Colombo in Summer — Weather & What to Expect
Summer in Colombo (June, July, August) averages daytime highs of 28.7°C and lows of 25.2°C, with around 765.8mm of rain across the season (85 rainy days in total). It includes some of the best months of the year to visit (June, July, August).
In the northern hemisphere, summer in Colombo covers June, July, August.
Summer in Colombo month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| June | 28.9°C | 25.3°C | 294.4mm | 29 | 8/10 |
| July | 28.6°C | 25.2°C | 234.1mm | 28 | 8/10 |
| August | 28.5°C | 25.1°C | 237.3mm | 28 | 8/10 |
What to pack for Colombo in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Frequently Asked Questions
Is summer a good time to visit Colombo?
Summer in Colombo rates around 8/10 — good time to visit. Average highs are 28.7°C with 765.8mm of rain across the season.
How hot is Colombo in summer?
Daytime highs average 28.7°C (83.7°F) across June, July, August, with nights around 25.2°C.
What months are summer in Colombo?
Colombo is in the northern hemisphere, so summer covers June, July, August.
See also: best time to visit Colombo · Colombo annual climate · Colombo in spring · Colombo in autumn · Colombo in winter
Compare Hertz, Avis, Budget, Sixt and 800+ rental companies — book now, pay at pickup.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youAs an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Once you know what summer in Colombo looks like, find out exactly what to pack for Colombo at 247PackingList. For currency, language and country facts, see the Sri Lanka guide at 247CountryInfo.
Summer in Colombo — what to pack
Lightweight travel clothing
Lightweight, breathable clothing and a compact travel umbrella are essential in this climate.
Check Price →Check clothing sizes in Sri Lanka at 247Sizing before you shop.
More summer travel essentials
Last updated:
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.