December weather forecast
Dunkeld, South Africa

December

Weather in December

December, the first month of the summer in Dunkeld, is also a moderately hot month, with temperature in the range of an average low of 16.3°C (61.3°F) and an average high of 27°C (80.6°F).

Temperature

Shifting into December, Dunkeld records an average high-temperature of a still warm 27°C (80.6°F), presenting minor fluctuations compared to the previous month. Throughout December, the average low-temperature in Dunkeld records at a refreshing 16.3°C (61.3°F).

Heat index

The heat index in December is calculated to be 28°C (82.4°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Consider that heat index readings are for situations in the shade and light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In December, the average relative humidity is 61%.

Rainfall

In Dunkeld, in December, during 20.6 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Dunkeld, during the entire year, the rain falls for 126.3 days and collects up to 457mm (17.99") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 42min of daylight.
On the first day of the month, sunrise is at 05:07 and sunset at 18:46. On the last day of December, sunrise is at 05:18 and sunset at 19:03 SAST.

Sunshine

The average sunshine in December is 11.2h.

UV index

January, October through December, with an average maximum UV index of 6, are months with the highest UV index in Dunkeld. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What are the temperatures in December?
In December, the average high-temperature and low-temperature are 27°C (80.6°F) and 16.3°C (61.3°F) respectively. In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 28°C (82.4°F).
What is the average humidity in December?
In Dunkeld, the average relative humidity in December is 61%.
How much does it rain in December?
In Dunkeld, South Africa, in December, it is raining for 20.6 days, with typically 89mm (3.5") of accumulated precipitation.
When are the longest days?
December has the longest days of the year, with an average of 13h and 42min of daylight.
How many hours of daylight does Dunkeld have in December?
The average day length in December is 13h and 45min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:07 and sunset at 18:46. On the last day of the month, sunrise is at 05:18 and sunset at 19:03 SAST.
How long on average sun shines in December in Dunkeld?
In Dunkeld, the average sunshine duration in December is 11.2h.
What are the months with the highest UV index?
The months with the highest UV index in Dunkeld are January, October through December, with an average maximum UV index of 6.
What is the UV index intensity in December?
In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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 - Dunkeld, South Africa
Average temperature in December
Dunkeld, South Africa
  • Average high temperature in December: 27°C

The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (17.8°C).

  • Average low temperature in December: 16.3°C

The months with the highest average low temperature are January and December (16.3°C).
The coldest month (with the lowest average low temperature) is July (6.2°C).

Average pressure in December - Dunkeld, South Africa
Average pressure in December
Dunkeld, South Africa
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is January (1013.2mbar).

Average wind speed in December - Dunkeld, South Africa
Average wind speed in December
Dunkeld, South Africa
  • Average wind speed in December: 9.9km/h

The windiest month (with the highest average wind speed) is October (11.6km/h).
The calmest month (with the lowest average wind speed) is May (7.9km/h).

Average humidity in December - Dunkeld, South Africa
Average humidity in December
Dunkeld, South Africa
  • Average humidity in December: 61%

The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (35%).

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

The wettest month (with the highest rainfall) is January (94mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in December - Dunkeld, South Africa
Average rainfall days in December
Dunkeld, South Africa
  • Average rainfall days in December: 20.6 days

The month with the highest number of rainy days is January (21.2 days).
The month with the least rainy days is July (1.5 days).

Average daylight in December / Average sunshine in December - Dunkeld, South Africa
Average daylight in December /
Average sunshine in December
Dunkeld, 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 42min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).

Average sunshine days in December - Dunkeld, South Africa
Average sunshine days in December
Dunkeld, South Africa
  • Average sunshine days in December: 6.7 days

The months with the most sunshine days are July and August (28.8 days).
The months with the least sunshine days are January and December (6.7 days).

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

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

Average cloud cover in December - Dunkeld, South Africa
Average cloud cover in December
Dunkeld, South Africa
  • Average cloud cover in December: 26

The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in December - Dunkeld, South Africa
Average visibility in December
Dunkeld, South Africa
  • Average visibility in December: 9km

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

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