January weather forecast
Isnard et Priane, French Guiana

January

Weather in January

January, like December, in Isnard et Priane, French Guiana, is a moderately hot winter month, with an average temperature ranging between max 27.8°C (82°F) and min 24.2°C (75.6°F).

Temperature

Isnard et Priane experiences an average high-temperature of a still moderately hot 27.8°C (82°F) in January, marking an insignificant shift from 28.6°C (83.5°F) in December. January's average low-temperature in Isnard et Priane is a still moderately hot 24.2°C (75.6°F), reflecting a minor difference from the day's peak temperatures.

Heat index

The heat index in January is calculated to be a hot 32°C (89.6°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In January, the average relative humidity in Isnard et Priane is 82%.

Rainfall

In Isnard et Priane, in January, during 27.6 rainfall days, 161mm (6.34") of precipitation is typically accumulated. Throughout the year, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.

Daylight

In Isnard et Priane, the average length of the day in January is 11h and 52min.
On the first day of the month, sunrise is at 06:39 and sunset at 18:29. On the last day of January, in Isnard et Priane, sunrise is at 06:46 and sunset at 18:41 -03.

Sunshine

In Isnard et Priane, 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 in Isnard et Priane. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 in January translates into this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What is the usual temperature for Isnard et Priane in January?
The average high-temperature and low-temperature in Isnard et Priane, French Guiana, during January are 27.8°C (82°F) and 24.2°C (75.6°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in January is calculated to be 32°C (89.6°F).
What is the average humidity in January in Isnard et Priane?
In Isnard et Priane, French Guiana, the average relative humidity in January is 82%.
How many days does it rain in January in Isnard et Priane?
In Isnard et Priane, French Guiana, during January, the rain falls for 27.6 days and regularly aggregates up to 161mm (6.34") of precipitation.
How many hours of daylight does Isnard et Priane have in January?
In Isnard et Priane, the average day length in January is 11h and 52min.
When are sunrise and sunset in January in Isnard et Priane?
In January, on the first day of the month, sunrise is at 06:39 and sunset at 18:29. On the last day of the month, in Isnard et Priane, sunrise is at 06:46 and sunset at 18:41 -03.
How long on average sun shines in January in Isnard et Priane?
In January, the average sunshine duration in Isnard et Priane, French Guiana, is 7.2h.
What is the month with the lowest UV index in Isnard et Priane?
The months with the lowest UV index in Isnard et Priane, French Guiana, are January through June and December, with an average maximum UV index of 6.
What is the UV index intensity in January in Isnard et Priane?
In January, the average daily maximum UV index in Isnard et Priane is 6. A UV Index of 6 to 7 symbolizes 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 January
Isnard et Priane, 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).

Average pressure in January
Isnard et Priane, 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).

Average wind speed in January
Isnard et Priane, 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).

Average humidity in January
Isnard et Priane, 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%).

Average rainfall in January
Isnard et Priane, 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).

Average rainfall days in January
Isnard et Priane, 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).

Average daylight in January /
Average sunshine in January
Isnard et Priane, 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).

Average sunshine days in January
Isnard et Priane, 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).

Average UV index in January
Isnard et Priane, 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).

Average cloud cover in January
Isnard et Priane, 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).

Average visibility in January
Isnard et Priane, 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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