30.9°C (87.6°F).

Is it hot in Vierge des Trois Tonneaux during October?

The high-temperature, in October, in Vierge des Trois Tonneaux, records 30.9°C (87.6°F), while the low-temperature is 25°C (77°F). In October, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 40°C (104°F).

What is the least humid month in Vierge des Trois Tonneaux?

The months with the lowest humidity are September and October, with an average relative humidity of 77%.

What is the average humidity in October in Vierge des Trois Tonneaux?

In October, the average relative humidity in Vierge des Trois Tonneaux is 77%.

How much does it rain in Vierge des Trois Tonneaux in October?

In Vierge des Trois Tonneaux, French Guiana, in October, it is raining for 14.3 days, with typically 33mm (1.3") of accumulated precipitation.

How many hours of daylight does Vierge des Trois Tonneaux have in October?

The average day length in October is 12h and 1min.

What time are sunrise and sunset in October in Vierge des Trois Tonneaux?

On the first day of October, sunrise is at 06:20 and sunset at 18:24. On the last day of the month, sunrise is at 06:17 and sunset at 18:14 -03.

How long on average sun shines in October in Vierge des Trois Tonneaux?

In October, the average sunshine duration in Vierge des Trois Tonneaux, French Guiana, is 9.2h.

What is the month with the highest UV index in Vierge des Trois Tonneaux?

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

How high is the UV index in October in Vierge des Trois Tonneaux?

In October, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in October
Vierge des Trois Tonneaux, French Guiana

Average temperature in October - Vierge des Trois Tonneaux, French Guiana
  • Average high temperature in October: 30.9°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 October: 25°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).

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Average pressure in October
Vierge des Trois Tonneaux, French Guiana

Average pressure in October - Vierge des Trois Tonneaux, French Guiana
  • Average pressure in October: 1010.6mbar

The months with the highest atmospheric pressure are June and July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

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Average wind speed in October
Vierge des Trois Tonneaux, French Guiana

Average wind speed in October - Vierge des Trois Tonneaux, French Guiana
  • Average wind speed in October: 12.6km/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).

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Average humidity in October
Vierge des Trois Tonneaux, French Guiana

Average humidity in October - Vierge des Trois Tonneaux, French Guiana
  • Average humidity in October: 77%

The months with the highest relative humidity are February and May (84%).
The months with the lowest relative humidity are September and October (77%).

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Average rainfall in October
Vierge des Trois Tonneaux, French Guiana

Average rainfall in October - Vierge des Trois Tonneaux, French Guiana
  • Average rainfall in October: 33mm

The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).

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Average rainfall days in October
Vierge des Trois Tonneaux, French Guiana

Average rainfall days in October - Vierge des Trois Tonneaux, French Guiana
  • Average rainfall days in October: 14.3 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).

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Average daylight in October /
Average sunshine in October
Vierge des Trois Tonneaux, French Guiana

Average daylight in October / Average sunshine in October - Vierge des Trois Tonneaux, French Guiana
  • Average daylight in October: 12h and 0min

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 October: 9h and 1min

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).

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Average sunshine days in October
Vierge des Trois Tonneaux, French Guiana

Average sunshine days in October - Vierge des Trois Tonneaux, French Guiana
  • Average sunshine days in October: 13.2 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).

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Average UV index in October
Vierge des Trois Tonneaux, French Guiana

Average UV index in October - Vierge des Trois Tonneaux, French Guiana
  • Average UV index in October: 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).

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Average cloud cover in October
Vierge des Trois Tonneaux, French Guiana

Average cloud cover in October - Vierge des Trois Tonneaux, French Guiana
  • Average cloud cover in October: 29

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in October
Vierge des Trois Tonneaux, French Guiana

Average visibility in October - Vierge des Trois Tonneaux, French Guiana
  • Average visibility in October: 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).

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Vierge des Trois Tonneaux, French Guiana

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