December weather forecastLobamba, Swaziland
December
Weather in December
December indicates the start of the hot season in Lobamba with the temperature surging from 17.5°C (63.5°F) to 27.5°C (81.5°F). This rise is accompanied by the highest rainfall of the year at 110mm (4.33"), making it the wettest month compared to November. It also comprises more cloudy days, thus reducing the hours of overall sunshine. In addition, the wind speeds decrease to 7.1km/h (4.4mph), making for less breezy days. Overall, December serves as a transitional period, leading to cooler weather in the forthcoming months.Temperature
Lobamba's December weather, marked by 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 in the year.Heat index
December's mean heat index is computed to be a hot 31°C (87.8°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. 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.
Humidity
In Lobamba, the average relative humidity in December is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 22.7 days and typically aggregates up to 110mm (4.33") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 48min of daylight.On the first day of December, sunrise is at 04:54 and sunset at 18:34. On the last day of the month, sunrise is at 05:05 and sunset at 18:51 SAST.
Sunshine
In Lobamba, the average sunshine in December is 8.7h.UV index
The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lobamba, 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
Lobamba, 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
Lobamba, 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
Lobamba, 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
Lobamba, 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
Lobamba, 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
Lobamba, 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 30min).
- 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
Lobamba, 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
Lobamba, 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
Lobamba, 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
Lobamba, 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).





