Temperatures in December
It's hot in December in Colombo with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 13°C and 16°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Colombo in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Colombo with hot temperatures, averaging around 30°C during the day and nights close to 15°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-December
By mid-December, the average daytime temperature rises to around 31°C, with nights close to 15°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of December
By the end of December, the average daytime temperature in Colombo will be around 31°C, with nights close to 15°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in December
In December, there is an average of 121 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 40% per day this month. The weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Colombo. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Colombo in December |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 9°C | |
 High Temp |
32°C | 11°C | |
| Low Temp |
28°C | 8°C | |
 Total Precipitation |
121 mm | 67 mm | |
| Rainy Days |
12 days | 10 days | |
November
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit Colombo?
After some sun? Then December isn’t the best time to be in Colombo. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Colombo in December
With 39°C, Colombo hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was 16°C in 2023. The extreme night temperatures ranged from a low of 5°C to a high of 23°C.
Check out the climate of Colombo for all months and discover the best travel time
Curious about the climate in other parts of South Africa? Check out the weather and climate in places like Cape Town, Krugerpark, Johannesburg, or have a look at other destinations in South Africa.
Daily Temperature in December in Colombo
This chart shows the average daily temperatures, both day and night, for each day in December in Colombo, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Colombo
The chart below shows the average daily precipitation in December for Colombo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 12 days of rain in Colombo.
Daily UV Index in December in Colombo
This chart shows the average daily UV index in December in Colombo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Colombo Over the Years
This chart shows the average temperature in December in Colombo, measured in degrees Celsius, over the past years.
Total Precipitation in December in Colombo Over the Years
This chart shows the average precipitation in December in Colombo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Colombo
Click on a specific day in December for detailed info on the typical weather on that day in Colombo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Colombo
Have you been to Colombo in December?
Share your weather experience in December in Colombo.
Average Weather in Colombo by Month
Click on a month below to see detailed weather info for Colombo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
