October weather forecast
Îlet Tortue, French Guiana

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Weather in October

October, like September, is another hot autumn month in Îlet Tortue, French Guiana, with an average temperature varying between 30.9°C (87.6°F) and 25°C (77°F).

Temperature

The warmest period is usually observed in September and October, with the average high-temperature peaking at 30.9°C (87.6°F).

Heat index

October's average heat index is evaluated at a blistering 40°C (104°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

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

Rainfall

In Îlet Tortue, 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

In Îlet Tortue, the average length of the day in October is 12h and 1min.
On the first day of October in Îlet Tortue, French Guiana, sunrise is at 06:19 and sunset at 18:23. On the last day of the month, sunrise is at 06:17 and sunset at 18:13 -03.

Sunshine

The average sunshine in October in Îlet Tortue is 9.2h.

UV index

July through November, with an average maximum UV index of 7, are months with the highest UV index in Îlet Tortue. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 7 in October translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What month is the hottest in Îlet Tortue?

Peak temperatures are observed in September and October, averaging a high-temperature of 30.9°C (87.6°F).

How hot is it in Îlet Tortue in October?

The average high-temperature, in October, in Îlet Tortue, is 30.9°C (87.6°F), while the average low-temperature is 25°C (77°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in October is evaluated at 40°C (104°F).

What is the least humid month in Îlet Tortue?

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 Îlet Tortue?

In Îlet Tortue, French Guiana, the average relative humidity in October is 77%.

How many days does it rain in October in Îlet Tortue?

In October, in Îlet Tortue, French Guiana, the rain falls for 14.3 days. Throughout October, 33mm (1.3") of precipitation is accumulated.

How many hours of daylight does Îlet Tortue have in October?

In Îlet Tortue, the average day length in October is 12h and 1min.

What time are sunrise and sunset in October in Îlet Tortue?

In October, on the first day of the month, sunrise is at 06:19 and sunset at 18:23. On the last day of the month, in Îlet Tortue, sunrise is at 06:17 and sunset at 18:13 -03.

How long on average sun shines in October in Îlet Tortue?

In October, the average sunshine duration in Îlet Tortue, French Guiana, is 9.2h.

What is the month with the highest UV index in Îlet Tortue?

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

How high is the UV index in October in Îlet Tortue?

The average daily maximum UV index in October in Îlet Tortue is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in October
Îlet Tortue, French Guiana

Average temperature in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average pressure in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average wind speed in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average humidity in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average rainfall in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average rainfall days in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average daylight in October / Average sunshine in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average sunshine days in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average UV index in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average cloud cover in October - Îlet Tortue, 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
Îlet Tortue, French Guiana

Average visibility in October - Îlet Tortue, 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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Îlet Tortue, French Guiana

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