January weather forecast
Bomi, Sierra Leone

In Bomi, Sierra Leone, the weather in January can be quite varied. Temperatures can reach up to 34.8°C (94.6°F), setting a balmy stage for the beginning of the year. This month marks the transition into a season packed with more hours of sunshine. The new year rings in with humidity on the rise, creating a warm, subtropical environment. Anticipate clear skies and moderate rainfall, complementing the genial climate.

Temperature

Welcoming January, Bomi notes an average high-temperature of a still tropical 34.8°C (94.6°F), nearly consistent with December's 32.6°C (90.7°F). Bomi's average nighttime temperature descends significantly from the day's peak in January, settling at a comfortable 19.7°C (67.5°F).

Heat index

January's heat index is appraised at a life-threatening hot 47°C (116.6°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. 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 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

With an average relative humidity of 65%, January is the least humid month.

Rainfall

The month with the least rainfall in Bomi is January, when the rain falls for 5.8 days and typically collects 8mm (0.31") of precipitation.

Daylight

In January, the average length of the day is 11h and 46min.
On the first day of January in Bomi, Sierra Leone, sunrise is at 06:58 and sunset at 18:40. On the last day of the month, sunrise is at 07:04 and sunset at 18:53 GMT.

Sunshine

The month with the most sunshine is January, with an average of 9.6h of sunshine.

UV index

January through April and December, with an average maximum UV index of 7, are months with the highest UV index in Bomi. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 7 during January translates into the following guidance:
Take precautions against overexposure. Protection against sun damage is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.