January weather forecast
Saint Louis, Senegal

January in Saint Louis, Senegal introduces the New Year with warm days averaging high temperatures of 30.5°C (86.9°F) and lows falling to 15.2°C (59.4°F). The sea welcomes tourists with a moderate temperature of 21.5°C (70.7°F), perfect for a variety of aquatic activities. Relative humidity stands at a comfortable 44%, offering a refreshing start to the year. Evenings may call for light sweaters with cooler temperatures while day-time activities can be planned without the worry of rainfall. The daylight hours stretch to approximately 11.3 hours, giving you ample time to explore this city's attractions.

Temperature

January's arrival in Saint Louis, Senegal, registers an average high-temperature of a still hot 30.5°C (86.9°F), closely aligning with the temperature of the previous month. The significant decline in Saint Louis's temperature, from day to night, averages of 15.2°C (59.4°F) in January.

Heat index

The heat index for January is computed to be a tropical 31°C (87.8°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

With an average relative humidity of 44%, January is the least humid month.

Rainfall

In Saint Louis, during January, the rain falls for 1 days and regularly aggregates up to 2mm (0.08") of precipitation. In Saint Louis, during the entire year, the rain falls for 20 days and collects up to 261mm (10.28") of precipitation.

Sea temperature

In Saint Louis, in January, the average water temperature is 21.5°C (70.7°F).
Note: Swimming is not a pleasurable activity for the majority in water at 21.5°C (70.7°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Saint Louis, the average length of the day in January is 11h and 18min.
On the first day of the month, sunrise is at 07:33 and sunset at 18:45. On the last day of January, in Saint Louis, sunrise is at 07:36 and sunset at 19:02 GMT.

Sunshine

The average sunshine in January is 7.8h.

UV index

January and December, with an average maximum UV index of 8, are months with the lowest UV index. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 8 during January leads to these instructions:
Always take safety measures. The skin and eyes are at risk if left exposed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! Sand and water reflections can notably increase the UV radiation intensity.