January weather forecast
Dégrad Blanc, French Guiana

January, like December, in Dégrad Blanc, French Guiana, is another warm winter month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 29.7°C (85.5°F).

Temperature

Dégrad Blanc indicates an average high-temperature of a moderately hot 29.7°C (85.5°F) in January, showing minor variation from December's 30.8°C (87.4°F). Throughout the month of January, the nighttime temperature dips to an average of 20.8°C (69.4°F).

Heat index

Throughout January, the heat index is evaluated at a very hot 39°C (102.2°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The average relative humidity in January in Dégrad Blanc, French Guiana, is 87%.

Rainfall

In January, in Dégrad Blanc, the rain falls for 26.8 days. Throughout January, 86mm (3.39") of precipitation is accumulated. In Dégrad Blanc, during the entire year, the rain falls for 265.5 days and collects up to 1078mm (42.44") of precipitation.

Daylight

The average length of the day in January is 11h and 56min.
On the first day of January, sunrise is at 06:39 and sunset at 18:33. On the last day of the month, sunrise is at 06:47 and sunset at 18:45 -03.

Sunshine

In Dégrad Blanc, the average sunshine in January is 4.9h.

UV index

The months with the lowest UV index in Dégrad Blanc are January, March and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 5 in January transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.