January weather forecast
Roura, French Guiana

January marks a new year in Roura, French Guiana, with a typical warm tropical climate and considerable humidity. The weather during this month does not veer too drastically from other parts of the year. Rainfall, with an average of 154mm (6.06"), is a prominent feature across the month, making it relatively wetter than most other regions. Sun-seekers can enjoy almost 7 hours of sunlight, though clouds tend to dominate the sky. Moving onto February, it is likely to experience a slight increase in precipitation.

Temperature

Roura experiences a recorded average high-temperature of a still warm 28°C (82.4°F) in January, closely aligned with December's 28.8°C (83.8°F). With a barely noticeable fluctuation in temperature, Roura reaches an average low of 24°C (75.2°F) during the January nights.

Heat index

The heat index value during January is calculated to be a tropical 33°C (91.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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

The average relative humidity in January is 84%.

Rainfall

In January, in Roura, the rain falls for 28 days. Throughout January, 154mm (6.06") of precipitation is accumulated. In Roura, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.

Daylight

In January, the average length of the day in Roura is 11h and 53min.
On the first day of January, sunrise is at 06:37 and sunset at 18:28. On the last day of the month, sunrise is at 06:45 and sunset at 18:40 -03.

Sunshine

In January, the average sunshine 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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 6 in January translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.