Weather in Georgetown in December 2025
Average weather
Average temperature in Georgetown in December
The expected average maximum temperature in December is +29°C with a maximum of +31°C and a minimum of +21°C.
The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +29°C to +27°C.
Is Georgetown warm or cold in December?
Georgetown is typically warm in December.
Maximum temperatures go down compared to the previous month from +28°C to +27°C. The minimum temperature also goes down from +26°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how December is compared to other months in Georgetown:
Climate in Georgetown in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +27°C | +26°C | ||||
| Min. temperature | ||||||
| +22°C | +20°C | +19°C | ||||
| Max. temperature | ||||||
| +33°C | +31°C | +31°C | ||||
| Rainfall | ||||||
| 135 mm | 54 mm | 37 mm | ||||
| Wind | ||||||
| 5 m/s | 5 m/s | 5 m/s | ||||
| Humidity | ||||||
| 79% | 78% | 78% | ||||
| Air pressure | ||||||
| 1012 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 3 | 5 | 7 | ||||
| Cloudy days | ||||||
| 4 | 5 | 6 | ||||
| Rainy days | ||||||
| 22 | 21 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +28°C in the day, the average maximum temperature lowers to +27°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 135 mm to 54 mm. It feels drier, as humidity decreases from 79% to 78%. The average wind speed doesn’t change much during December, staying around 5 m/s. The good news is there are likely to be more sunny days in December, from 3 to 5.
But maybe it is worth considering traveling in January as the weather gets better.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Georgetown is gradually increasing during December, going from 2 m/s to 4 m/s over the course of the month.
Rain
How was the weather last December in Georgetown?
Climate Change over Years
The climate in Georgetown in December has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+27°C) and the highest in 2019 (+31°C). The driest year was 1985 with only 623 mm of rainfall, and the wettest year was 2024 with 2399 mm.
FAQ
Is December a good time to visit Georgetown?
Can you sunbathe in Georgetown in December?
Is Georgetown rainy in December?
Is it sunny in Georgetown in December?
Monthly weather in Georgetown
Source of the data
For this page, we’ve looked at the typical weather in Georgetown, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
