December weather forecast
Georgetown, Saint Vincent and the Grenadines

Weather in December

The first month of the winter, December, is also a moderately hot month in Georgetown, Saint Vincent and the Grenadines, with an average temperature fluctuating between 27.4°C (81.3°F) and 26.4°C (79.5°F).

Temperature

In Georgetown, the average high-temperature in December is essentially the same as in November - a still warm 27.4°C (81.3°F). In Georgetown, the average low-temperature is 26.4°C (79.5°F).

Heat index

In December, the average heat index is appraised at a hot 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, wind, differences in body mass, height, and shape), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Georgetown, in December, during 14.9 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 164.4 rainfall days, and 289mm (11.38") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Georgetown, Saint Vincent and the Grenadines, with an average of 11h and 22min of daylight.
On the first day of the month, sunrise is at 06:11 and sunset at 17:35. On the last day of December, in Georgetown, sunrise is at 06:26 and sunset at 17:48 AST.

Sunshine

With an average of 6.6h of sunshine, December has the least sunshine of the year.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Georgetown. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in December transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in December in Georgetown?

The average high-temperature, in December, in Georgetown, Saint Vincent and the Grenadines, is 27.4°C (81.3°F), while the average low-temperature is 26.4°C (79.5°F). in December, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is appraised at 30°C (86°F).

What is the average humidity in December in Georgetown?

In December, the average relative humidity is 76%.

How much does it rain in Georgetown in December?

In December, in Georgetown, the rain falls for 14.9 days. Throughout December, 23mm (0.91") of precipitation is accumulated.

What is the month with the shortest days in Georgetown?

The month with the shortest days in Georgetown, Saint Vincent and the Grenadines, is December, with an average of 11h and 22min of daylight.

How many hours of daylight does Georgetown have in December?

The average day length in December in Georgetown, Saint Vincent and the Grenadines, is 11h and 22min.

When is the sunrise / sunset in December in Georgetown?

On the first day of December, sunrise is at 06:11 and sunset at 17:35. On the last day of the month, sunrise is at 06:26 and sunset at 17:48 AST.

What is the month with the least sunshine in Georgetown?

With an average of 6.6h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Georgetown?

The average sunshine duration in December in Georgetown is 6.6h.

What are the months with the highest UV index in Georgetown?

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

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

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

What is the UV index reading in December in Georgetown?

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

Average temperature in December
Georgetown, Saint Vincent and the Grenadines

Average temperature in December - Georgetown, Saint Vincent and the Grenadines
  • Average high temperature in December: 27.4°C

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).

  • Average low temperature in December: 26.4°C

The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).

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Average pressure in December
Georgetown, Saint Vincent and the Grenadines

Average pressure in December - Georgetown, Saint Vincent and the Grenadines
  • Average pressure in December: 1013mbar

The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

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Average wind speed in December
Georgetown, Saint Vincent and the Grenadines

Average wind speed in December - Georgetown, Saint Vincent and the Grenadines
  • Average wind speed in December: 26.6km/h

The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).

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Average humidity in December
Georgetown, Saint Vincent and the Grenadines

Average humidity in December - Georgetown, Saint Vincent and the Grenadines
  • Average humidity in December: 76%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

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Average rainfall in December
Georgetown, Saint Vincent and the Grenadines

Average rainfall in December - Georgetown, Saint Vincent and the Grenadines
  • Average rainfall in December: 23mm

The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).

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Average rainfall days in December
Georgetown, Saint Vincent and the Grenadines

Average rainfall days in December - Georgetown, Saint Vincent and the Grenadines
  • Average rainfall days in December: 14.9 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).

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Average daylight in December /
Average sunshine in December
Georgetown, Saint Vincent and the Grenadines

Average daylight in December / Average sunshine in December - Georgetown, Saint Vincent and the Grenadines
  • Average daylight in December: 11h and 22min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 22min).

  • Average sunshine in December: 6h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in December
Georgetown, Saint Vincent and the Grenadines

Average sunshine days in December - Georgetown, Saint Vincent and the Grenadines
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).

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Average UV index in December
Georgetown, Saint Vincent and the Grenadines

Average UV index in December - Georgetown, Saint Vincent and the Grenadines
  • 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
Georgetown, Saint Vincent and the Grenadines

Average cloud cover in December - Georgetown, Saint Vincent and the Grenadines
  • Average cloud cover in December: 40

The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).

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Average visibility in December
Georgetown, Saint Vincent and the Grenadines

Average visibility in December - Georgetown, Saint Vincent and the Grenadines
  • 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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