December weather forecast
Hectorspruit, South Africa

December

Weather in December

December, the first month of the summer in Hectorspruit, is also a moderately hot month, with an average temperature fluctuating between 29.1°C (84.4°F) and 18.8°C (65.8°F).

Temperature

Hectorspruit's temperatures peak on average in December, reaching 29.1°C (84.4°F) at their highest and 18.8°C (65.8°F) at their lowest.

Heat index

For most parts of December, the heat index is computed to be a tropical 34°C (93.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Hectorspruit, the average relative humidity in December is 76%.

Rainfall

December is the month with the most rainfall in Hectorspruit. 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 04:54 and sunset at 18:30. On the last day of December, in Hectorspruit, sunrise is at 05:05 and sunset at 18:47 SAST.

Sunshine

In Hectorspruit, the average sunshine in December is 8.7h.

UV index

The months with the highest UV index in Hectorspruit are January through March, September through 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 ordinary individuals.
Note: The UV index of 6 in December translates into these instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What part of the year is the hottest in Hectorspruit?
December is the month when Hectorspruit, South Africa, experiences its warmest temperatures, averaging a high of 29.1°C (84.4°F) and a low of 18.8°C (65.8°F).
Is it hot in Hectorspruit during December?
Hectorspruit in December has an average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 18.8°C (65.8°F). In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 34°C (93.2°F).
What is the average humidity in December in Hectorspruit?
In December, the average relative humidity in Hectorspruit is 76%.
What is the rainiest month in Hectorspruit?
The month with the most rainfall is December, when the rain falls for 20.5 days and typically aggregates up to 94mm (3.7") of precipitation.
How many days does it rain in December in Hectorspruit?
In December, the rain falls for 20.5 days. Throughout December, 94mm (3.7") of precipitation is accumulated.
When are the longest days in Hectorspruit?
The month with the longest days in Hectorspruit, South Africa, is December, with an average of 13h and 42min of daylight.
What is the average length of the day in December in Hectorspruit?
In December, the average day length is 13h and 41min.
What time are sunrise and sunset in December in Hectorspruit?
In December, on the first day of the month, sunrise is at 04:54 and sunset at 18:30. On the last day of the month, sunrise is at 05:05 and sunset at 18:47 SAST.
How many hours of sunshine does Hectorspruit have in December?
The average sunshine duration in December in Hectorspruit is 8.7h.
What are the months with the highest UV index in Hectorspruit?
The months with the highest UV index in Hectorspruit are January through March, September through December, with an average maximum UV index of 6.
What is the UV index intensity in December in Hectorspruit?
In Hectorspruit, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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 - Hectorspruit, South Africa
Average temperature in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average pressure in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average wind speed in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average humidity in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average rainfall in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average rainfall days in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average daylight in December /
Average sunshine in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average sunshine days in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average UV index in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average cloud cover in December
Hectorspruit, 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 - Hectorspruit, South Africa
Average visibility in December
Hectorspruit, 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).

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