Georgetown Weather in December
December in Georgetown sees daytime temperatures around 29°C (84°F) and lows of 25°C (77°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Georgetown in December
As part of the rainy season, Georgetown sees around 24 days of rain in December, with an average of 230 mm (9.1 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Georgetown in December
In December, expect high temperatures in Georgetown, with highs of 29°C (84°F) and lows of 25°C (77°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Georgetown in December
With approximately 190 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.
Wind Speed in Georgetown in December
Average wind conditions reach 2 m/s (4 knots) in December. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.
Average water temperature in December
The water is 27°C (81°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March and April typically offer the best weather for Georgetown.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guyana, check out our Georgetown's climate page.
Georgetown Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Water Temperature
27°C (81°F)
Chance of Rain
81%
Precipitation
230 mm (9.1 in)
Rainy days
24 days
Humidity
82%
Windspeed
2 m/s (4 knots)
Sunshine
190 hours
Percentage Sunshine
Daily Historical Temperatures
31-year average (1993-2025)
Based on our historical records, temperatures in Georgetown typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Historical weather for Georgetown in December
Browse day-by-day weather records for Georgetown spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Georgetown historical weather extremes in December
Based on weather observations in Georgetown between 1996 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 9, 2012, with a maximum of 34°C (93°F).
- Georgetown experienced its chilliest December day on December 23, 2016, reaching only 25°C (77°F).
- Georgetown registered its coldest December night on December 24, 2022, with temperatures dropping to 20°C (68°F).
Best Places in Guyana in December
Find out more about the weather in Guyana and which places have the best travel conditions in this month. See all of Guyana in December →
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What to Wear in Georgetown in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Georgetown in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guyana, check out our Georgetown's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Georgetown climate overview or explore weather in Guyana.
