Best Time to Visit Colombo
Colombo is best visited All year, when skies are clearer and temperatures are warm without being extreme.
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Once you know the best time to go, find out exactly what to pack for Colombo at 247PackingList — climate-matched checklists for every destination. For country facts like currency, language and plug type, see our Sri Lanka country guide at 247CountryInfo.
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Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 30.0°C | 22.6°C | 115.3mm | 10.1h | 15 | 9/10 |
| February Best | 31.0°C | 23.1°C | 41.2mm | 11.0h | 9 | 10/10 |
| March Best | 30.8°C | 23.9°C | 111.6mm | 10.6h | 20 | 9/10 |
| April Best | 30.6°C | 24.5°C | 150.7mm | 10.5h | 23 | 9/10 |
| May Best | 29.6°C | 25.4°C | 385.3mm | 8.4h | 30 | 8/10 |
| June Best | 28.9°C | 25.3°C | 294.4mm | 9.5h | 29 | 8/10 |
| July Best | 28.6°C | 25.2°C | 234.1mm | 9.3h | 28 | 8/10 |
| August Best | 28.5°C | 25.1°C | 237.3mm | 9.8h | 28 | 8/10 |
| September Best | 28.3°C | 24.7°C | 348.7mm | 8.3h | 29 | 8/10 |
| October Best | 28.4°C | 24.2°C | 353.7mm | 8.5h | 29 | 8/10 |
| November Best | 28.7°C | 23.3°C | 424.8mm | 7.6h | 23 | 8/10 |
| December Best | 29.3°C | 23.0°C | 215.0mm | 8.6h | 21 | 8/10 |
Colombo Climate
Colombo has a tropical climate — hot and humid year-round with a distinct wet season. Check the annual climate overview for Colombo for the full year picture, or read the dedicated Colombo rainy season guide.
Counting down to your trip? Use our holiday countdown timer at LeftToTime to track the days. Owners often keep a Colombo travel guide to hand for planning on the go. Check clothing sizes in Sri Lanka at 247Sizing before you shop.
Frequently Asked Questions
What is the best month to visit Colombo?
The best month to visit Colombo is January, when temperatures average 30.0°C and conditions score 9/10 for comfort.
What is the weather like in Colombo in January?
Colombo in January is hot — daytime temperatures average 30.0°C, dropping to 22.6°C at night. The month is fairly wet (15 rainy days on average), with roughly 10.1 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal.
When is rainy season in Colombo?
Rainy season in Colombo runs January, March, April, May, June, July, August, September, October, November, December. Expect heavy downpours and high humidity. Full rainy season guide →
Is Colombo good to visit in winter?
Yes — winter (December, January, February) averages 30.0°C highs with a 9/10 comfort rating, making it a solid time to visit.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.