December weather forecast and climate
Dekar, Botswana

Weather in December

The first month of the summer, December, is also a hot month in Dekar, Botswana, with average temperature fluctuating between 23.1°C (73.6°F) and 32.4°C (90.3°F).

Temperature

In Dekar, the average high-temperature is practically the same as in November - a still tropical 32.4°C (90.3°F). The average low-temperature, is 23.1°C (73.6°F).

Heat index

In December, the average heat index is evaluated at a hot 33.7°C (92.7°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, wind, pregnancy). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In December, the average relative humidity in Dekar is 44%.

Rainfall

In Dekar, in December, during 18 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Dekar, Botswana, during the entire year, the rain falls for 92.5 days and collects up to 329mm (12.95") of precipitation.

Daylight

The month with the longest days in Dekar is December, with an average of 13.4h of daylight.

Sunshine

In December, the average sunshine in Dekar is 11.6h.

UV index

Months with the highest UV index in Dekar are January, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in December in Dekar?

In December, in Dekar, the average high-temperature is 32.4°C (90.3°F), and the average low-temperature is 23.1°C (73.6°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines both air temperature and relative humidity, is evaluated at 33.7°C (92.7°F).

What is the average humidity in December in Dekar?

The average relative humidity in December in Dekar, Botswana, is 44%.

How many days does it rain in December in Dekar?

In Dekar, Botswana, in December, during 18 rainfall days, 74mm (2.91") of precipitation is typically accumulated.

When are the longest days in Dekar?

The month with the longest days is December, with an average of 13.4h of daylight.

What is the average length of the day in December in Dekar?

The average length of the day in December in Dekar is 13.4h.

How long on average sun shines in December in Dekar?

In Dekar, Botswana, the average sunshine in December is 11.6h.

When is the highest UV index in Dekar?

Months with the highest UV index in Dekar, Botswana, are January, October through December, with an average maximum UV index of 7.

What is the UV index intensity in December in Dekar?

In December, the average daily maximum UV index in Dekar is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.

Average temperature in December
Dekar, Botswana

Average temperature in December - Dekar, Botswana
  • Average high temperature in December: 32.4°C

The warmest month (with the highest average high temperature) is October (34.5°C).
The month with the lowest average high temperature is July (23.1°C).

  • Average low temperature in December: 23.1°C

The month with the highest average low temperature is December (23.1°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).

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Average pressure in December
Dekar, Botswana

Average pressure in December - Dekar, Botswana
  • Average pressure in December: 1009.7mbar

The month with the highest atmospheric pressure is July (1022.1mbar).
The month with the lowest atmospheric pressure is January (1009.5mbar).

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Average wind speed in December
Dekar, Botswana

Average wind speed in December - Dekar, Botswana
  • Average wind speed in December: 11km/h

The windiest months (with the highest average wind speed) are September and October (12.8km/h).
The calmest month (with the lowest average wind speed) is March (9.9km/h).

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Average humidity in December
Dekar, Botswana

Average humidity in December - Dekar, Botswana
  • Average humidity in December: 44%

The month with the highest relative humidity is February (55%).
The month with the lowest relative humidity is September (21%).

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Average rainfall in December
Dekar, Botswana

Average rainfall in December - Dekar, Botswana
  • Average rainfall in December: 74mm

The wettest month (with the highest rainfall) is January (79mm).
The driest month (with the least rainfall) is August (0mm).

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Average rainfall days in December
Dekar, Botswana

Average rainfall days in December - Dekar, Botswana
  • Average rainfall days in December: 18 days

Months with the highest number of rainy days are January and December (18 days).
The month with the least rainy days is August (0 days).

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Average daylight in December /
Average sunshine in December
Dekar, Botswana

Average daylight in December / Average sunshine in December - Dekar, Botswana
  • Average daylight in December: 13.4h

The month with the longest days is December (Average daylight: 13.4h).
The month with the shortest days is June (Average daylight: 10.8h).

  • Average sunshine in December: 11.6h

The month with the most sunshine is November (Average sunshine: 11.9h).
The month with the least sunshine is June (Average sunshine: 8.1h).

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Average sunshine days in December
Dekar, Botswana

Average sunshine days in December - Dekar, Botswana
  • Average sunshine days in December: 9 days

The month with the most sunshine days is August (30.9 days).
The month with the least sunshine days is December (9 days).

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Average UV index in December
Dekar, Botswana

Average UV index in December - Dekar, Botswana
  • Average UV index in December: 7

Months with the highest UV index are January, October, November and December (UV index 7).
Months with the lowest UV index are May, June and July (UV index 5).

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Average cloud cover in December
Dekar, Botswana

Average cloud cover in December - Dekar, Botswana
  • Average cloud cover in December: 22

Months with the most cloud cover are January and February (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 1).

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Average visibility in December
Dekar, Botswana

Average visibility in December - Dekar, Botswana
  • Average visibility in December: 10km

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

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