December weather forecast
Otjinanwa, Namibia

December

Weather in December

December, the first month of the summer in Otjinanwa, is also a hot month, with an average temperature fluctuating between 23.2°C (73.8°F) and 32°C (89.6°F).

Temperature

The shift into December records an average high-temperature of a still hot 32°C (89.6°F), subtly varied from November's 33.1°C (91.6°F). Throughout December, the temperature tends to fall to a consistent average low of 23.2°C (73.8°F).

Heat index

For most parts of December, the heat index is estimated at a hot 33°C (91.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
One should consider that heat index numbers are for shaded settings and light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in December is 44%.

Rainfall

In Otjinanwa, during December, the rain falls for 17.1 days and regularly aggregates up to 78mm (3.07") of precipitation. In Otjinanwa, during the entire year, the rain falls for 100.8 days and collects up to 379mm (14.92") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 12min of daylight.
On the first day of the month, sunrise is at 06:19 and sunset at 19:30. On the last day of December, sunrise is at 06:32 and sunset at 19:45 CAT.

Sunshine

In December, the average sunshine is 9.4h.

UV index

The months with the highest UV index are January, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 7 in December translates into these instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

How hot is it in Otjinanwa in December?
The average high-temperature and low-temperature during December are 32°C (89.6°F) and 23.2°C (73.8°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in December is estimated at 33°C (91.4°F).
What is the average humidity in December?
The average relative humidity in December in Otjinanwa, Namibia, is 44%.
How many days does it rain in December?
In Otjinanwa, in December, during 17.1 rainfall days, 78mm (3.07") of precipitation is typically accumulated.
When are the longest days?
With an average of 13h and 12min of daylight, December has the longest days of the year.
How many hours of daylight does Otjinanwa have in December?
In Otjinanwa, the average day length in December is 13h and 14min.
When is the sunrise / sunset in December?
In December, on the first day of the month, sunrise is at 06:19 and sunset at 19:30. On the last day of the month, sunrise is at 06:32 and sunset at 19:45 CAT.
How many hours of sunshine does Otjinanwa have in December?
The average sunshine duration in December is 9.4h.
When is the highest UV index?
January, September through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index reading in December?
In Otjinanwa, the average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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 - Otjinanwa, Namibia
Average temperature in December
Otjinanwa, Namibia
  • Average high temperature in December: 32°C

The warmest month (with the highest average high temperature) is October (35.7°C).
The month with the lowest average high temperature is June (26.7°C).

  • Average low temperature in December: 23.2°C

The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).

Average pressure in December - Otjinanwa, Namibia
Average pressure in December
Otjinanwa, Namibia
  • Average pressure in December: 1009.5mbar

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).

Average wind speed in December - Otjinanwa, Namibia
Average wind speed in December
Otjinanwa, Namibia
  • Average wind speed in December: 10.5km/h

The windiest month (with the highest average wind speed) is July (13.1km/h).
The calmest month (with the lowest average wind speed) is February (9.4km/h).

Average humidity in December - Otjinanwa, Namibia
Average humidity in December
Otjinanwa, Namibia
  • Average humidity in December: 44%

The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (18%).

Average rainfall in December - Otjinanwa, Namibia
Average rainfall in December
Otjinanwa, Namibia
  • Average rainfall in December: 78mm

The wettest month (with the highest rainfall) is January (83mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).

Average rainfall days in December - Otjinanwa, Namibia
Average rainfall days in December
Otjinanwa, Namibia
  • Average rainfall days in December: 17.1 days

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is July (0 days).

Average daylight in December / Average sunshine in December - Otjinanwa, Namibia
Average daylight in December /
Average sunshine in December
Otjinanwa, 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 0min).

  • Average sunshine in December: 9h and 2min

The months with the most sunshine are August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 9h and 12min).

Average sunshine days in December - Otjinanwa, Namibia
Average sunshine days in December
Otjinanwa, Namibia
  • Average sunshine days in December: 11.2 days

The month with the most sunshine days is July (31 days).
The month with the least sunshine days is March (10 days).

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

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

Average cloud cover in December - Otjinanwa, Namibia
Average cloud cover in December
Otjinanwa, Namibia
  • Average cloud cover in December: 24

The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).

Average visibility in December - Otjinanwa, Namibia
Average visibility in December
Otjinanwa, Namibia
  • 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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