Sri Lanka climate by month
8-year averages · when to visit
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Colombo |
30° |
31° |
31° |
31° |
30° |
29° |
29° |
28° |
29° |
29° |
29° |
29° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Colombo |
14 |
11 |
18 |
24 |
30 |
29 |
27 |
28 |
28 |
29 |
25 |
20 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Colombo |
29° |
29° |
30° |
31° |
31° |
29° |
29° |
29° |
29° |
29° |
29° |
29° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Colombo climate in August
8-year averages · when to visit
Best months: January–December · August: Good
|
July |
August |
September |
| Average temperature |
→ 27°C |
27°C |
▼ 26°C |
| Typical high |
▼ 29°C |
28°C |
▲ 29°C |
| Typical low |
→ 25°C |
25°C |
→ 25°C |
| Water temperature |
▼ 28.9°C |
28.7°C |
▲ 29.0°C |
| Precipitation |
▲ 233 mm |
247 mm |
▲ 309 mm |
| Wet days |
▲ 27 d |
28 d |
→ 28 d |
| Humidity |
→ 84% |
84% |
→ 84% |
| Sunshine per day |
→ 9.6 h |
9.6 h |
▼ 8.8 h |
| Cloud cover |
→ 23% |
23% |
▲ 28% |
| Midday UV |
▲ 11 |
12 |
→ 12 |
| Daylight |
12:29 |
12:20 |
12:09 |
| Our take |
Good
|
Good
|
Good
|
August temperatures day by day daily mean + smoothed trend · °C
August precipitation day by day mm
August UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
More destinations in Asia
Sri Lanka · 9 weather points · Climate reference: Colombo (6.93°N, 79.86°E) · Asia/Colombo