Weather in Colombo in December 2024
Average weather
Average temperature in Colombo in December
Going from a maximum of +31°C during the day to a minimum of +22°C during the night, the temperature in December averages around +29°C.
The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +31°C to +30°C.
Is Colombo warm or cold in December?
Colombo is typically warm in December.
Maximum temperatures go up compared to the previous month from +29°C to +30°C. The minimum temperature also goes down from +24°C to +24°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 Colombo:
Climate in Colombo in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +30°C | +31°C | ||||
| Min. temperature | ||||||
| +21°C | +20°C | +20°C | ||||
| Max. temperature | ||||||
| +34°C | +34°C | +36°C | ||||
| Rainfall | ||||||
| 293 mm | 159 mm | 62 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 83% | 80% | 75% | ||||
| Air pressure | ||||||
| 1009 HPa | 1009 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 1 | 4 | 6 | ||||
| Cloudy days | ||||||
| 9 | 15 | 19 | ||||
| Rainy days | ||||||
| 20 | 12 | 6 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +29°C to +30°C during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 293 mm to 159 mm. It feels drier, as humidity decreases from 83% to 80%. The average wind speed doesn’t change much during December, staying around 2 m/s. The good news is there are likely to be more sunny days in December, from 1 to 4.
But maybe it is worth considering traveling in January as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Colombo is gradually increasing during December, going from 1 m/s to 4 m/s over the course of the month.
Rain
How was the weather last December in Colombo?
Climate Change over Years
The climate in Colombo in December has not changed much over the last 43 years.
The average temperature was the lowest in 2010 (+30°C) and the highest in 2021 (+32°C). The driest year was 1994 with only 23 mm of rainfall, and the wettest year was 1998 with 422 mm.
FAQ
Is December a good time to visit Colombo?
Can you sunbathe in Colombo in December?
Is Colombo rainy in December?
Is it sunny in Colombo in December?
Monthly weather in Colombo
Source of the data
For this page, we’ve looked at the typical weather in Colombo, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
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.