December weather forecastMariel, Cuba
December
Weather in December
December rings in the end-of-year celebrations with typical dry winter weather in Mariel. The month experiences the lowest minimum temperature of the year, hovering around 20.9°C (69.6°F). With sea temperatures resting at a cooler 25.8°C (78.4°F), the pleasant veil of soft winds encapsulating the town offers the perfect Christmas ambience. Even though less daylight can be expected, Mariel unleashes its charm under clear skies and comfortable temperatures, putting a serene end to the weather cycle.Temperature
The average high-temperature in Mariel for December is a still warm 26°C (78.8°F), closely aligning with the temperature of the preceding month. Throughout December nights, Mariel experiences a consistent temperature average of 20.9°C (69.6°F).Humidity
The months with the highest humidity are October and December, with an average relative humidity of 79%.Rainfall
In December, in Mariel, the rain falls for 6.8 days. Throughout December, 18mm (0.71") of precipitation is accumulated. Throughout the year, in Mariel, there are 144.5 rainfall days, and 485mm (19.09") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 25.8°C (78.4°F).Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.
Daylight
With an average of 10h and 48min of daylight, December has the shortest days of the year in Mariel.On the first day of the month, sunrise is at 06:55 and sunset at 17:44. On the last day of December, sunrise is at 07:11 and sunset at 17:56 CST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 6 suggests this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mariel, Cuba
- Average high temperature in December: 26°C
The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (24.9°C).
- Average low temperature in December: 20.9°C
The month with the highest average low temperature is August (25.9°C).
The coldest month (with the lowest average low temperature) is January (19.6°C).
Average pressure in December
Mariel, Cuba
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is October (1013.1mbar).
Average wind speed in December
Mariel, Cuba
- Average wind speed in December: 13.3km/h
The windiest months (with the highest average wind speed) are January and November (14.2km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).
Average humidity in December
Mariel, Cuba
- Average humidity in December: 79%
The months with the highest relative humidity are October and December (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Mariel, Cuba
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is August (73mm).
The driest month (with the least rainfall) is March (8mm).
Average rainfall days in December
Mariel, Cuba
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is March (5.8 days).
Average sea temperature in December
Mariel, Cuba
- Average sea temperature in December: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (30.2°C).
The coldest month (with the lowest average sea temperature) is January (24.8°C).
Average daylight in December /
Average sunshine in December
Mariel, 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 42min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Mariel, Cuba
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is March (24.7 days).
The month with the least sunshine days is September (9.8 days).
Average UV index in December
Mariel, Cuba
- Average UV index in December: 6
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in December
Mariel, Cuba
- Average cloud cover in December: 27
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is April (Cloud cover 19).
Average visibility in December
Mariel, 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).
