December weather forecast
Piet Retief, South Africa

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Piet Retief, South Africa, with temperature in the range of an average low of 15.2°C (59.4°F) and an average high of 26.3°C (79.3°F).

Temperature

The month of December, characterized by an average high of 26.3°C (79.3°F) and a low of 15.2°C (59.4°F), is recognized as the warmest.

Humidity

In December, the average relative humidity in Piet Retief is 79%.

Rainfall

In December, in Piet Retief, the rain falls for 21.3 days. Throughout December, 102mm (4.02") of precipitation is accumulated. In Piet Retief, during the entire year, the rain falls for 145.6 days and collects up to 538mm (21.18") of precipitation.

Daylight

With an average of 13h and 48min of daylight, December has the longest days of the year in Piet Retief.
On the first day of the month, sunrise is at 04:54 and sunset at 18:37. On the last day of December, sunrise is at 05:05 and sunset at 18:54 SAST.

Sunshine

The average sunshine in December in Piet Retief is 9h.

UV index

The average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 5 during December translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What is the warmest month in Piet Retief?
December, having an average high-temperature of 26.3°C (79.3°F) and an average low-temperature of 15.2°C (59.4°F), is the warmest month.
What is the temperature in December in Piet Retief?
In Piet Retief, in December, the average high-temperature is 26.3°C (79.3°F), and the average low-temperature is 15.2°C (59.4°F).
What is the average humidity in December in Piet Retief?
In December, the average relative humidity in Piet Retief is 79%.
How many days does it rain in December in Piet Retief?
In December, in Piet Retief, the rain falls for 21.3 days. Throughout December, 102mm (4.02") of precipitation is accumulated.
When are the longest days in Piet Retief?
With an average of 13h and 48min of daylight, December has the longest days of the year.
What is the average length of the day in December in Piet Retief?
In December, the average day length in Piet Retief, South Africa, is 13h and 49min.
When are sunrise and sunset in December in Piet Retief?
On the first day of December in Piet Retief, sunrise is at 04:54 and sunset at 18:37. On the last day of the month, sunrise is at 05:05 and sunset at 18:54 SAST.
How many hours of sunshine does Piet Retief have in December?
In December, the average sunshine duration in Piet Retief, South Africa, is 9h.
How high is the UV index in December in Piet Retief?
In Piet Retief, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Piet Retief, South Africa
  • Average high temperature in December: 26.3°C

The warmest month (with the highest average high temperature) is December (26.3°C).
The month with the lowest average high temperature is July (19.4°C).

  • Average low temperature in December: 15.2°C

The months with the highest average low temperature are January and December (15.2°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).

Average pressure in December
Piet Retief, South Africa
  • Average pressure in December: 1014.4mbar

The month with the highest atmospheric pressure is July (1024.3mbar).
The months with the lowest atmospheric pressure are January and December (1014.4mbar).

Average wind speed in December
Piet Retief, South Africa
  • Average wind speed in December: 7.7km/h

The windiest months (with the highest average wind speed) are June and September (9.4km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).

Average humidity in December
Piet Retief, South Africa
  • Average humidity in December: 79%

The months with the highest relative humidity are January, February and March (82%).
The month with the lowest relative humidity is August (54%).

Average rainfall in December
Piet Retief, South Africa
  • Average rainfall in December: 102mm

The wettest month (with the highest rainfall) is January (105mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in December
Piet Retief, South Africa
  • Average rainfall days in December: 21.3 days

The month with the highest number of rainy days is January (23 days).
The month with the least rainy days is June (2.6 days).

Average daylight in December /
Average sunshine in December
Piet Retief, South Africa
  • Average daylight in December: 13h and 5min

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: 9h and 0min

The month with the most sunshine is October (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).

Average sunshine days in December
Piet Retief, South Africa
  • Average sunshine days in December: 7.5 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is January (5 days).

Average UV index in December
Piet Retief, South Africa
  • Average UV index in December: 5

The month with the highest UV index is November (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).

Average cloud cover in December
Piet Retief, South Africa
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and July (Cloud cover 14).

Average visibility in December
Piet Retief, South Africa
  • Average visibility in December: 7km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (7km).

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