December weather forecast
Georgetown, Guyana

The front gate entrance to the colonial building in Georgetown, Guyana
The front gate entrance to the colonial building in Georgetown, Guyana

Weather in December

The first month of the winter, December, is also a moderately hot month in Georgetown, Guyana, with an average temperature fluctuating between 29.1°C (84.4°F) and 23.8°C (74.8°F).

Temperature

In December, the average high-temperature is relatively the same as in November - a moderately hot 29.1°C (84.4°F). In December, in Georgetown, the average low-temperature is 23.8°C (74.8°F).

Rainfall

In Georgetown, it is raining for 18 days, with typically 262mm (10.31") of accumulated precipitation. Throughout the year, in Georgetown, Guyana, there are 174 rainfall days, and 2260mm (88.98") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 27.8°C (82°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

December has the shortest days of the year, with an average of 11h and 44min of daylight.
On the first day of December in Georgetown, sunrise is at 05:48 and sunset at 17:34. On the last day of the month, sunrise is at 06:03 and sunset at 17:47 -04.

Sunshine

In Georgetown, the average sunshine in December is 6h.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 11. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 11 in December interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in December in Georgetown?

In Georgetown, in December, the average high-temperature is 29.1°C (84.4°F), and the average low-temperature is 23.8°C (74.8°F).

How many days does it rain in December in Georgetown?

In Georgetown, in December, it is raining for 18 days, with typically 262mm (10.31") of accumulated precipitation.

What is the water temperature in December in Georgetown?

In December, the average sea temperature in Georgetown is 27.8°C (82°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 Georgetown?

December has the shortest days of the year in Georgetown, with an average of 11h and 44min of daylight.

What is the average length of the day in December in Georgetown?

The average day length in December in Georgetown is 11h and 44min.

When are sunrise and sunset in December in Georgetown?

In December, on the first day of the month, sunrise is at 05:48 and sunset at 17:34. On the last day of the month, in Georgetown, Guyana, sunrise is at 06:03 and sunset at 17:47 -04.

How many hours of sunshine does Georgetown have in December?

The average sunshine duration in December is 6h.

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

November and December, with an average maximum UV index of 11, are months with the lowest UV index in Georgetown.

What is the UV index reading in December in Georgetown?

The average daily maximum UV index in December in Georgetown is 11. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in December
Georgetown, Guyana

Average temperature in December - Georgetown, Guyana
  • Average high temperature in December: 29.1°C

The warmest months (with the highest average high temperature) are September and October (30.8°C).
The month with the lowest average high temperature is January (28.6°C).

  • Average low temperature in December: 23.8°C

The months with the highest average low temperature are April and October (24.4°C).
The coldest month (with the lowest average low temperature) is July (23.5°C).

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Average rainfall in December
Georgetown, Guyana

Average rainfall in December - Georgetown, Guyana
  • Average rainfall in December: 261.9mm

The wettest month (with the highest rainfall) is June (327.7mm).
The driest month (with the least rainfall) is February (88.5mm).

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Average rainfall days in December
Georgetown, Guyana

Average rainfall days in December - Georgetown, Guyana
  • Average rainfall days in December: 18 days

The month with the highest number of rainy days is June (23 days).
The months with the least rainy days are September and October (9 days).

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Average sea temperature in December
Georgetown, Guyana

Average sea temperature in December - Georgetown, Guyana
  • Average sea temperature in December: 27.8°C

The best month for swimming (with the highest average sea temperature) is August (28.9°C).
The coldest month (with the lowest average sea temperature) is February (27.2°C).

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Average daylight in December /
Average sunshine in December
Georgetown, Guyana

Average daylight in December / Average sunshine in December - Georgetown, Guyana
  • Average daylight in December: 11h and 44min

The month with the longest days is June (Average daylight: 12h and 31min).
The month with the shortest days is December (Average daylight: 11h and 44min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is September (Average sunshine: 7h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).

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Average UV index in December
Georgetown, Guyana

Average UV index in December - Georgetown, Guyana
  • Average UV index in December: 11

The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 12).
The months with the lowest UV index are November and December (UV index 11).

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