Sri Lanka weather
Loading live data…Latest for Sri Lanka: European (ECMWF): 29° Light drizzle · American (NOAA GFS): 28° Partly cloudy · German (DWD ICON): 30° Overcast.
The weather map: all three models at once
European, American, German side by side around Sri Lanka and nearby towns.Live rain radar →Hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
10-day forecast, out to 14 days
where the models agree, and where they splitHeading to Sri Lanka? Sri Lanka, Sri Lanka, sits at 6.9°N in a tropical climate zone. The averages on this page are measured at Colombo, the main gateway for AU travellers; inland and mountain areas run cooler. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Sri Lanka right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a beach trip the rain and wind columns below matter most - that is what makes or breaks a day by the sea.
Where to go in Sri Lanka
We cover one destination in Sri Lanka, each with its own live three-model comparison and long-run averages. The table shows the typical daytime high in January and July and the wettest month, so you can see how much the coast, the cities and the islands differ before you pick dates.
Best time to visit Sri Lanka
The most comfortable time to visit Sri Lanka is usually January, February, March and April, when daytime highs sit in the pleasant 24-33°C range and the heaviest October rain is behind you.
Sri Lanka weather by month
what to expect in Sri Lanka through the year, 1991-2020 normals, Colombo (WMO)Here is Sri Lanka's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Sri Lanka by season.
Sri Lanka compared with Sydney
30-year averages: daytime highs month by month, rain and sunlightWarmer through the year
average daytime high: Sri Lanka 31°C, Sydney 23°C
Rain over a year
Sri Lanka 2,397 mm, Sydney 1,148 mm
Sunlight vs a clear sky
solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)
On 30-year averages Sri Lanka runs 8°C warmer than Sydney, with every month between +4°C and +13°C. Over a year it gets 109% more rain than Sydney.
Month by month in numbers
| Month | Sri Lanka | Sydney | Difference | Sunlight, Sri Lanka | Sunlight, Sydney |
|---|---|---|---|---|---|
| January | 31°C | 27°C | +4°C | 89% | 75% |
| February | 32°C | 28°C | +4°C | 91% | 73% |
| March | 32°C | 26°C | +6°C | 91% | 75% |
| April | 32°C | 24°C | +8°C | 86% | 77% |
| May | 32°C | 22°C | +10°C | 78% | 79% |
| June | 31°C | 18°C | +13°C | 81% | 74% |
| July | 30°C | 18°C | +12°C | 82% | 80% |
| August | 30°C | 20°C | +10°C | 82% | 82% |
| September | 30°C | 22°C | +8°C | 80% | 82% |
| October | 30°C | 24°C | +6°C | 81% | 77% |
| November | 31°C | 25°C | +6°C | 79% | 74% |
| December | 31°C | 27°C | +4°C | 83% | 74% |
Daytime highs and lows on this page are 1991-2020 averages. Sri Lanka: station normals from Colombo (WMO), rain included. Sydney: station normals from Sydney Observatory Hill (WMO), rain included. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. Sydney stands in for Australia here; other cities have their own climate tables.