December weather forecastSierra Morena, Cuba

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Sierra Morena, Cuba, with an average temperature fluctuating between 26°C (78.8°F) and 21.2°C (70.2°F).

Temperature

As November transitions into December, Sierra Morena records an average high-temperature of a still moderately hot 26°C (78.8°F), showing a gentle shift from the preceding month. A slight dip in temperature to an agreeable 21.2°C (70.2°F) marks the average nights during December.

Humidity

October and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In December, the rain falls for 10.4 days. Throughout December, 20mm (0.79") of precipitation is accumulated. In Sierra Morena, during the entire year, the rain falls for 185.5 days and collects up to 678mm (26.69") of precipitation.

Daylight

December has the shortest days of the year, with an average of 10h and 48min of daylight.
On the first day of December, sunrise is at 06:46 and sunset at 17:36. On the last day of the month, sunrise is at 07:02 and sunset at 17:48 CST.

Sunshine

The average sunshine in December is 6.5h.

UV index

January through March, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 6 turns into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Updated: Aug 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December temperatures vary between a high-temperature of 26°C (78.8°F) and a low-temperature of 21.2°C (70.2°F). In November, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 30°C (86°F).

October and December, with an average relative humidity of 80%, are most humid months.

In December, the average relative humidity is 80%.

In Sierra Morena, in December, during 10.4 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

The month with the shortest days in Sierra Morena is December, with an average of 10h and 48min of daylight.

The average day length in December is 10h and 45min.

In December, on the first day of the month, sunrise is at 06:46 and sunset at 17:36. On the last day of the month, sunrise is at 07:02 and sunset at 17:48 CST.

In Sierra Morena, the average sunshine duration in December is 6.5h.

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 6.

In Sierra Morena, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

27.1°C

26°C

25°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.8km/h

16.1km/h

16.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

14.2

15.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Sierra Morena, Cuba

Average high temperature in December: 26°C

The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (25°C).

Average low temperature in December: 21.2°C

The month with the highest average low temperature is August (25.7°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).

Average pressure in December
Sierra Morena, Cuba

Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is January (1018.2mbar).
The month with the lowest atmospheric pressure is October (1012.9mbar).

Average wind speed in December
Sierra Morena, Cuba

Average wind speed in December: 15km/h

The windiest month (with the highest average wind speed) is March (15.9km/h).
The calmest month (with the lowest average wind speed) is June (12km/h).

Average humidity in December
Sierra Morena, Cuba

Average humidity in December: 80%

The months with the highest relative humidity are October and December (80%).
The months with the lowest relative humidity are March and April (73%).

Average rainfall in December
Sierra Morena, Cuba

Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is May (102mm).
The driest month (with the least rainfall) is March (18mm).

Average rainfall days in December
Sierra Morena, Cuba

Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is February (9.2 days).

Average daylight in December /
Average sunshine in December
Sierra Morena, Cuba

Average daylight in December: 10h and 48min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

Average sunshine in December: 6h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).

Average sunshine days in December
Sierra Morena, Cuba

Average sunshine days in December: 16 days

The month with the most sunshine days is March (17.8 days).
The month with the least sunshine days is August (6.8 days).

Average UV index in December
Sierra Morena, Cuba

Average UV index in December: 6

The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 6).

Average cloud cover in December
Sierra Morena, Cuba

Average cloud cover in December: 34

The months with the most cloud cover are January, October and November (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Sierra Morena, Cuba

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).