October weather forecast
Malmanoury, French Guiana

October

Weather in October

October, the same as September, in Malmanoury, French Guiana, is another tropical autumn month, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 25°C (77°F).

Temperature

In Malmanoury, the warmest months are September and October, registering an average high-temperature of 30.9°C (87.6°F).

Heat index

The heat index in October is calculated to be a scorching 40°C (104°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

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

Rainfall

In Malmanoury, 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 Malmanoury is 12h and 0min.
On the first day of October in Malmanoury, sunrise is at 06:18 and sunset at 18:23. On the last day of the month, sunrise is at 06:17 and sunset at 18:13 -03.

Sunshine

In October, the average sunshine is 9.2h.

UV index

The months with the highest UV index are July through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 7 transforms into these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What part of the year is the hottest in Malmanoury?
The warmest period in Malmanoury, French Guiana, with an average high-temperature of 30.9°C (87.6°F), falls in September and October.
Is it hot in Malmanoury during October?
In October, in Malmanoury, the average high-temperature is 30.9°C (87.6°F), and the average low-temperature is 25°C (77°F). In October, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 40°C (104°F).
What are the least humid months in Malmanoury?
September and October, with an average relative humidity of 77%, are the least humid months in Malmanoury, French Guiana.
What is the average humidity in October in Malmanoury?
In Malmanoury, French Guiana, the average relative humidity in October is 77%.
How many days does it rain in October in Malmanoury?
In October, in Malmanoury, the rain falls for 14.3 days. Throughout October, 33mm (1.3") of precipitation is accumulated.
What is the average length of the day in October in Malmanoury?
The average day length in October is 12h and 0min.
What time are sunrise and sunset in October in Malmanoury?
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, sunrise is at 06:17 and sunset at 18:13 -03.
How long on average sun shines in October in Malmanoury?
The average sunshine duration in October in Malmanoury is 9.2h.
What are the months with the highest UV index in Malmanoury?
July through November, with an average maximum UV index of 7, are months with the highest UV index in Malmanoury, French Guiana.
What is the UV index reading in October in Malmanoury?
The average daily maximum UV index in October is 7. A UV Index reading 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
Malmanoury, 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).

Average pressure in October
Malmanoury, 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).

Average wind speed in October
Malmanoury, 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).

Average humidity in October
Malmanoury, 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%).

Average rainfall in October
Malmanoury, 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).

Average rainfall days in October
Malmanoury, 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).

Average daylight in October /
Average sunshine in October
Malmanoury, 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).

Average sunshine days in October
Malmanoury, 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).

Average UV index in October
Malmanoury, 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).

Average cloud cover in October
Malmanoury, 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).

Average visibility in October
Malmanoury, 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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