December weather forecast
Manguzi, South Africa

December, the first month of the summer in Manguzi, is a hot month, with an average temperature ranging between max 30.5°C (86.9°F) and min 21.5°C (70.7°F).

Temperature

Manguzi marks the onset of December with an average high-temperature of a hot 30.5°C (86.9°F), a subtle shift from November's 29.1°C (84.4°F). Manguzi records a consistent low-temperature of 21.5°C (70.7°F) during December nights.

Heat index

In December, the average heat index is estimated at a torrid 38°C (100.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Heat index determinations are made taking into account the shade and light air movements. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The average relative humidity in December in Manguzi is 75%.

Rainfall

In Manguzi, during December, the rain falls for 18.5 days and regularly aggregates up to 65mm (2.56") of precipitation. In Manguzi, during the entire year, the rain falls for 135.5 days and collects up to 406mm (15.98") of precipitation.

Daylight

With an average of 13h and 48min of daylight, December has the longest days of the year.
On the first day of December in Manguzi, sunrise is at 04:46 and sunset at 18:29. On the last day of the month, sunrise is at 04:57 and sunset at 18:46 SAST.

Sunshine

In Manguzi, South Africa, the average sunshine in December is 8.6h.

UV index

January and December, with an average maximum UV index of 7, are months with the highest UV index in Manguzi. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.