Colombo weather in December
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Colombo December weather at a glance
In December, Colombo averages 26.4°C, with typical highs of 30.3°C and lows of 23.5°C. The historical average is 20 wet days and 81% humidity.
Colombo December temperature & humidity
Colombo December rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Colombo in December
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 30.3°C
- Morning & eveningLight layer for air-conditioned rooms · average low 23.5°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Colombo December sunrise & sunset times
2026 December · Local time (Asia/Colombo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-12-01 | 06:07 | 17:52 | 11h 45m |
| 2026-12-15 | 06:14 | 17:57 | 11h 44m |
| 2026-12-31 | 06:22 | 18:05 | 11h 44m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Colombo
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
December weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Colombo weather like in December?
In December, Colombo averages 26.4°C, with typical highs of 30.3°C and lows of 23.5°C. The historical average is 20 wet days and 81% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Colombo in December?
There are about 20 wet days in December. Pack a rain jacket and water-resistant shoes.
What should I wear in Colombo in December?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 20 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
What are the best months to visit Colombo?
No months meet the A or B threshold in our temperature-and-precipitation score. Compare the monthly values with your planned activities.
Where can I check Colombo weather in December in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Colombo in December?
On 2026-12-15, calculated sunrise is 06:14 and sunset is 17:57 in local time (Asia/Colombo). Times vary by date and terrain.
Colombo weather by month
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Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations