December weather forecastCossa, 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 12h and 36min
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 48min
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: 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: 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: 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: 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).





