Sri Lanka climate by month
8-year averages · when to visit
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Colombo |
86° |
88° |
88° |
88° |
86° |
84° |
84° |
82° |
84° |
84° |
84° |
84° |
| 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 |
84° |
85° |
86° |
88° |
87° |
84° |
84° |
84° |
84° |
84° |
85° |
84° |
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 May
8-year averages · when to visit
Best months: January–December · May: Good
|
April |
May |
June |
| Average temperature |
→ 81°F |
81°F |
→ 81°F |
| Typical high |
▼ 88°F |
86°F |
▼ 84°F |
| Typical low |
→ 77°F |
77°F |
→ 77°F |
| Water temperature |
▼ 88°F |
87°F |
▼ 84°F |
| Precipitation |
▲ 6.1 in |
15.2 in |
▼ 12.5 in |
| Wet days |
▲ 24 d |
30 d |
▼ 29 d |
| Humidity |
▲ 83% |
85% |
→ 85% |
| Sunshine per day |
▼ 10.1 h |
8.4 h |
▲ 9.5 h |
| Cloud cover |
▲ 18% |
32% |
▼ 24% |
| Midday UV |
→ 12 |
12 |
▼ 11 |
| Daylight |
12:17 |
12:26 |
12:31 |
| Our take |
Good
|
Good
|
Good
|
May temperatures day by day daily mean + smoothed trend · °F
May precipitation day by day in
May 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