December weather forecast
Sandbaai, South Africa

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Weather in December

The first month of the summer, December, is a pleasant month in Sandbaai, South Africa, with an average temperature varying between 21.5°C (70.7°F) and 17°C (62.6°F).

Temperature

With the transition into December, Sandbaai notes an average high-temperature of a pleasant 21.5°C (70.7°F), closely resembling November. Sandbaai, in December, registers an average low temperature of 17°C (62.6°F), showing a minute reduction from daily highs.

Humidity

In December, the average relative humidity is 75%.

Rainfall

The months with the least rainfall are February and December Rain falls for 9.9 days and accumulates 13mm (0.51") of rain.

Daylight

With an average of 14h and 24min of daylight, December has the longest days of the year in Sandbaai.
On the first day of the month, sunrise is at 05:23 and sunset at 19:41. On the last day of December, sunrise is at 05:33 and sunset at 19:58 SAST.

Sunshine

With an average of 10.4h of sunshine, December has the most sunshine of the year.

UV index

The average daily maximum UV index in December in Sandbaai, South Africa, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 5 in December suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the temperature in December in Sandbaai?

The high-temperature, in December, in Sandbaai, is 21.5°C (70.7°F), while the low-temperature averages to 17°C (62.6°F).

What is the average humidity in December in Sandbaai?

In Sandbaai, the average relative humidity in December is 75%.

What is the driest month in Sandbaai?

The months with the least rainfall are February and December Rain falls for 9.9 days and accumulates 13mm (0.51") of rain.

How many days does it rain in December in Sandbaai?

In Sandbaai, South Africa, in December, it is raining for 9.9 days, with typically 13mm (0.51") of accumulated precipitation.

When are the longest days in Sandbaai?

The month with the longest days is December, with an average of 14h and 24min of daylight.

How many hours of daylight does Sandbaai have in December?

The average day length in December is 14h and 25min.

When are sunrise and sunset in December in Sandbaai?

On the first day of December in Sandbaai, sunrise is at 05:23 and sunset at 19:41. On the last day of the month, sunrise is at 05:33 and sunset at 19:58 SAST.

What month has the most sunshine in Sandbaai?

With an average of 10.4h of sunshine, December has the most sunshine of the year.

How many hours of sunshine does Sandbaai have in December?

The average sunshine duration in December in Sandbaai is 10.4h.

What is the UV index intensity in December in Sandbaai?

In Sandbaai, South Africa, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Average temperature in December
Sandbaai, South Africa

Average temperature in December - Sandbaai, South Africa
  • Average high temperature in December: 21.5°C

The warmest month (with the highest average high temperature) is February (23.3°C).
The month with the lowest average high temperature is August (16.2°C).

  • Average low temperature in December: 17°C

The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is August (11.5°C).

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Average pressure in December
Sandbaai, South Africa

Average pressure in December - Sandbaai, South Africa
  • Average pressure in December: 1014.6mbar

The month with the highest atmospheric pressure is July (1021.8mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).

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Average wind speed in December
Sandbaai, South Africa

Average wind speed in December - Sandbaai, South Africa
  • Average wind speed in December: 21.1km/h

The windiest month (with the highest average wind speed) is November (21.5km/h).
The calmest month (with the lowest average wind speed) is May (17.7km/h).

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Average humidity in December
Sandbaai, South Africa

Average humidity in December - Sandbaai, South Africa
  • Average humidity in December: 75%

The months with the highest relative humidity are January, February, March, May, September and October (76%).
The months with the lowest relative humidity are April, June and July (74%).

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Average rainfall in December
Sandbaai, South Africa

Average rainfall in December - Sandbaai, South Africa
  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is June (47mm).
The driest months (with the least rainfall) are February and December (13mm).

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Average rainfall days in December
Sandbaai, South Africa

Average rainfall days in December - Sandbaai, South Africa
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is October (7.1 days).

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

Average daylight in December / Average sunshine in December - Sandbaai, South Africa
  • Average daylight in December: 14h and 2min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 10h and 2min

The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).

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Average sunshine days in December
Sandbaai, South Africa

Average sunshine days in December - Sandbaai, South Africa
  • Average sunshine days in December: 16 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is February (13.9 days).

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Average UV index in December
Sandbaai, South Africa

Average UV index in December - Sandbaai, South Africa
  • Average UV index in December: 5

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

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Average cloud cover in December
Sandbaai, South Africa

Average cloud cover in December - Sandbaai, South Africa
  • Average cloud cover in December: 31

The months with the most cloud cover are March and October (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Sandbaai, South Africa

Average visibility in December - Sandbaai, 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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Sandbaai, South Africa

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