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 snowfall in December
- Average snowfall 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
The advent of December signifies a minor shift to an average high-temperature of a still warm 27.4°C (81.3°F), aligning closely with November. During the December nights, an average temperature of 15.4°C (59.7°F) is observed.Heat index
The heat index value during December is estimated at 28°C (82.4°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In December, the average relative humidity is 46%.Rainfall
December is the month with the most rainfall in Dewetsdorp, South Africa. Rain falls for 14.5 days and accumulates 72mm (2.83") of precipitation.Snowfall
In Dewetsdorp, snow does not fall in January through May, July through December.Daylight
The month with the longest days in Dewetsdorp is December, with an average of 14h and 0min of daylight.On the first day of December in Dewetsdorp, sunrise is at 05:05 and sunset at 18:59. On the last day of the month, sunrise is at 05:16 and sunset at 19:16 SAST.
Sunshine
In Dewetsdorp, the average sunshine in December is 11.6h.UV index
The months with the highest UV index are January, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the temperature in December in Dewetsdorp?
What is the average humidity in December in Dewetsdorp?
What is the rainiest month in Dewetsdorp?
How much does it rain in Dewetsdorp in December?
When it does not snow in Dewetsdorp?
When are the longest days in Dewetsdorp?
How many hours of daylight does Dewetsdorp have in December?
When are sunrise and sunset in December in Dewetsdorp?
How long on average sun shines in December in Dewetsdorp?
What is the month with the highest UV index in Dewetsdorp?
How high is the UV index in December in Dewetsdorp?
Average temperature in December
Dewetsdorp, South Africa
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is January (28°C).
The month with the lowest average high temperature is June (14.7°C).
- Average low temperature in December: 15.4°C
The month with the highest average low temperature is January (16.7°C).
The coldest month (with the lowest average low temperature) is July (3.1°C).
Average pressure in December
Dewetsdorp, South Africa
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is July (1025.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Dewetsdorp, South Africa
- Average wind speed in December: 12.3km/h
The windiest month (with the highest average wind speed) is November (13.3km/h).
The calmest month (with the lowest average wind speed) is May (8.1km/h).
Average humidity in December
Dewetsdorp, South Africa
- Average humidity in December: 46%
The months with the highest relative humidity are February and April (55%).
The month with the lowest relative humidity is September (33%).
Average rainfall in December
Dewetsdorp, South Africa
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (6mm).
Average rainfall days in December
Dewetsdorp, South Africa
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is January (16.1 days).
The month with the least rainy days is July (3 days).
Average snowfall in December
Dewetsdorp, South Africa
- Average snowfall in December: 0mm
The month with the highest snowfall is June (2mm).
The months with the least snowfall are January, February, March, April, May, July, August, September, October, November and December (0mm).
Average snowfall days in December
Dewetsdorp, South Africa
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is June (0.4 days).
The months with the least snowfall days are January, February, March, April, May, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Dewetsdorp, South Africa
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 11h and 4min
The month with the most sunshine is November (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in December
Dewetsdorp, South Africa
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is July (27.4 days).
The month with the least sunshine days is January (11.4 days).
Average UV index in December
Dewetsdorp, 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 3).
Average cloud cover in December
Dewetsdorp, South Africa
- Average cloud cover in December: 18
The month with the most cloud cover is February (Cloud cover 20).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Dewetsdorp, South Africa
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Dewetsdorp, South Africa
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