January weather forecast
Mariakani, Kenya

January, the same as December, in Mariakani, Kenya, is a hot summer month, with an average temperature varying between 31.2°C (88.2°F) and 24.3°C (75.7°F).

Temperature

Mariakani experiences an average high-temperature of a still hot 31.2°C (88.2°F) in January, subtly different from December's 30.8°C (87.4°F). Nighttime temperature experiences an average drop to a moderately hot 24.3°C (75.7°F) in January.

Heat index

The heat index value for January is computed to be a blisteringly hot 40°C (104°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The months with the highest humidity in Mariakani, Kenya, are January, May, September through December, with an average relative humidity of 77%.

Rainfall

In Mariakani, in January, during 11.5 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, there are 167.2 rainfall days, and 312mm (12.28") of precipitation is accumulated.

Daylight

In Mariakani, the average length of the day in January is 12h and 19min.
On the first day of the month, sunrise is at 06:15 and sunset at 18:35. On the last day of January, sunrise is at 06:26 and sunset at 18:43 EAT.

Sunshine

The average sunshine in January in Mariakani is 8.5h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 7 translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.