December weather forecast
Okiene, Congo

The first month of the summer, December, is still a tropical month in Okiene, Congo, with an average temperature varying between 21.9°C (71.4°F) and 31.3°C (88.3°F).

Temperature

The transition into December marks the average high-temperature at a still hot 31.3°C (88.3°F), differing minimally from November's 30.3°C (86.5°F). An average low-temperature of 21.9°C (71.4°F) is anticipated throughout the nights during December.

Heat index

December's mean heat index is estimated at an extremely hot 41°C (105.8°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When you're directly under the sun's rays, remember that the heat index may surge 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.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. 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. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Okiene, Congo, the average relative humidity in December is 77%.

Rainfall

In Okiene, during December, the rain falls for 28 days and regularly aggregates up to 113mm (4.45") of precipitation. In Okiene, Congo, during the entire year, the rain falls for 277.8 days and collects up to 1195mm (47.05") of precipitation.

Daylight

With an average of 12h and 18min of daylight, December has the longest days of the year in Okiene.
On the first day of the month, sunrise is at 05:36 and sunset at 17:53. On the last day of December, in Okiene, sunrise is at 05:49 and sunset at 18:08 WAT.

Sunshine

The average sunshine in December in Okiene is 9.5h.

UV index

The months with the highest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a regular UV index of 7 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.