December weather forecast and climate
Cala, Angola

December, the first month of the summer, in Cala, is still a warm month, with temperature in the range of an average high of 27.8°C (82°F) and an average low of 19.5°C (67.1°F).

Temperature

With an average high-temperature of 27.8°C (82°F) and an average low-temperature of 19.5°C (67.1°F), December is the coldest month.

Heat index

In December, the average heat index is evaluated at a tropical 32.5°C (90.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. 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', 'apparent temperature', 'feels like', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like metabolic differences, differences in body mass, height, and shape, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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

Months with the highest humidity in Cala are April and December, with an average relative humidity of 86%.

Rainfall

In Cala, during 26.2 rainfall days, 160mm (6.3") of precipitation is typically accumulated. In Cala, Angola, during the entire year, the rain falls for 208.7 days and collects up to 1182mm (46.54") of precipitation.

Daylight

January and December, with an average of 12.6h of daylight, are months with the longest days in Cala.

Sunshine

The average sunshine in December is 8.2h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Cala. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the coldest month in Cala?

With an average high-temperature of 27.8°C (82°F) and an average low-temperature of 19.5°C (67.1°F), December is the coldest month in Cala, Angola.

What is the temperature in December in Cala?

In Cala, Angola, in December, the average high-temperature is 27.8°C (82°F), and the average low-temperature is 19.5°C (67.1°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, in December is calculated to 32.5°C (90.5°F).

What are the most humid months in Cala?

April and December, with an average relative humidity of 86%, are most humid months in Cala.

What is the average humidity in December in Cala?

In December, the average relative humidity in Cala, Angola, is 86%.

How much does it rain in Cala in December?

In Cala, in December, it is raining for 26.2 days, with typically 160mm (6.3") of accumulated precipitation.

When are the longest days in Cala?

January and December, with an average of 12.6h of daylight, are months with the longest days in Cala.

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

The average length of the day in December in Cala is 12.6h.

How many hours of sunshine does Cala have in December?

The average sunshine in December is 8.2h.

When is the highest UV index in Cala?

January through December, with an average maximum UV index of 6, are months with the highest UV index in Cala.

What is the month with the lowest UV index in Cala?

Months with the lowest UV index are January through December, with an average maximum UV index of 6.

What is the UV index intensity in December in Cala?

In December, the average daily maximum UV index in Cala is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Cala, Angola
  • Average high temperature in December: 27.8°C

The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is December (27.8°C).

  • Average low temperature in December: 19.5°C

Months with the highest average low temperature are October and November (20.7°C).
The coldest month (with the lowest average low temperature) is June (16.6°C).

Average pressure in December - Cala, Angola
  • Average pressure in December: 1011.8mbar

The month with the highest atmospheric pressure is July (1014.6mbar).
The month with the lowest atmospheric pressure is February (1011.3mbar).

Average wind speed in December - Cala, Angola
  • Average wind speed in December: 5.4km/h

The windiest month (with the highest average wind speed) is September (9.9km/h).
The calmest month (with the lowest average wind speed) is April (5.1km/h).

Average humidity in December - Cala, Angola
  • Average humidity in December: 86%

Months with the highest relative humidity are April and December (86%).
The month with the lowest relative humidity is July (60%).

Average rainfall in December - Cala, Angola
  • Average rainfall in December: 160mm

The wettest month (with the highest rainfall) is April (219mm).
The driest months (with the least rainfall) are June and July (1mm).

Average rainfall days in December - Cala, Angola
  • Average rainfall days in December: 26.2 days

The month with the highest number of rainy days is November (27.1 days).
Months with the least rainy days are June and July (1.7 days).

Average daylight in December / Average sunshine in December - Cala, Angola
  • Average daylight in December: 12.6h

Months with the longest days are January and December (Average daylight: 12.6h).
The month with the shortest days is June (Average daylight: 11.6h).

  • Average sunshine in December: 8.2h

The month with the most sunshine is January (Average sunshine: 9h).
The month with the least sunshine is April (Average sunshine: 6.7h).

Average sunshine days in December - Cala, Angola
  • Average sunshine days in December: 3.2 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is November (1.4 days).

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

Months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).

Average cloud cover in December - Cala, Angola
  • Average cloud cover in December: 62

The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 17).

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

Months with the highest visibility are July, August and September (10km).
Months with the lowest visibility are January, March, April and December (7km).