January weather forecast
Îlet Tortue, French Guiana

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Weather in January

January, like December, in Îlet Tortue, French Guiana, is another warm winter month, with an average temperature fluctuating between 27.8°C (82°F) and 24.2°C (75.6°F).

Temperature

January's advent notes a subtle adjustment in average high-temperature to a still moderately hot 27.8°C (82°F) from December. Îlet Tortue's nighttime temperatures in January settle close to daytime highs at an average of 24.2°C (75.6°F).

Heat index

The heat index in January is evaluated at a hot 32°C (89.6°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Îlet Tortue, French Guiana, the average relative humidity in January is 82%.

Rainfall

In January, the rain falls for 27.6 days. Throughout January, 161mm (6.34") of precipitation is accumulated. In Îlet Tortue, 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 January is 11h and 52min.
On the first day of the month, sunrise is at 06:40 and sunset at 18:30. On the last day of January, sunrise is at 06:48 and sunset at 18:42 -03.

Sunshine

In Îlet Tortue, the average sunshine in January is 7.2h.

UV index

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 6 during January leads to these instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Resources | Updated: Jan 31, 2024 | Published by: Weather Atlas

Frequently asked questions

What is the average January temperature in Îlet Tortue?

January temperatures in Îlet Tortue, French Guiana, vary between a high-temperature of 27.8°C (82°F) and a low-temperature of 24.2°C (75.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in January is evaluated at 32°C (89.6°F).

What is the average humidity in January in Îlet Tortue?

The average relative humidity in January is 82%.

How much does it rain in Îlet Tortue in January?

In Îlet Tortue, French Guiana, in January, during 27.6 rainfall days, 161mm (6.34") of precipitation is typically accumulated.

What is the average length of the day in January in Îlet Tortue?

In Îlet Tortue, French Guiana, the average day length in January is 11h and 52min.

When are sunrise and sunset in January in Îlet Tortue?

On the first day of January, sunrise is at 06:40 and sunset at 18:30. On the last day of the month, sunrise is at 06:48 and sunset at 18:42 -03.

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

The average sunshine duration in January in Îlet Tortue is 7.2h.

What are the months with the lowest UV index in Îlet Tortue?

The months with the lowest UV index in Îlet Tortue, French Guiana, are January through June and December, with an average maximum UV index of 6.

What is the UV index reading in January in Îlet Tortue?

The average daily maximum UV index in January in Îlet Tortue, French Guiana, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Average temperature in January
Îlet Tortue, French Guiana

Average temperature in January - Îlet Tortue, French Guiana
  • Average high temperature in January: 27.8°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 January: 24.2°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 January
Îlet Tortue, French Guiana

Average pressure in January - Îlet Tortue, French Guiana
  • Average pressure in January: 1011.9mbar

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 January
Îlet Tortue, French Guiana

Average wind speed in January - Îlet Tortue, French Guiana
  • Average wind speed in January: 14.3km/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 January
Îlet Tortue, French Guiana

Average humidity in January - Îlet Tortue, French Guiana
  • Average humidity in January: 82%

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 January
Îlet Tortue, French Guiana

Average rainfall in January - Îlet Tortue, French Guiana
  • Average rainfall in January: 161mm

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 January
Îlet Tortue, French Guiana

Average rainfall days in January - Îlet Tortue, French Guiana
  • Average rainfall days in January: 27.6 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 January /
Average sunshine in January
Îlet Tortue, French Guiana

Average daylight in January / Average sunshine in January - Îlet Tortue, French Guiana
  • Average daylight in January: 11h and 5min

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 January: 7h 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 January
Îlet Tortue, French Guiana

Average sunshine days in January - Îlet Tortue, French Guiana
  • Average sunshine days in January: 1.4 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 January
Îlet Tortue, French Guiana

Average UV index in January - Îlet Tortue, French Guiana
  • Average UV index in January: 6

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 January
Îlet Tortue, French Guiana

Average cloud cover in January - Îlet Tortue, French Guiana
  • Average cloud cover in January: 50

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 January
Îlet Tortue, French Guiana

Average visibility in January - Îlet Tortue, French Guiana
  • Average visibility in January: 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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