December weather forecast
Deelfontein, South Africa

December

Weather in December

The first month of the summer, December, is a tropical month in Deelfontein, South Africa, with an average temperature fluctuating between 17.9°C (64.2°F) and 30.5°C (86.9°F).

Temperature

December brings an average high-temperature of a hot 30.5°C (86.9°F), nearly identical to the preceding month. Marked by a significant drop from the daytime highs, Deelfontein's average low-temperature in December stands at a refreshing 17.9°C (64.2°F).

Humidity

In December, the average relative humidity in Deelfontein is 31%.

Rainfall

In Deelfontein, during December, the rain falls for 5.9 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 59.7 rainfall days, and 168mm (6.61") of precipitation is accumulated.

Snowfall

In Deelfontein, snow does not fall in January through June, September through December.

Daylight

The month with the longest days is December, with an average of 14h and 6min of daylight.
On the first day of the month, sunrise is at 05:13 and sunset at 19:14. On the last day of December, sunrise is at 05:24 and sunset at 19:31 SAST.

Sunshine

The month with the most sunshine in Deelfontein, South Africa, is December, with an average of 12h of sunshine.

UV index

January and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 7 in December transforms into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

Is it hot in Deelfontein during December?
During December, Deelfontein experiences an average high-temperature of 30.5°C (86.9°F) and a low-temperature of 17.9°C (64.2°F).
What is the average humidity in December in Deelfontein?
In December, the average relative humidity in Deelfontein, South Africa, is 31%.
How many days does it rain in December in Deelfontein?
In December, the rain falls for 5.9 days. Throughout December, 17mm (0.67") of precipitation is accumulated.
When it does not snow in Deelfontein?
January through June, September through December are months without snowfall in Deelfontein, South Africa.
When are the longest days in Deelfontein?
December has the longest days of the year in Deelfontein, with an average of 14h and 6min of daylight.
How many hours of daylight does Deelfontein have in December?
In December, the average day length in Deelfontein is 14h and 7min.
When is the sunrise / sunset in December in Deelfontein?
In December, on the first day of the month, sunrise is at 05:13 and sunset at 19:14. On the last day of the month, in Deelfontein, sunrise is at 05:24 and sunset at 19:31 SAST.
What month has the most sunshine in Deelfontein?
The month with the most sunshine in Deelfontein, South Africa, is December, with an average of 12h of sunshine.
How long on average sun shines in December in Deelfontein?
The average sunshine duration in December is 12h.
What are the months with the highest UV index in Deelfontein?
The months with the highest UV index are January and December, with an average maximum UV index of 7.
How high is the UV index in December in Deelfontein?
In Deelfontein, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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 snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Deelfontein, South Africa
  • Average high temperature in December: 30.5°C

The warmest month (with the highest average high temperature) is January (31.2°C).
The month with the lowest average high temperature is June (15.2°C).

  • Average low temperature in December: 17.9°C

The month with the highest average low temperature is January (19.5°C).
The coldest month (with the lowest average low temperature) is July (4.9°C).

Average pressure in December
Deelfontein, South Africa
  • Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1010.8mbar).

Average wind speed in December
Deelfontein, South Africa
  • Average wind speed in December: 18.3km/h

The windiest month (with the highest average wind speed) is November (19km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).

Average humidity in December
Deelfontein, South Africa
  • Average humidity in December: 31%

The month with the highest relative humidity is June (50%).
The month with the lowest relative humidity is November (29%).

Average rainfall in December
Deelfontein, South Africa
  • Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is February (32mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in December
Deelfontein, South Africa
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is February (9.3 days).
The month with the least rainy days is August (2.1 days).

Average snowfall days in December
Deelfontein, South Africa
  • Average snowfall days in December: 0 days

The months with the highest number of snowfall days are July and August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Deelfontein, South Africa
  • Average daylight in December: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in December: 12h and 0min

The month with the most sunshine is December (Average sunshine: 12h and 0min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 30min).

Average sunshine days in December
Deelfontein, South Africa
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is February (16.7 days).

Average UV index in December
Deelfontein, South Africa
  • Average UV index in December: 7

The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in December
Deelfontein, South Africa
  • Average cloud cover in December: 10

The month with the most cloud cover is April (Cloud cover 15).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in December
Deelfontein, 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).

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