December weather forecast
Rundu, Namibia

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Weather in December

December signals the height of the wet season in Rundu, with rainfall reaching close to its yearly maximum. A significant increase in rainfall from 44mm (1.73") in November to 69mm (2.72") shows the height of the wet season. A rise in temperatures, coupled with increasing humidity levels and declining atmospheric pressure, characterise December’s weather. Even with these changes, December weather is appealing for those who enjoy warm, wet climates. As Rundu ushers in the New Year, it also welcomes a large inflow of tourists, eager to engage in diverse outdoor activities and experience unique local traditions.

Temperature

The arrival of December brings an average high-temperature of a still tropical 31.2°C (88.2°F), subtly diverging from November's 33.3°C (91.9°F). An average nighttime temperature of 21.2°C (70.2°F) is witnessed in Rundu throughout December.

Heat index

In December, the heat index is calculated to be a fiery hot 35°C (95°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Consider that heat index readings are for situations in the shade and light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

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

Rainfall

In December, in Rundu, the rain falls for 18.6 days. Throughout December, 69mm (2.72") of precipitation is accumulated. Throughout the year, there are 89 rainfall days, and 324mm (12.76") of precipitation is accumulated.

Daylight

With an average of 13h and 12min of daylight, December has the longest days of the year.
On the first day of December in Rundu, Namibia, sunrise is at 05:56 and sunset at 19:03. On the last day of the month, sunrise is at 06:08 and sunset at 19:19 CAT.

Sunshine

In December, the average sunshine is 10.2h.

UV index

September, October and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 7 in December suggests the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

Is it hot in Rundu during December?

December temperatures vary between a high-temperature of 31.2°C (88.2°F) and a low-temperature of 21.2°C (70.2°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is calculated to be 35°C (95°F).

What is the average humidity in December in Rundu?

The average relative humidity in December is 60%.

How much does it rain in Rundu in December?

In Rundu, Namibia, in December, it is raining for 18.6 days, with typically 69mm (2.72") of accumulated precipitation.

When are the longest days in Rundu?

December has the longest days of the year in Rundu, with an average of 13h and 12min of daylight.

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

In December, the average day length in Rundu is 13h and 11min.

What time are sunrise and sunset in December in Rundu?

In December, on the first day of the month, sunrise is at 05:56 and sunset at 19:03. On the last day of the month, sunrise is at 06:08 and sunset at 19:19 CAT.

How many hours of sunshine does Rundu have in December?

In Rundu, the average sunshine duration in December is 10.2h.

When is the highest UV index in Rundu?

September, October and December, with an average maximum UV index of 7, are months with the highest UV index in Rundu, Namibia.

How high is the UV index in December in Rundu?

In Rundu, Namibia, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in December
Rundu, Namibia

Average temperature in December - Rundu, Namibia
  • Average high temperature in December: 31.2°C

The warmest month (with the highest average high temperature) is October (36.3°C).
The month with the lowest average high temperature is June (25.4°C).

  • Average low temperature in December: 21.2°C

The month with the highest average low temperature is November (21.8°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).

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Average pressure in December
Rundu, Namibia

Average pressure in December - Rundu, Namibia
  • Average pressure in December: 1009.7mbar

The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is January (1009.3mbar).

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Average wind speed in December
Rundu, Namibia

Average wind speed in December - Rundu, Namibia
  • Average wind speed in December: 8.2km/h

The windiest month (with the highest average wind speed) is September (11.1km/h).
The calmest month (with the lowest average wind speed) is December (8.2km/h).

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Average humidity in December
Rundu, Namibia

Average humidity in December - Rundu, Namibia
  • Average humidity in December: 60%

The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is September (19%).

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Average rainfall in December
Rundu, Namibia

Average rainfall in December - Rundu, Namibia
  • Average rainfall in December: 69mm

The wettest month (with the highest rainfall) is January (74mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).

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Average rainfall days in December
Rundu, Namibia

Average rainfall days in December - Rundu, Namibia
  • Average rainfall days in December: 18.6 days

The month with the highest number of rainy days is December (18.6 days).
The month with the least rainy days is August (0 days).

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Average daylight in December /
Average sunshine in December
Rundu, Namibia

Average daylight in December / Average sunshine in December - Rundu, Namibia
  • Average daylight in December: 13h and 1min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in December: 10h and 1min

The month with the most sunshine is November (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 9h and 0min).

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Average sunshine days in December
Rundu, Namibia

Average sunshine days in December - Rundu, Namibia
  • Average sunshine days in December: 10.7 days

The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is December (10.7 days).

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Average UV index in December
Rundu, Namibia

Average UV index in December - Rundu, Namibia
  • Average UV index in December: 7

The months with the highest UV index are September, October and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 5).

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Average cloud cover in December
Rundu, Namibia

Average cloud cover in December - Rundu, Namibia
  • Average cloud cover in December: 29

The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 1).

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Average visibility in December
Rundu, Namibia

Average visibility in December - Rundu, Namibia
  • Average visibility in December: 10km

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

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Rundu, Namibia

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