Saint George's
Grenada
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Saint George's, Grenada

A large ship on the clear calm waters of the Saint George
A large ship on the clear calm waters of the Saint George's harbor in Grenada, with a view of the buildings of the coastal city
The first month of the winter, December, is still a warm month in Saint George's, Grenada, with average temperature varying between 28.8°C (83.8°F) and 24.4°C (75.9°F).

Temperature

In December, the average high-temperature remains equal as in November - a still warm 28.8°C (83.8°F). The average low-temperature, in Saint George's, is 24.4°C (75.9°F).

Rainfall

In Saint George's, during December, the rain falls for 18 days and regularly aggregates up to 54.6mm (2.1") of precipitation. Throughout the year, in Saint George's, there are 180 rainfall days, and 1450.8mm (57.1") of precipitation is accumulated.

Sea temperature

In Saint George's, the average seawater temperature is 27.9°C (82.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

December has the shortest days of the year in Saint George's, with an average of 11.4h of daylight.

Sunshine

Months with the least sunshine are June, July, September through December, with an average of 7h of sunshine.

UV index

The month with the lowest UV index in Saint George's is December, with an average maximum UV index of 9. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
In December, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in December in Saint George's?

In December, in Saint George's, Grenada, the average high-temperature is 28.8°C (83.8°F), and the average low-temperature is 24.4°C (75.9°F).

How much does it rain in Saint George's in December?

In Saint George's, Grenada, in December, it is raining for 18 days, with typically 54.6mm (2.1") of accumulated precipitation.

How warm is the water in December in Saint George's?

In Saint George's, the average seawater temperature in December is 27.9°C (82.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Saint George's?

The month with the shortest days is December, with an average of 11.4h of daylight.

What is the average length of the day in December in Saint George's?

The average length of the day in December in Saint George's is 11.4h.

What is the month with the least sunshine in Saint George's?

Months with the least sunshine are June, July, September through December, with an average of 7h of sunshine.

How long on average sun shines in December in Saint George's?

In Saint George's, the average sunshine in December is 7h.

What is the month with the lowest UV index in Saint George's?

December is the month with the lowest UV index in Saint George's, with an average maximum UV index of 9.

How high is the UV index in December in Saint George's?

The average daily maximum UV index in December in Saint George's is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV rays.
Average temperature in December - Saint George
  • Average high temperature in December: 28.8°C

Warmest months (with the highest average high temperature) are April, May and September (30°C).
The month with the lowest average high temperature is January (28.3°C).

  • Average low temperature in December: 24.4°C

The month with the highest average low temperature is May (26.6°C).
Coldest months (with the lowest average low temperature) are January and February (23.8°C).

Average rainfall in December - Saint George
  • Average rainfall in December: 54.6mm

The wettest month (with the highest rainfall) is August (293.1mm).
The driest month (with the lowest rainfall) is April (16.3mm).

Average rainfall days in December - Saint George
  • Average rainfall days in December: 18 days

Months with the highest number of rainy days are July and November (20 days).
The month with the lowest number of rainy days is April (7 days).

Average sea temperature in December - Saint George
  • Average sea temperature in December: 27.9°C

The best month for swimming (with the highest average sea temperature) is September (29.6°C).
The coldest month (with the lowest average sea temperature) is March (27.2°C).

Average daylight in December / Average sunshine in December - Saint George
  • Average daylight in December: 11.4h

Months with the longest days are June and July (Average daylight: 12.8h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in December: 7h

Months with most sunshine are January, February, March, April, May and August (Average sunshine: 8h).
Months with least sunshine are June, July, September, October, November and December (Average sunshine: 7).

Average UV index in December - Saint George
  • Average UV index in December: 9

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).