December weather forecast
Cossa, Angola

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Cossa, Angola, with temperature in the range of an average low of 19.3°C (66.7°F) and an average high of 27.2°C (81°F).

Temperature

Cossa experiences its lowest temperatures in December, with an average peak of 27.2°C (81°F) and a low of 19.3°C (66.7°F).

Heat index

The average heat index in December is appraised at a tropical 31°C (87.8°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

The most humid month is December, with an average relative humidity of 88%.

Rainfall

In December, the rain falls for 30.4 days. Throughout December, 198mm (7.8") of precipitation is accumulated. In Cossa, during the entire year, the rain falls for 235.5 days and collects up to 1228mm (48.35") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of December in Cossa, sunrise is at 05:07 and sunset at 17:40. On the last day of the month, sunrise is at 05:20 and sunset at 17:55 WAT.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year in Cossa.

UV index

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 6 in December leads to these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the coldest time of year?
Temperature readings reach their annual highs in December, averaging 27.2°C (81°F) and a minimum average of 19.3°C (66.7°F).
What are the temperatures in December?
During December, Cossa experiences an average high-temperature of 27.2°C (81°F) and a low-temperature of 19.3°C (66.7°F). In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 31°C (87.8°F).
What is the most humid month?
December is the most humid month, with an average relative humidity of 88%.
What is the average humidity in December?
In Cossa, the average relative humidity in December is 88%.
How many days does it rain in December?
In December, the rain falls for 30.4 days. Throughout December, 198mm (7.8") of precipitation is accumulated.
When are the longest days?
With an average of 12h and 36min of daylight, December has the longest days of the year.
How many hours of daylight does Cossa have in December?
In Cossa, the average day length in December is 12h and 35min.
When are sunrise and sunset in December in Cossa?
In December, on the first day of the month, sunrise is at 05:07 and sunset at 17:40. On the last day of the month, sunrise is at 05:20 and sunset at 17:55 WAT.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 6.8h of sunshine.
How long on average sun shines in December in Cossa?
In December, the average sunshine duration is 6.8h.
What is the UV index intensity in December in Cossa?
The average daily maximum UV index in December is 6. A UV Index estimate 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 - Cossa, Angola
Average temperature in December
Cossa, Angola
  • Average high temperature in December: 27.2°C

The warmest month (with the highest average high temperature) is August (35.6°C).
The month with the lowest average high temperature is December (27.2°C).

  • Average low temperature in December: 19.3°C

The month with the highest average low temperature is September (21.7°C).
The coldest month (with the lowest average low temperature) is June (19.1°C).

Average pressure in December - Cossa, Angola
Average pressure in December
Cossa, Angola
  • Average pressure in December: 1011.5mbar

The month with the highest atmospheric pressure is June (1013.4mbar).
The months with the lowest atmospheric pressure are February and October (1010.6mbar).

Average wind speed in December - Cossa, Angola
Average wind speed in December
Cossa, Angola
  • Average wind speed in December: 4.6km/h

The windiest months (with the highest average wind speed) are June and July (7km/h).
The calmest months (with the lowest average wind speed) are March and December (4.6km/h).

Average humidity in December - Cossa, Angola
Average humidity in December
Cossa, Angola
  • Average humidity in December: 88%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is July (30%).

Average rainfall in December - Cossa, Angola
Average rainfall in December
Cossa, Angola
  • Average rainfall in December: 198mm

The wettest month (with the highest rainfall) is November (199mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in December - Cossa, Angola
Average rainfall days in December
Cossa, Angola
  • Average rainfall days in December: 30.4 days

The month with the highest number of rainy days is December (30.4 days).
The month with the least rainy days is July (1.5 days).

Average daylight in December / Average sunshine in December - Cossa, Angola
Average daylight in December /
Average sunshine in December
Cossa, Angola
  • Average daylight in December: 12h and 4min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in December - Cossa, Angola
Average sunshine days in December
Cossa, Angola
  • Average sunshine days in December: 0.4 days

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is December (0.4 days).

Average UV index in December - Cossa, Angola
Average UV index in December
Cossa, Angola
  • Average UV index in December: 6

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is November (UV index 5).

Average cloud cover in December - Cossa, Angola
Average cloud cover in December
Cossa, Angola
  • Average cloud cover in December: 58

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in December - Cossa, Angola
Average visibility in December
Cossa, Angola
  • Average visibility in December: 7km

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are November and December (7km).

englishespañol中文
Share