January weather forecastBrazzaville, Congo

Weather in January

Kicking off the year, January in Brazzaville, Congo presents warm conditions, noticeable by the substantial heat. This period also experiences high levels of humidity, creating a relatively sticky environment. January brings the city abundant rainfall amounting to 110mm (4.33") over approximately 27 days during the month. The weather rarely sees cloud-free days, which occur only in the range of two days in a month. Additionally, wind speeds remain relatively low, maintaining still and heavy air.

Temperature

The advent of January in Brazzaville denotes an average high-temperature of a hot 30.7°C (87.3°F), subtly different from December's 29.8°C (85.6°F). Brazzaville records an average nighttime low of 21.8°C (71.2°F) in January.

Heat index

During January, the heat index is evaluated at a blistering 40°C (104°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. 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 are of high significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Brazzaville, the average relative humidity in January is 80%.

Rainfall

In Brazzaville, Congo, in January, it is raining for 27.3 days, with typically 110mm (4.33") of accumulated precipitation. Throughout the year, in Brazzaville, there are 243.1 rainfall days, and 1109mm (43.66") of precipitation is accumulated.

Daylight

In Brazzaville, the average length of the day in January is 12h and 20min.
On the first day of the month, sunrise is at 05:51 and sunset at 18:13. On the last day of January, in Brazzaville, sunrise is at 06:03 and sunset at 18:21 WAT.

Sunshine

In Brazzaville, the average sunshine in January is 9.4h.

UV index

January, March through May, July through September, with an average maximum UV index of 7, are months with the highest UV index in Brazzaville, Congo. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 7 during January, leads to the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.