January weather forecast
Rivière-Salée, Martinique

In January, Rivière-Salée experiences mildly warm temperatures that create a comfortable atmosphere for residents and tourists. The weather is generally windy, stirring up cool breezes throughout the month. Note that the pressure is comparatively stable in this period, in contrast with other places that experience wide alterations. This signifies a more consistent atmospheric environment, with less frequent occurrences of strong storms or rapid shifts in weather. Moreover, January registers an average of 33mm (1.3") of rainfall, making it one of the less rainy months of the year.

Temperature

Rivière-Salée, Martinique, transitions into January recording an average high-temperature of a still warm 27°C (80.6°F), closely aligning with the preceding month's temperature. During the nights of January, Rivière-Salée records an average low-temperature of 25.3°C (77.5°F), reflecting a modest decrease from daytime highs.

Heat index

For most parts of January, the heat index is calculated to be 29°C (84.2°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for 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.

Humidity

The months with the lowest humidity are January through March, with an average relative humidity of 74%.

Rainfall

In Rivière-Salée, during January, the rain falls for 22 days and regularly aggregates up to 33mm (1.3") of precipitation. In Rivière-Salée, during the entire year, the rain falls for 252.3 days and collects up to 672mm (26.46") of precipitation.

Daylight

The average length of the day in January is 11h and 23min.
On the first day of the month, sunrise is at 06:28 and sunset at 17:45. On the last day of January, sunrise is at 06:32 and sunset at 18:02 AST.

Sunshine

In January, the average sunshine in Rivière-Salée is 7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, a regular UV index of 7 translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.