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
Weather in December
Temperature
Temperature readings reach their annual highs in December, averaging 29.3°C (84.7°F) and a minimum average of 15.6°C (60.1°F).Heat index
In December, the average heat index is appraised at a tropical 33°C (91.4°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Geluksburg, South Africa, the average relative humidity in December is 67%.Rainfall
In Geluksburg, in December, during 22.5 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Geluksburg, during the entire year, the rain falls for 149.6 days and collects up to 523mm (20.59") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 54min of daylight.On the first day of the month, sunrise is at 04:56 and sunset at 18:46. On the last day of December, in Geluksburg, South Africa, sunrise is at 05:07 and sunset at 19:03 SAST.
Sunshine
In December, the average sunshine in Geluksburg, South Africa, is 10.7h.UV index
The months with the highest UV index in Geluksburg are January, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during December translates into the following guidance:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Geluksburg?
How hot is December in Geluksburg?
What is the average humidity in December in Geluksburg?
How many days does it rain in December in Geluksburg?
When are the longest days in Geluksburg?
What is the average length of the day in December in Geluksburg?
What time are sunrise and sunset in December in Geluksburg?
How long on average sun shines in December in Geluksburg?
What is the month with the highest UV index in Geluksburg?
What is the UV index intensity in December in Geluksburg?
Average temperature in December
Geluksburg, South Africa
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is June (19.7°C).
- Average low temperature in December: 15.6°C
The month with the highest average low temperature is January (16°C).
The coldest month (with the lowest average low temperature) is July (6.2°C).
Average pressure in December
Geluksburg, South Africa
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is December (1014.9mbar).
Average wind speed in December
Geluksburg, South Africa
- Average wind speed in December: 7.7km/h
The windiest months (with the highest average wind speed) are October and November (8.9km/h).
The calmest month (with the lowest average wind speed) is May (6km/h).
Average humidity in December
Geluksburg, South Africa
- Average humidity in December: 67%
The month with the highest relative humidity is February (73%).
The months with the lowest relative humidity are August and September (45%).
Average rainfall in December
Geluksburg, South Africa
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in December
Geluksburg, South Africa
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (2.8 days).
Average daylight in December /
Average sunshine in December
Geluksburg, South Africa
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 10h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 6min).
The month with the least sunshine is April (Average sunshine: 7h and 6min).
Average sunshine days in December
Geluksburg, South Africa
- Average sunshine days in December: 4.1 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is December (4.1 days).
Average UV index in December
Geluksburg, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Geluksburg, South Africa
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 9).
Average visibility in December
Geluksburg, South Africa
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
Geluksburg, South Africa
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