Colombo weather in December
Colombo in December averages 27°C (81°F), 176 mm of rain and 6.3 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Colombo, December is the coldest and the sixth driest.
- Average temp
- 27°C (81°F)
23–31°C · 74–87°F
- Rainfall
- 176 mm
A wet month
- Sunshine
- 6.3 h
hours per day
What is Colombo like in December?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings stay warm.
What should I pack for Colombo in December?
High-factor sun cream
With daytime highs around 31°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A proper waterproof, not a folding umbrella
176 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
December compared with November and January
December in Colombo is about the same temperature as November and 167 mm drier than it, which averages 27°C (81°F).
December in Colombo is about the same temperature as January and 93 mm wetter than it, which averages 27°C (81°F).
Daylight in Colombo in December
On 15 December the sun is up for 11 hours 44 minutes in Colombo, rising about 06:14 and setting about 17:57 local time.
No month in Colombo has less daylight than December.
Where to stay in Colombo
Dates are a starting point for December.
Travel guides for Colombo
What to read before you book.
Colombo weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 27°C / 81°F | 83 mm |
| February | 28°C / 82°F | 76 mm |
| March | 28°C / 83°F | 103 mm |
| April | 29°C / 83°F | 251 mm |
| May | 29°C / 84°F | 314 mm |
| June | 28°C / 83°F | 202 mm |
| July | 28°C / 82°F | 128 mm |
| August | 28°C / 82°F | 122 mm |
| September | 28°C / 82°F | 270 mm |
| October | 28°C / 82°F | 349 mm |
| November | 27°C / 81°F | 343 mm |
| December | 27°C / 81°F | 176 mm |
Check another month
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FAQs about Colombo in December
December climate averages for Colombo, 1991–2020.
Colombo averages 27°C (81°F) in December, ranging from about 23°C (74°F) at night to 31°C (87°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. December brings about 176 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
They are about the same. December averages 27°C (81°F) and January 27°C (81°F), so temperature alone will not decide between them.
December is about as warm as November, and 167 mm drier.
Yes. December falls inside the most comfortable stretch of the year here, December to March, on temperature and rainfall together.
About 6.3 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 11 hours 44 minutes of daylight in mid-December, the least of any month in Colombo.
On 15 December, sunrise is about 06:14 and sunset about 17:57 local time. Both shift across the month.
