January weather forecast
Diamant, French Guiana

January

Weather in January

January, like December, in Diamant, French Guiana, is another warm winter month, with temperature in the range of an average high of 27.8°C (82°F) and an average low of 24.2°C (75.6°F).

Temperature

Diamant starts January with an average high-temperature of a still warm 27.8°C (82°F), hinting at a minimal fluctuation from December. Throughout January, Diamant observes a steady low-temperature average of 24.2°C (75.6°F), reflecting a minor dip from daytime highs.

Heat index

January's heat index is evaluated at a hot 32°C (89.6°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 essentially critical for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Diamant, the average relative humidity in January is 82%.

Rainfall

In Diamant, during January, the rain falls for 27.6 days and regularly aggregates up to 161mm (6.34") of precipitation. In Diamant, 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 in Diamant is 11h and 52min.
On the first day of the month, sunrise is at 06:39 and sunset at 18:28. On the last day of January, sunrise is at 06:46 and sunset at 18:41 -03.

Sunshine

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 average individuals.
Note: In January, the maximum UV index of 6 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the average January temperature in Diamant?
In January, in Diamant, the average high-temperature is 27.8°C (82°F), and the average low-temperature is 24.2°C (75.6°F). In January, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 32°C (89.6°F).
What is the average humidity in January in Diamant?
In January, the average relative humidity in Diamant is 82%.
How much does it rain in Diamant in January?
In Diamant, French Guiana, in January, it is raining for 27.6 days, with typically 161mm (6.34") of accumulated precipitation.
What is the average length of the day in January in Diamant?
In Diamant, French Guiana, the average day length in January is 11h and 52min.
When are sunrise and sunset in January in Diamant?
On the first day of January in Diamant, sunrise is at 06:39 and sunset at 18:28. On the last day of the month, sunrise is at 06:46 and sunset at 18:41 -03.
How long on average sun shines in January in Diamant?
In Diamant, French Guiana, the average sunshine duration in January is 7.2h.
What is the month with the lowest UV index in Diamant?
The months with the lowest UV index in Diamant, 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 Diamant?
In January, the average daily maximum UV index in Diamant, French Guiana, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe 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 January
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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
Diamant, 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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