January weather forecast
Yonibana, Sierra Leone

The start of the year in Yonibana, Sierra Leone experiences a mild climate with consistently sunny days. January marks the start of the dry season, which sees less frequent rainfall and lower humidity levels. While enjoying 11.7 hours of daylight each day, residents also get to bask in sunshine for nearly 9.8 hours. The weather transitions from December’s cooler charm, into one that’s brisk, and less humid, with average relative humidity down to 61%. Visitors during this month can revel in optimal weather conditions and enjoy the outdoor sights of Yonibana.

Temperature

The arrival of January in Yonibana sees an average high-temperature of a fiery hot 35.4°C (95.7°F), hardly diverging from December's 33.1°C (91.6°F). January nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 19.8°C (67.6°F).

Heat index

January's average heat index is calculated to be a burning hot 47°C (116.6°F). Be prepared: Heat cramps and heat exhaustion are probable. Continued activity may lead to heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In Yonibana, the average relative humidity in January is 61%.

Rainfall

The month with the least rainfall in Yonibana is January, when the rain falls for 2.2 days and typically collects 3mm (0.12") of precipitation.

Daylight

In Yonibana, Sierra Leone, the average length of the day in January is 11h and 42min.
On the first day of January, sunrise is at 07:02 and sunset at 18:41. On the last day of the month, sunrise is at 07:09 and sunset at 18:55 GMT.

Sunshine

With an average of 9.8h of sunshine, January has the most sunshine of the year in Yonibana.

UV index

January through May, November and December, with an average maximum UV index of 7, are months with the highest 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 average individuals.
Note: A daily high UV index of 7 in January leads to these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.