December weather forecastGolela, Swaziland

December

Weather in December

Wrapping up the year, December in Golela, Swaziland, delivers the peak of its rainy season with rainfall reaching 110mm (4.33"), the highest in the year. This rise is accompanied by both elevated relative humidity of 79% and a modest temperature increase. Yet, with the maximum daylight and sunshine hours in the calendar year, this month creates a delightful blend of tropical wet and warm holiday weather. As a result, the year concludes with a rich diversity of weather conditions, ready to circle back to the wet and warm start of January.

Temperature

December stands out as Golela's warmest month, with temperatures ranging between an average high of 27.5°C (81.5°F) and a low of 17.5°C (63.5°F).

Heat index

Throughout December, the heat index is estimated at a tropical 31°C (87.8°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in December is 79%.

Rainfall

December is the month with the most rainfall. Rain falls for 22.7 days and accumulates 110mm (4.33") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 48min of daylight.
On the first day of the month, sunrise is at 04:49 and sunset at 18:33. On the last day of December, sunrise is at 05:00 and sunset at 18:50 SAST.

Sunshine

The average sunshine in December is 8.7h.

UV index

January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 6 in December suggests the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

December, having an average high-temperature of 27.5°C (81.5°F) and an average low-temperature of 17.5°C (63.5°F), is the warmest month.

December temperatures vary between a high-temperature of 27.5°C (81.5°F) and a low-temperature of 17.5°C (63.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in December is estimated at 31°C (87.8°F).

In December, the average relative humidity is 79%.

December is the month with the most rainfall. Rain falls for 22.7 days and accumulates 110mm (4.33") of precipitation.

In December, the rain falls for 22.7 days. Throughout December, 110mm (4.33") of precipitation is accumulated.

The month with the longest days is December, with an average of 13h and 48min of daylight.

In Golela, the average day length in December is 13h and 50min.

In December, on the first day of the month, sunrise is at 04:49 and sunset at 18:33. On the last day of the month, sunrise is at 05:00 and sunset at 18:50 SAST.

The average sunshine duration in December is 8.7h.

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6.

The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Golela, Swaziland

  • Average high temperature in December: 27.5°C

The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (21.4°C).

  • Average low temperature in December: 17.5°C

The month with the highest average low temperature is December (17.5°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).

Average pressure in December
Golela, Swaziland

  • Average pressure in December: 1014.2mbar

The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1014mbar).

Average wind speed in December
Golela, Swaziland

  • Average wind speed in December: 7.1km/h

The windiest month (with the highest average wind speed) is September (8.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).

Average humidity in December
Golela, Swaziland

  • Average humidity in December: 79%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (57%).

Average rainfall in December
Golela, Swaziland

  • Average rainfall in December: 110mm

The wettest month (with the highest rainfall) is December (110mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in December
Golela, Swaziland

  • Average rainfall days in December: 22.7 days

The month with the highest number of rainy days is December (22.7 days).
The month with the least rainy days is June (3.6 days).

Average daylight in December /
Average sunshine in December
Golela, Swaziland

  • Average daylight in December: 13h and 48min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).

  • Average sunshine in December: 8h and 42min

The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).

Average sunshine days in December
Golela, Swaziland

  • Average sunshine days in December: 5.3 days

The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is December (5.3 days).

Average UV index in December
Golela, Swaziland

  • Average UV index in December: 6

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).

Average cloud cover in December
Golela, Swaziland

  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in December
Golela, Swaziland

  • Average visibility in December: 8km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (7km).