December, the final month of Gregorian calendar in
Katima Mulilo, maintains the hot, wet trend of the past two months with 152mm (5.98") of rainfall. As the weather elements shift towards the typical annual end, it beckons the culmination of the climatic cycle with a symphony of temperature, humidity, and rain. Despite these changes, the UV index persists throughout the year, advocating the consistent need for sun protection. As one year draws its curtains, the city readies itself for the next year's weather patterns, beginning with a warm, shower-streaked
January.
Temperature
As Katima Mulilo welcomes December, the average high-temperature stabilizes at a warm 29.8°C (85.6°F), showing little deviation from
November's 30.3°C (86.5°F). Throughout December, Katima Mulilo's nights cool down to an average of 18.8°C (65.8°F).
Heat index
In December, the average heat index is evaluated at a tropical 32°C (89.6°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. 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 'feels like' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. 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 hold particular significance for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Katima Mulilo,
Namibia, the average relative humidity in December is 57%.
Rainfall
In December, the rain falls for 13 days. Throughout December, 152mm (5.98") of precipitation is accumulated. Throughout the year, there are 68 rainfall days, and 682mm (26.85") 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 05:39 and sunset at 18:45. On the last day of December, sunrise is at 05:51 and sunset at 19:00 CAT.
Sunshine
In December, the average sunshine is 7h.
UV index
The months with the highest UV index are January through
March,
October through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 12 in December translates into the following instructions:
Practice every precaution of necessity, unprotected skin and eyes might burn in minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Even if it's cloudy, generously apply and frequently reapply a sunscreen with no less than a 30 sun protection factor after each swim or outdoor exercise.