Georgetown
Guyana
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Georgetown, Guyana

A view of the front gate entrance to the colonial building in Georgetown, Guyana
A view of the front gate entrance to the colonial building in Georgetown, Guyana
The first month of the winter, December, is still a warm month in Georgetown, Guyana, with temperature in the range of an average high of 29.1°C (84.4°F) and an average low of 23.8°C (74.8°F).

Temperature

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

Rainfall

In December, the rain falls for 18 days. Throughout December, 261.9mm (10.3") of precipitation is accumulated. Throughout the year, in Georgetown, there are 174 rainfall days, and 2260.3mm (89") of precipitation is accumulated.

Sea temperature

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.

Daylight

December has the shortest days of the year in Georgetown, Guyana, with an average of 11.7h of daylight.

Sunshine

The average sunshine in Georgetown is 6h.

UV index

Months with the lowest UV index are November and December, with an average maximum UV index of 11. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation for average individuals.
In December, the average maximum UV index of 11 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in 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. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in December 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 much does it rain in Georgetown in December?

In Georgetown, in December, it is raining for 18 days, with typically 261.9mm (10.3") of accumulated precipitation.

What is the sea water temperature in December in Georgetown?

In December, the average sea temperature is 27.8°C (82°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.

What is the month with the shortest days in Georgetown?

With an average of 11.7h of daylight, December has the shortest days of the year in Georgetown, Guyana.

How many hours of daylight does Georgetown have in December?

In Georgetown, Guyana, the average length of the day in December is 11.7h.

How many hours of sunshine does Georgetown have in December?

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

What is the month 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?

In Georgetown, Guyana, the average daily maximum UV index in December is 11. A UV Index of 11, and more, symbolizes an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Georgetown, Guyana
  • Average high temperature in December: 29.1°C

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

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).

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 lowest rainfall) is February (88.5mm).

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).
Months with the lowest number of rainy days are September and October (9 days).

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).

Average daylight in December / Average sunshine in December - Georgetown, Guyana
  • Average daylight in December: 11.7h

Months with the longest days are June and July (Average daylight: 12.5h).
The month with shortest days is December (Average daylight: 11.7h).

  • Average sunshine in December: 6h

The month with most sunshine is September (Average sunshine: 7.7h).
The month with least sunshine is June (Average sunshine: 5.2h).

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

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