December weather forecast
Bayona, Dominican Republic

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Weather in December

December, the first month of the winter in Bayona, is still a warm month, with an average temperature ranging between max 28.1°C (82.6°F) and min 21°C (69.8°F).

Temperature

In December, the average high-temperature registers at a still warm 28.1°C (82.6°F), nearly identical to November's 29.1°C (84.4°F). December nights observe an average temperature dip to a pleasant 21°C (69.8°F).

Heat index

December's heat index is evaluated at a hot 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The months with the highest humidity in Bayona are September through December, with an average relative humidity of 81%.

Rainfall

In Bayona, in December, during 9.9 rainfall days, 12mm (0.47") of precipitation is typically accumulated. Throughout the year, in Bayona, there are 168.6 rainfall days, and 443mm (17.44") of precipitation is accumulated.

Daylight

The month with the shortest days in Bayona is December, with an average of 11h and 0min of daylight.
On the first day of December in Bayona, sunrise is at 06:56 and sunset at 18:02. On the last day of the month, sunrise is at 07:11 and sunset at 18:14 AST.

Sunshine

The average sunshine in December is 9.3h.

UV index

The months with the lowest UV index are January through April, August, November and 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 average person.
Note: An average UV index of 6 in December transforms into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Resources | Updated: Jan 27, 2024 | Published by: Weather Atlas

Frequently asked questions

How hot is it in Bayona in December?

In Bayona, in December, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 21°C (69.8°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in December is evaluated at 33°C (91.4°F).

What is the most humid month in Bayona?

The months with the highest humidity are September through December, with an average relative humidity of 81%.

What is the average humidity in December in Bayona?

The average relative humidity in December in Bayona, Dominican Republic, is 81%.

How many days does it rain in December in Bayona?

In December, in Bayona, the rain falls for 9.9 days. Throughout December, 12mm (0.47") of precipitation is accumulated.

What is the month with the shortest days in Bayona?

The month with the shortest days in Bayona is December, with an average of 11h and 0min of daylight.

How many hours of daylight does Bayona have in December?

The average day length in December in Bayona, Dominican Republic, is 11h and 2min.

When is the sunrise / sunset in December in Bayona?

In December, on the first day of the month, sunrise is at 06:56 and sunset at 18:02. On the last day of the month, in Bayona, sunrise is at 07:11 and sunset at 18:14 AST.

How many hours of sunshine does Bayona have in December?

In Bayona, the average sunshine duration in December is 9.3h.

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

The months with the lowest UV index in Bayona, Dominican Republic, are January through April, August, November and December, with an average maximum UV index of 6.

What is the UV index intensity in December in Bayona?

The average daily maximum UV index in December in Bayona, Dominican Republic, is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in December
Bayona, Dominican Republic

Average temperature in December - Bayona, Dominican Republic
  • Average high temperature in December: 28.1°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (27.6°C).

  • Average low temperature in December: 21°C

The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (20.2°C).

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Average pressure in December
Bayona, Dominican Republic

Average pressure in December - Bayona, Dominican Republic
  • Average pressure in December: 1015.6mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.6mbar).

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Average wind speed in December
Bayona, Dominican Republic

Average wind speed in December - Bayona, Dominican Republic
  • Average wind speed in December: 11km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).

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Average humidity in December
Bayona, Dominican Republic

Average humidity in December - Bayona, Dominican Republic
  • Average humidity in December: 81%

The months with the highest relative humidity are September, October, November and December (81%).
The month with the lowest relative humidity is March (77%).

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Average rainfall in December
Bayona, Dominican Republic

Average rainfall in December - Bayona, Dominican Republic
  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (9mm).

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Average rainfall days in December
Bayona, Dominican Republic

Average rainfall days in December - Bayona, Dominican Republic
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).

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Average daylight in December /
Average sunshine in December
Bayona, Dominican Republic

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

The month with the longest days is June (Average daylight: 13h and 12min).
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 September and November (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).

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Average sunshine days in December
Bayona, Dominican Republic

Average sunshine days in December - Bayona, Dominican Republic
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is July (10.1 days).

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Average UV index in December
Bayona, Dominican Republic

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

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

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Average cloud cover in December
Bayona, Dominican Republic

Average cloud cover in December - Bayona, Dominican Republic
  • Average cloud cover in December: 27

The month with the most cloud cover is May (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in December
Bayona, Dominican Republic

Average visibility in December - Bayona, Dominican Republic
  • Average visibility in December: 10km

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

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Bayona, Dominican Republic

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