December weather forecast
Kagiso, South Africa

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Weather in December

The first month of the summer, December, is still a warm month in Kagiso, South Africa, with an average temperature ranging between max 27.3°C (81.1°F) and min 16.6°C (61.9°F).

Temperature

Kagiso's warmest season falls during January and December, averaging a high-temperature of 27.3°C (81.1°F).

Heat index

The heat index in December is computed to be 28°C (82.4°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In Kagiso, the average relative humidity in December is 60%.

Rainfall

In Kagiso, in December, during 19.2 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Kagiso, during the entire year, the rain falls for 117.1 days and collects up to 441mm (17.36") 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 05:08 and sunset at 18:47. On the last day of December, sunrise is at 05:19 and sunset at 19:04 SAST.

Sunshine

The average sunshine in December is 11.2h.

UV index

The months with the highest UV index in Kagiso are January, February, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 6 transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What time of the year is the hottest in Kagiso?

Kagiso's warmest season falls during January and December, averaging a high-temperature of 27.3°C (81.1°F).

What are December temperatures in Kagiso?

The average high-temperature and low-temperature during December are 27.3°C (81.1°F) and 16.6°C (61.9°F) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in December is computed to be 28°C (82.4°F).

What is the average humidity in December in Kagiso?

In Kagiso, South Africa, the average relative humidity in December is 60%.

How much does it rain in Kagiso in December?

In Kagiso, South Africa, in December, during 19.2 rainfall days, 89mm (3.5") of precipitation is typically accumulated.

When are the longest days in Kagiso?

The month with the longest days in Kagiso, South Africa, is December, with an average of 13h and 42min of daylight.

How many hours of daylight does Kagiso have in December?

In December, the average day length is 13h and 45min.

When are sunrise and sunset in December in Kagiso?

On the first day of December in Kagiso, sunrise is at 05:08 and sunset at 18:47. On the last day of the month, sunrise is at 05:19 and sunset at 19:04 SAST.

How long on average sun shines in December in Kagiso?

The average sunshine duration in December is 11.2h.

What are the months with the highest UV index in Kagiso?

The months with the highest UV index in Kagiso, South Africa, are January, February, October through December, with an average maximum UV index of 6.

How high is the UV index in December in Kagiso?

The average daily maximum UV index in December in Kagiso is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in December
Kagiso, South Africa

Average temperature in December - Kagiso, South Africa
  • Average high temperature in December: 27.3°C

The warmest months (with the highest average high temperature) are January and December (27.3°C).
The months with the lowest average high temperature are June and July (17.8°C).

  • Average low temperature in December: 16.6°C

The month with the highest average low temperature is December (16.6°C).
The coldest month (with the lowest average low temperature) is July (6.1°C).

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Average pressure in December
Kagiso, South Africa

Average pressure in December - Kagiso, South Africa
  • Average pressure in December: 1013.2mbar

The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

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Average wind speed in December
Kagiso, South Africa

Average wind speed in December - Kagiso, South Africa
  • Average wind speed in December: 10km/h

The windiest month (with the highest average wind speed) is November (11.7km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).

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Average humidity in December
Kagiso, South Africa

Average humidity in December - Kagiso, South Africa
  • Average humidity in December: 60%

The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (34%).

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Average rainfall in December
Kagiso, South Africa

Average rainfall in December - Kagiso, South Africa
  • Average rainfall in December: 89mm

The wettest month (with the highest rainfall) is January (90mm).
The driest month (with the least rainfall) is July (1mm).

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Average rainfall days in December
Kagiso, South Africa

Average rainfall days in December - Kagiso, South Africa
  • Average rainfall days in December: 19.2 days

The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is July (1.2 days).

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Average daylight in December /
Average sunshine in December
Kagiso, South Africa

Average daylight in December / Average sunshine in December - Kagiso, 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 30min).

  • Average sunshine in December: 11h and 1min

The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).

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Average sunshine days in December
Kagiso, South Africa

Average sunshine days in December - Kagiso, South Africa
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is December (8.5 days).

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Average UV index in December
Kagiso, South Africa

Average UV index in December - Kagiso, South Africa
  • Average UV index in December: 6

The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

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Average cloud cover in December
Kagiso, South Africa

Average cloud cover in December - Kagiso, South Africa
  • Average cloud cover in December: 25

The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
Kagiso, South Africa

Average visibility in December - Kagiso, South Africa
  • Average visibility in December: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

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Kagiso, South Africa

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