October weather forecast
Dégrad Perdu Temps, French Guiana

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Weather in October

October, the same as September, in Dégrad Perdu Temps, French Guiana, is another hot autumn month, with an average temperature ranging between min 25°C (77°F) and max 30.9°C (87.6°F).

Temperature

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

Heat index

For most parts of October, the heat index is appraised at a blisteringly hot 40°C (104°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

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

Rainfall

In Dégrad Perdu Temps, in October, during 14.3 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Dégrad Perdu Temps, during the entire year, the rain falls for 288 days and collects up to 1773mm (69.8") of precipitation.

Daylight

The average length of the day in October is 12h and 1min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:25. On the last day of October, sunrise is at 06:18 and sunset at 18:15 -03.

Sunshine

In October, the average sunshine is 9.2h.

UV index

The months with the highest UV index in Dégrad Perdu Temps are July through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 7 in October translates into this advice:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Resources | Updated: Jan 31, 2024 | Published by: Weather Atlas

Frequently asked questions

What month is the hottest in Dégrad Perdu Temps?

In Dégrad Perdu Temps, French Guiana, the months of September and October register the average highest temperatures, peaking at 30.9°C (87.6°F).

How hot is October in Dégrad Perdu Temps?

In October, in Dégrad Perdu Temps, the average high-temperature is 30.9°C (87.6°F), and the average low-temperature is 25°C (77°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in October is appraised at 40°C (104°F).

What is the least humid month in Dégrad Perdu Temps?

The months with the lowest humidity in Dégrad Perdu Temps, French Guiana, are September and October, with an average relative humidity of 77%.

What is the average humidity in October in Dégrad Perdu Temps?

The average relative humidity in October in Dégrad Perdu Temps is 77%.

How many days does it rain in October in Dégrad Perdu Temps?

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

How many hours of daylight does Dégrad Perdu Temps have in October?

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

What time are sunrise and sunset in October in Dégrad Perdu Temps?

On the first day of October in Dégrad Perdu Temps, French Guiana, sunrise is at 06:20 and sunset at 18:25. On the last day of the month, sunrise is at 06:18 and sunset at 18:15 -03.

How long on average sun shines in October in Dégrad Perdu Temps?

The average sunshine duration in October in Dégrad Perdu Temps is 9.2h.

What is the month with the highest UV index in Dégrad Perdu Temps?

July through November, with an average maximum UV index of 7, are months with the highest UV index in Dégrad Perdu Temps.

What is the UV index intensity in October in Dégrad Perdu Temps?

The average daily maximum UV index in October in Dégrad Perdu Temps, French Guiana, is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in October
Dégrad Perdu Temps, French Guiana

Average temperature in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average pressure in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average wind speed in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average humidity in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average rainfall in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average rainfall days in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average daylight in October / Average sunshine in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average sunshine days in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average UV index in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average cloud cover in October - Dégrad Perdu Temps, 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
Dégrad Perdu Temps, French Guiana

Average visibility in October - Dégrad Perdu Temps, 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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Dégrad Perdu Temps, French Guiana

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