December weather forecast
El Mamey, Dominican Republic

December

Weather in December

December, the first month of the winter in El Mamey, is also a moderately hot month, with an average temperature ranging between min 19.3°C (66.7°F) and max 28.5°C (83.3°F).

Temperature

As El Mamey transitions from November to December, the average high-temperatures adjust to a still warm 28.5°C (83.3°F), nearly the same as the previous 29.5°C (85.1°F). An average low-temperature of 19.3°C (66.7°F) is anticipated throughout the nights during December.

Heat index

The heat index for December is calculated to be a tropical 33°C (91.4°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In December, the average relative humidity is 77%.

Rainfall

In El Mamey, during December, the rain falls for 9.2 days and regularly aggregates up to 16mm (0.63") of precipitation. In El Mamey, during the entire year, the rain falls for 161.3 days and collects up to 455mm (17.91") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 0min of daylight.
On the first day of December, sunrise is at 07:00 and sunset at 18:03. On the last day of the month, sunrise is at 07:16 and sunset at 18:15 AST.

Sunshine

The average sunshine in December is 9.3h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 during December translates into the following directions:
Deflect overexposure. Sun protection is a necessity. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

How hot is it in December?
In December, in El Mamey, the average high-temperature is 28.5°C (83.3°F), and the average low-temperature is 19.3°C (66.7°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in December is calculated to be 33°C (91.4°F).
What is the average humidity in December?
The average relative humidity in December is 77%.
How many days does it rain in December?
In El Mamey, during December, the rain falls for 9.2 days and regularly aggregates up to 16mm (0.63") of precipitation.
What is the month with the shortest days?
With an average of 11h and 0min of daylight, December has the shortest days of the year.
How many hours of daylight does El Mamey have in December?
In El Mamey, the average day length in December is 10h and 59min.
When is the sunrise / sunset in December?
In December, on the first day of the month, sunrise is at 07:00 and sunset at 18:03. On the last day of the month, sunrise is at 07:16 and sunset at 18:15 AST.
How long on average sun shines in December?
In December, the average sunshine duration is 9.3h.
What are the months with the lowest UV index?
January through April, October through December, with an average maximum UV index of 6, are months with the lowest UV index.
How high is the UV index in December?
The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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 - El Mamey, Dominican Republic
Average temperature in December
El Mamey, Dominican Republic
  • Average high temperature in December: 28.5°C

The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (28.4°C).

  • Average low temperature in December: 19.3°C

The months with the highest average low temperature are July and August (22.6°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).

Average pressure in December - El Mamey, Dominican Republic
Average pressure in December
El Mamey, Dominican Republic
  • Average pressure in December: 1016.2mbar

The month with the highest atmospheric pressure is January (1017.2mbar).
The month with the lowest atmospheric pressure is October (1012.9mbar).

Average wind speed in December - El Mamey, Dominican Republic
Average wind speed in December
El Mamey, Dominican Republic
  • Average wind speed in December: 9.5km/h

The windiest month (with the highest average wind speed) is July (11.7km/h).
The calmest month (with the lowest average wind speed) is October (7.5km/h).

Average humidity in December - El Mamey, Dominican Republic
Average humidity in December
El Mamey, Dominican Republic
  • Average humidity in December: 77%

The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are July and August (67%).

Average rainfall in December - El Mamey, Dominican Republic
Average rainfall in December
El Mamey, Dominican Republic
  • Average rainfall in December: 16mm

The wettest month (with the highest rainfall) is May (73mm).
The driest month (with the least rainfall) is February (14mm).

Average rainfall days in December - El Mamey, Dominican Republic
Average rainfall days in December
El Mamey, Dominican Republic
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.8 days).

Average daylight in December / Average sunshine in December - El Mamey, Dominican Republic
Average daylight in December /
Average sunshine in December
El Mamey, Dominican Republic
  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 9h and 2min

The months with the most sunshine are June, July, August and September (Average sunshine: 9h and 36min).
The month with the least sunshine is March (Average sunshine: 8h and 30min).

Average sunshine days in December - El Mamey, Dominican Republic
Average sunshine days in December
El Mamey, Dominican Republic
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is January (19.6 days).
The months with the least sunshine days are September and October (8.7 days).

Average UV index in December - El Mamey, Dominican Republic
Average UV index in December
El Mamey, Dominican Republic
  • Average UV index in December: 6

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

Average cloud cover in December - El Mamey, Dominican Republic
Average cloud cover in December
El Mamey, Dominican Republic
  • Average cloud cover in December: 20

The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in December - El Mamey, Dominican Republic
Average visibility in December
El Mamey, Dominican Republic
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).

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