December weather forecast
Yei, South Sudan

December in Yei marks the full onset of the dry season with a significant reduction in rainfall and milder temperatures. The increased wind gusts bring back the freshness to the warming city, making outdoor activities enjoyable again. The days radiate under revitalizing sunshine as the UV index maintains its moderate level. The balance between the steadily rising temperatures and decreasing rainfall make December one of the pleasant months in Yei. The month receives a low rainfall of 22mm (0.87") on the fewest days of the year - 6.9 days.

Temperature

The commencement of December records an average high-temperature of a still moderately hot 29.9°C (85.8°F), barely varying from November's 27.8°C (82°F). Yei experiences an average low-temperature of 18.5°C (65.3°F) in month of December.

Heat index

The heat index value during December is computed to be a tropical 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in December is 55%.

Rainfall

In Yei, in December, it is raining for 6.9 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 235.5 rainfall days, and 1389mm (54.69") of precipitation is accumulated.

Daylight

With an average of 11h and 54min of daylight, December has the shortest days of the year in Yei.
On the first day of the month, sunrise is at 05:49 and sunset at 17:43. On the last day of December, in Yei, South Sudan, sunrise is at 06:03 and sunset at 17:57 CAT.

Sunshine

The average sunshine in December is 9.7h.

UV index

January, February and December, with an average maximum UV index of 7, are months with the highest UV index in Yei. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 7 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.