Best Time to Visit
🇱🇰 Colombo, Sri Lanka · Asia
Based on 30-year climate data (1991-2020) from Open-Meteo
Jan
30°
23°
Great
Feb
31°
23°
Great
Mar
31°
24°
Great
Apr
31°
25°
Great
May
30°
25°
Great
Jun
29°
25°
Great
Jul
28°
25°
Great
Aug
28°
25°
Great
Sep
28°
24°
Great
Oct
29°
24°
Great
Nov
29°
23°
Great
Dec
29°
23°
Great
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| JanuaryRecommended | 30°C | 23°C | 9 | 11h | 82% | 4 | Great | View |
| FebruaryRecommended | 31°C | 23°C | 9 | 11h | 82% | 4 | Great | View |
| MarchRecommended | 31°C | 24°C | 16 | 11h | 82% | 6 | Great | View |
| AprilRecommended | 31°C | 25°C | 26 | 10h | 82% | 6 | Great | View |
| MayRecommended | 30°C | 25°C | 30 | 9h | 82% | 8 | Great | View |
| JuneRecommended | 29°C | 25°C | 29 | 9h | 82% | 8 | Great | View |
| JulyRecommended | 28°C | 25°C | 29 | 10h | 82% | 8 | Great | View |
| AugustRecommended | 28°C | 25°C | 29 | 10h | 82% | 8 | Great | View |
| SeptemberRecommended | 28°C | 24°C | 28 | 9h | 82% | 6 | Great | View |
| OctoberRecommended | 29°C | 24°C | 28 | 9h | 82% | 6 | Great | View |
| NovemberRecommended | 29°C | 23°C | 24 | 8h | 82% | 4 | Great | View |
| DecemberRecommended | 29°C | 23°C | 16 | 9h | 82% | 4 | Great | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Avg: 31°C high, 25°C low
Temperatures peak at 31°C (88°F), making midday heat intense. Rain is frequent, waterproof gear recommended. Nights cool to 25°C (77°F).
Avg: 28°C high, 25°C low
Comfortable warmth at 28°C (82°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 25°C (77°F).
Avg: 29°C high, 24°C low
Comfortable warmth at 29°C (84°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 24°C (75°F).
Avg: 30°C high, 23°C low
Temperatures peak at 30°C (86°F), making midday heat intense. Rain is frequent, waterproof gear recommended. Nights cool to 23°C (73°F).
The least favorable time to visit Colombo is March and April. During this period, you can expect heavy rainfall, high humidity.
March
Challenges: heavy rainfall, high humidity
April
Challenges: heavy rainfall, high humidity
May
Challenges: heavy rainfall, high humidity
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience.
Packing recommendations for visiting Colombo during the best travel months (January, February, July), when temperatures range from 24°C to 30°C:
Colombo has a tropical climate (Koppen classification: Am). The warmest month is April with highs of 31°C, while the coldest month is September at just 28°C. Annual rainfall averages 2587mm across approximately 273 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 30 | 31 | 31 | 31 | 30 | 29 | 28 | 28 | 28 | 29 | 29 | 29 |
| Low °C | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 23 |
| Rain Days | 9 | 9 | 16 | 26 | 30 | 29 | 29 | 29 | 28 | 28 | 24 | 16 |
| Rain mm | 66 | 68 | 96 | 194 | 275 | 288 | 250 | 222 | 251 | 359 | 345 | 173 |
| Sun h/day | 11 | 11 | 11 | 10 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 9 |
| Humidity % | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| UV Index | 4 | 4 | 6 | 6 | 8 | 8 | 8 | 8 | 6 | 6 | 4 | 4 |
Considering alternatives to Colombo? Compare the best travel months for nearby cities:
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
Explore weather guides for other popular destinations: