January weather forecast
Bois Couronné, French Guiana

January in Bois Couronné, French Guiana, greets us with typical tropical climate traits. High temperature, relative humidity, and abundant precipitation define the city's weather at the onset of the year. Averaging at around 29.4°C (84.9°F), the daytime temperatures often lead to afternoon thundershowers. When compared with December, the rainfall increases from 84mm (3.31") to 54mm (2.13"), making January a considerably wetter period. The weather gradually transitions into a slightly drier phase, setting the stage for February.

Temperature

Bois Couronné marks the arrival of January with an average high-temperature of a moderately hot 29.4°C (84.9°F), hardly different from December's 30.2°C (86.4°F). The average nighttime temperature lowers to an agreeable 22.4°C (72.3°F) throughout January.

Heat index

Throughout January, the heat index is estimated at a fiery hot 36°C (96.8°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 relevant to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

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

Rainfall

In January, the rain falls for 23.6 days. Throughout January, 54mm (2.13") of precipitation is accumulated. In Bois Couronné, French Guiana, during the entire year, the rain falls for 253 days and collects up to 878mm (34.57") of precipitation.

Daylight

The average length of the day in January is 11h and 53min.
On the first day of the month, sunrise is at 06:42 and sunset at 18:33. On the last day of January, in Bois Couronné, French Guiana, sunrise is at 06:50 and sunset at 18:45 -03.

Sunshine

In Bois Couronné, the average sunshine in January is 6.3h.

UV index

The months with the lowest UV index in Bois Couronné are January through June and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 6 suggests this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.