October weather forecast
Le Rallye, French Guiana

October

Weather in October

October, the same as September, in Le Rallye, French Guiana, is a hot autumn month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 31.6°C (88.9°F).

Temperature

October, noted for its average high-temperature of 31.6°C (88.9°F) and an average low-temperature of 24.8°C (76.6°F), is considered the warmest month.

Heat index

In October, the average heat index is computed to be a scorching 41°C (105.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The months with the lowest humidity in Le Rallye are September and October, with an average relative humidity of 76%.

Rainfall

In Le Rallye, during October, the rain falls for 11.6 days and regularly aggregates up to 26mm (1.02") of precipitation. In Le Rallye, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.

Daylight

In October, the average length of the day is 12h and 2min.
On the first day of the month, sunrise is at 06:18 and sunset at 18:23. On the last day of October, sunrise is at 06:16 and sunset at 18:14 -03.

Sunshine

In Le Rallye, the average sunshine in October is 9.1h.

UV index

June through November, with an average maximum UV index of 7, are months with the highest UV index in Le Rallye. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in October transforms into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the warmest month in Le Rallye?
In Le Rallye, French Guiana, the peak average temperatures are observed in October, with a high of 31.6°C (88.9°F) and a low of 24.8°C (76.6°F).
How hot is it in Le Rallye in October?
An average high-temperature, in October, in Le Rallye, is 31.6°C (88.9°F) and the average low-temperature is 24.8°C (76.6°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in October is computed to be 41°C (105.8°F).
What is the least humid month in Le Rallye?
The months with the lowest humidity are September and October, with an average relative humidity of 76%.
What is the average humidity in October in Le Rallye?
In October, the average relative humidity in Le Rallye, French Guiana, is 76%.
How many days does it rain in October in Le Rallye?
In October, in Le Rallye, French Guiana, the rain falls for 11.6 days. Throughout October, 26mm (1.02") of precipitation is accumulated.
How many hours of daylight does Le Rallye have in October?
In October, the average day length is 12h and 2min.
When are sunrise and sunset in October in Le Rallye?
In October, on the first day of the month, sunrise is at 06:18 and sunset at 18:23. On the last day of the month, in Le Rallye, sunrise is at 06:16 and sunset at 18:14 -03.
How long on average sun shines in October in Le Rallye?
In Le Rallye, French Guiana, the average sunshine duration in October is 9.1h.
What is the month with the highest UV index in Le Rallye?
The months with the highest UV index in Le Rallye, French Guiana, are June through November, with an average maximum UV index of 7.
How high is the UV index in October in Le Rallye?
In Le Rallye, the average daily maximum UV index in October is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in October
Le Rallye, French Guiana
  • Average high temperature in October: 31.6°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 October: 24.8°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).

Average pressure in October
Le Rallye, French Guiana
  • Average pressure in October: 1010.6mbar

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

Average wind speed in October
Le Rallye, French Guiana
  • Average wind speed in October: 11.1km/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).

Average humidity in October
Le Rallye, French Guiana
  • Average humidity in October: 76%

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

Average rainfall in October
Le Rallye, French Guiana
  • Average rainfall in October: 26mm

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

Average rainfall days in October
Le Rallye, French Guiana
  • Average rainfall days in October: 11.6 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).

Average daylight in October /
Average sunshine in October
Le Rallye, 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 54min).

  • Average sunshine in October: 9h and 1min

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).

Average sunshine days in October
Le Rallye, French Guiana
  • Average sunshine days in October: 16.5 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).

Average UV index in October
Le Rallye, French Guiana
  • Average UV index in October: 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).

Average cloud cover in October
Le Rallye, French Guiana
  • Average cloud cover in October: 28

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

Average visibility in October
Le Rallye, French Guiana
  • Average visibility in October: 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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