December weather forecastSifuha, Namibia

Weather in December

December, the first month of the summer in Sifuha, is still a tropical month, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 31.6°C (88.9°F).

Temperature

December's advent presents an average high-temperature of a still hot 31.6°C (88.9°F), indicating a slight variation from the conditions of the previous month. In the month of December, the average temperature dips to an agreeable 21.3°C (70.3°F) during the night.

Heat index

December's mean heat index is estimated at a sweltering 37°C (98.6°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. 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 essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in December is 63%.

Rainfall

In Sifuha, in December, it is raining for 23.9 days, with typically 124mm (4.88") of accumulated precipitation. Throughout the year, in Sifuha, there are 121.1 rainfall days, and 537mm (21.14") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 12min of daylight.
On the first day of the month, sunrise is at 05:37 and sunset at 18:44. On the last day of December, sunrise is at 05:49 and sunset at 18:59 CAT.

Sunshine

The average sunshine in December is 10.6h.

UV index

The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, the UV index of 6 transforms into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.