December weather forecast
Tien Myl, Namibia

The first month of the summer, December, is also a hot month in Tien Myl, Namibia, with an average temperature varying between 21.2°C (70.2°F) and 31.2°C (88.2°F).

Temperature

Tien Myl signifies an average high-temperature of a still tropical 31.2°C (88.2°F) in December, closely mirroring the 33.3°C (91.9°F) of November. Throughout December nights, Tien Myl experiences a consistent temperature average of 21.2°C (70.2°F).

Heat index

December's mean heat index is calculated to be a torrid 35°C (95°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Tien Myl, the average relative humidity in December is 60%.

Rainfall

In Tien Myl, in December, it is raining for 18.6 days, with typically 69mm (2.72") of accumulated precipitation. Throughout the year, there are 89 rainfall days, and 324mm (12.76") of precipitation is accumulated.

Daylight

With an average of 13h and 12min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:56 and sunset at 19:04. On the last day of December, sunrise is at 06:08 and sunset at 19:20 CAT.

Sunshine

In December, the average sunshine is 10.2h.

UV index

The months with the highest UV index are September, October and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.