Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
The onset of January notes an average high-temperature of a still warm 28°C (82.4°F), subtly shifted from December's 28.8°C (83.8°F). Trois Rois experiences a subtle drop in temperature during the January nights, recording an average of 24°C (75.2°F).Heat index
In January, the heat index is evaluated at a hot 33°C (91.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for 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.
Humidity
In January, the average relative humidity is 84%.Rainfall
In Trois Rois, in January, during 28 rainfall days, 154mm (6.06") of precipitation is typically accumulated. Throughout the year, there are 277 rainfall days, and 1707mm (67.2") of precipitation is accumulated.Daylight
In Trois Rois, the average length of the day in January is 11h and 52min.On the first day of the month, sunrise is at 06:38 and sunset at 18:28. On the last day of January, in Trois Rois, sunrise is at 06:46 and sunset at 18:40 -03.
Sunshine
In January, the average sunshine in Trois Rois is 6.8h.UV index
The months with the lowest UV index are January through May and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in January converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Trois Rois in January?
What is the average humidity in January in Trois Rois?
How much does it rain in Trois Rois in January?
What is the average length of the day in January in Trois Rois?
When is the sunrise / sunset in January in Trois Rois?
How many hours of sunshine does Trois Rois have in January?
What are the months with the lowest UV index in Trois Rois?
What is the UV index intensity in January in Trois Rois?
Average temperature in January
Trois Rois, French Guiana
- Average high temperature in January: 28°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is February (27.7°C).
- Average low temperature in January: 24°C
The months with the highest average low temperature are October and November (24.8°C).
The coldest months (with the lowest average low temperature) are June and July (23.8°C).
Average pressure in January
Trois Rois, French Guiana
- Average pressure in January: 1011.9mbar
The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in January
Trois Rois, French Guiana
- Average wind speed in January: 12.2km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is July (8.3km/h).
Average humidity in January
Trois Rois, French Guiana
- Average humidity in January: 84%
The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in January
Trois Rois, French Guiana
- Average rainfall in January: 154mm
The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in January
Trois Rois, French Guiana
- Average rainfall days in January: 28 days
The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (11.6 days).
Average daylight in January /
Average sunshine in January
Trois Rois, 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: 6h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in January
Trois Rois, French Guiana
- Average sunshine days in January: 1.8 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (0.9 days).
Average UV index in January
Trois Rois, French Guiana
- Average UV index in January: 6
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover in January
Trois Rois, French Guiana
- Average cloud cover in January: 53
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in January
Trois Rois, French Guiana
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, August, September, October and November (10km).
The months with the lowest visibility are April, May, June, July and December (9km).
