Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
In Vlakbult, the highest average temperatures are observed in December, with a high of 29.1°C (84.4°F) and a low of 18.8°C (65.8°F).Heat index
The average heat index in December is estimated at a tropical 34°C (93.2°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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 Vlakbult, the average relative humidity in December is 76%.Rainfall
December is the month with the most rainfall in Vlakbult. Rain falls for 20.5 days and accumulates 94mm (3.7") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 42min of daylight.On the first day of the month, sunrise is at 04:53 and sunset at 18:30. On the last day of December, sunrise is at 05:04 and sunset at 18:47 SAST.
Sunshine
The average sunshine in December is 8.7h.UV index
January through March, September through 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 threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. 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
What part of the year is the hottest in Vlakbult?
How hot is it in Vlakbult in December?
What is the average humidity in December in Vlakbult?
What is the wettest month in Vlakbult?
How much does it rain in Vlakbult in December?
When are the longest days in Vlakbult?
What is the average length of the day in December in Vlakbult?
When are sunrise and sunset in December in Vlakbult?
How many hours of sunshine does Vlakbult have in December?
When is the highest UV index in Vlakbult?
What is the UV index reading in December in Vlakbult?
Average temperature in December
Vlakbult, South Africa
- Average high temperature in December: 29.1°C
The warmest month (with the highest average high temperature) is December (29.1°C).
The month with the lowest average high temperature is July (23°C).
- Average low temperature in December: 18.8°C
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is June (10.6°C).
Average pressure in December
Vlakbult, South Africa
- Average pressure in December: 1014.1mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1013.7mbar).
Average wind speed in December
Vlakbult, South Africa
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is September (8.5km/h).
The calmest months (with the lowest average wind speed) are March and May (6.4km/h).
Average humidity in December
Vlakbult, South Africa
- Average humidity in December: 76%
The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in December
Vlakbult, South Africa
- Average rainfall in December: 94mm
The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Vlakbult, South Africa
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is June (1.8 days).
Average daylight in December /
Average sunshine in December
Vlakbult, South Africa
- Average daylight in December: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in December: 8h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).
Average sunshine days in December
Vlakbult, South Africa
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in December
Vlakbult, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).
Average cloud cover in December
Vlakbult, South Africa
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in December
Vlakbult, South Africa
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
