October weather forecast
Dégrad Blanc, French Guiana

October

Weather in October

October, the same as September, in Dégrad Blanc, French Guiana, is another tropical autumn month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 34.9°C (94.8°F).

Temperature

October temperatures tend to peak at an average high of 34.9°C (94.8°F) and dip to a low of 20.8°C (69.4°F).

Heat index

The heat index value during October is evaluated at a life-threatening hot 51°C (123.8°F). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The least humid month in Dégrad Blanc is October, with an average relative humidity of 72%.

Rainfall

October is the month with the least rainfall in Dégrad Blanc, French Guiana. Rain falls for 10.4 days and accumulates 21mm (0.83") of precipitation.

Daylight

The average length of the day in October in Dégrad Blanc is 12h and 2min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:25. On the last day of October, in Dégrad Blanc, French Guiana, sunrise is at 06:17 and sunset at 18:16 -03.

Sunshine

September and October, with an average of 8.8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in Dégrad Blanc are August through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in October interprets into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What time of the year is the hottest in Dégrad Blanc?
October, marked by an average high-temperature of 34.9°C (94.8°F) and a low-temperature of 20.8°C (69.4°F), is the warmest month in Dégrad Blanc, French Guiana.
How hot is it in Dégrad Blanc in October?
In Dégrad Blanc, in October, the average high-temperature is 34.9°C (94.8°F), and the average low-temperature is 20.8°C (69.4°F). In October, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 51°C (123.8°F).
What is the least humid month in Dégrad Blanc?
With an average relative humidity of 72%, October is the least humid month in Dégrad Blanc, French Guiana.
What is the average humidity in October in Dégrad Blanc?
In Dégrad Blanc, French Guiana, the average relative humidity in October is 72%.
What is the driest month in Dégrad Blanc?
October is the month with the least rainfall in Dégrad Blanc. Rain falls for 10.4 days and accumulates 21mm (0.83") of precipitation.
How much does it rain in Dégrad Blanc in October?
In Dégrad Blanc, French Guiana, during October, the rain falls for 10.4 days and regularly aggregates up to 21mm (0.83") of precipitation.
How many hours of daylight does Dégrad Blanc have in October?
The average day length in October is 12h and 2min.
When is the sunrise / sunset in October in Dégrad Blanc?
On the first day of October in Dégrad Blanc, sunrise is at 06:20 and sunset at 18:25. On the last day of the month, sunrise is at 06:17 and sunset at 18:16 -03.
What is the month with the most sunshine in Dégrad Blanc?
The months with the most sunshine in Dégrad Blanc, French Guiana, are September and October, with an average of 8.8h of sunshine.
How many hours of sunshine does Dégrad Blanc have in October?
The average sunshine duration in October is 8.8h.
What are the months with the highest UV index in Dégrad Blanc?
August through November, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index reading in October in Dégrad Blanc?
In October, the average daily maximum UV index in Dégrad Blanc, French Guiana, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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
Dégrad Blanc, French Guiana
  • Average high temperature in October: 34.9°C

The warmest month (with the highest average high temperature) is October (34.9°C).
The month with the lowest average high temperature is February (29.3°C).

  • Average low temperature in October: 20.8°C

The month with the highest average low temperature is May (21.9°C).
The coldest months (with the lowest average low temperature) are August and September (20.5°C).

Average pressure in October
Dégrad Blanc, French Guiana
  • Average pressure in October: 1010.2mbar

The months with the highest atmospheric pressure are June and July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in October
Dégrad Blanc, French Guiana
  • Average wind speed in October: 5.2km/h

The windiest months (with the highest average wind speed) are February, March and November (5.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).

Average humidity in October
Dégrad Blanc, French Guiana
  • Average humidity in October: 72%

The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Dégrad Blanc, French Guiana
  • Average rainfall in October: 21mm

The wettest month (with the highest rainfall) is May (192mm).
The driest month (with the least rainfall) is October (21mm).

Average rainfall days in October
Dégrad Blanc, French Guiana
  • Average rainfall days in October: 10.4 days

The months with the highest number of rainy days are January and March (26.8 days).
The month with the least rainy days is October (10.4 days).

Average daylight in October /
Average sunshine in October
Dégrad Blanc, French Guiana
  • Average daylight in October: 12h and 0min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in October: 8h and 5min

The months with the most sunshine are September and October (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in October
Dégrad Blanc, French Guiana
  • Average sunshine days in October: 17.3 days

The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (1.8 days).

Average UV index in October
Dégrad Blanc, French Guiana
  • Average UV index in October: 7

The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, March and December (UV index 5).

Average cloud cover in October
Dégrad Blanc, French Guiana
  • Average cloud cover in October: 44

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is October (Cloud cover 44).

Average visibility in October
Dégrad Blanc, French Guiana
  • Average visibility in October: 8km

The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).

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