December weather forecast
Trafalgar, Dominica

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Weather in December

December in Trafalgar witnesses a further decrease in rainfall, down to the 50mm (1.97") level, marking the official end of the wet season. Meanwhile, temperatures continue to fall, although the average still remains comfortably warm. Average wind speed increases to 25.4km/h (15.8mph), offering a respite from the tropical humidity.

With the closing of the year, the weather in Trafalgar becomes relatively drier and cooler, providing ideal conditions for holiday activities. As with the cycle of seasons, January will again bring slight shifts in the weather profile, keeping Trafalgar's climate dynamic and tropical.

Temperature

The shift to December in Trafalgar, Dominica, signals an average high-temperature of a still moderately hot 27.4°C (81.3°F), subtly varied from November's 28.3°C (82.9°F). Trafalgar reports an average low temperature of 26.6°C (79.9°F) in December, a minor decrease from the day's highs.

Heat index

December's mean heat index is appraised at a tropical 30°C (86°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Trafalgar, in December, during 23.7 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Trafalgar, during the entire year, the rain falls for 261.3 days and collects up to 724mm (28.5") of precipitation.

Daylight

With an average of 11h and 12min of daylight, December has the shortest days of the year in Trafalgar.
On the first day of December, sunrise is at 06:16 and sunset at 17:33. On the last day of the month, sunrise is at 06:31 and sunset at 17:45 AST.

Sunshine

The month with the least sunshine in Trafalgar is December, with an average of 6.5h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Trafalgar are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 7 during December translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are the temperatures in Trafalgar in December?

An average high-temperature, in December, in Trafalgar, is 27.4°C (81.3°F) and the average low-temperature is 26.6°C (79.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in December is appraised at 30°C (86°F).

What is the average humidity in December in Trafalgar?

In December, the average relative humidity in Trafalgar, Dominica, is 75%.

How many days does it rain in December in Trafalgar?

In Trafalgar, during December, the rain falls for 23.7 days and regularly aggregates up to 50mm (1.97") of precipitation.

What is the month with the shortest days in Trafalgar?

With an average of 11h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Trafalgar have in December?

The average day length in December in Trafalgar is 11h and 14min.

When is the sunrise / sunset in December in Trafalgar?

In December, on the first day of the month, sunrise is at 06:16 and sunset at 17:33. On the last day of the month, in Trafalgar, Dominica, sunrise is at 06:31 and sunset at 17:45 AST.

What is the month with the least sunshine in Trafalgar?

December has the least sunshine of the year in Trafalgar, with an average of 6.5h of sunshine.

How long on average sun shines in December in Trafalgar?

The average sunshine duration in December is 6.5h.

When is the highest UV index in Trafalgar?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Trafalgar, Dominica.

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

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Trafalgar, Dominica.

How high is the UV index in December in Trafalgar?

The average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in December
Trafalgar, Dominica

Average temperature in December - Trafalgar, Dominica
  • Average high temperature in December: 27.4°C

The warmest month (with the highest average high temperature) is September (29°C).
The months with the lowest average high temperature are February and March (26.4°C).

  • Average low temperature in December: 26.6°C

The month with the highest average low temperature is October (27.8°C).
The coldest months (with the lowest average low temperature) are February and March (25.3°C).

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Average pressure in December
Trafalgar, Dominica

Average pressure in December - Trafalgar, Dominica
  • Average pressure in December: 1014.1mbar

The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is November (1012mbar).

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Average wind speed in December
Trafalgar, Dominica

Average wind speed in December - Trafalgar, Dominica
  • Average wind speed in December: 25.4km/h

The windiest month (with the highest average wind speed) is January (27.1km/h).
The calmest months (with the lowest average wind speed) are September and October (20.2km/h).

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Average humidity in December
Trafalgar, Dominica

Average humidity in December - Trafalgar, Dominica
  • Average humidity in December: 75%

The months with the highest relative humidity are May, June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).

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Average rainfall in December
Trafalgar, Dominica

Average rainfall in December - Trafalgar, Dominica
  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is October (91mm).
The driest month (with the least rainfall) is February (26mm).

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Average rainfall days in December
Trafalgar, Dominica

Average rainfall days in December - Trafalgar, Dominica
  • Average rainfall days in December: 23.7 days

The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is March (18.1 days).

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Average daylight in December /
Average sunshine in December
Trafalgar, Dominica

Average daylight in December / Average sunshine in December - Trafalgar, Dominica
  • Average daylight in December: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in December
Trafalgar, Dominica

Average sunshine days in December - Trafalgar, Dominica
  • Average sunshine days in December: 2.6 days

The month with the most sunshine days is September (6.1 days).
The months with the least sunshine days are June and July (1.3 days).

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Average UV index in December
Trafalgar, Dominica

Average UV index in December - Trafalgar, Dominica
  • Average UV index in December: 7

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

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Average cloud cover in December
Trafalgar, Dominica

Average cloud cover in December - Trafalgar, Dominica
  • Average cloud cover in December: 40

The months with the most cloud cover are June and July (Cloud cover 45).
The month with the least cloud cover is February (Cloud cover 34).

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Average visibility in December
Trafalgar, Dominica

Average visibility in December - Trafalgar, Dominica
  • 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).

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Trafalgar, Dominica

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