Colombo Weather in April
Sri Lanka · Tropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
April in Colombo sees average temperatures ranging from a low of 24.6°C (76.3°F) to a high of 30.9°C (87.6°F), with a mean of 27.5°C (81.5°F). Compared to the annual average of 26.7°C (80.1°F), this month is 0.8°C warmer than the yearly norm. This is the hottest month of the year, reaching 30.9°C (87.6°F) on average. Precipitation averages 156.0mm, making it approximately 93.0mm drier than the monthly average of 249.0mm. The city receives an average of 10.5 hours of sunshine per day during April, with relative humidity averaging 83.5%. Wind speeds reach an average maximum of 14.0 km/h. For travelers, this month offers a hottest month of the year experience in Colombo, with drier-than-average conditions compared to the rest of the year.
Colombo's tropical climate is warm and humid year-round, with two monsoon seasons. I've tracked the rainfall patterns and found that the city receives most of its rain from May to August and October to January. The best time for visiting is January to April, when the weather is drier and the coastal attractions are most enjoyable.
April vs Adjacent Months
| Metric | March | April | May |
|---|---|---|---|
| Mean Temp | 27.3°C (81.1°F) | 27.5°C (81.5°F) | 27.4°C (81.3°F) |
| Rainfall | 105.2mm | 156.0mm | 439.5mm |
| Sunshine | 10.8 hrs | 10.5 hrs | 8.3 hrs |
| Humidity | 80.5% | 83.5% | 85.9% |
| Wind | 15.4 km/h | 14.0 km/h | 19.0 km/h |
| Rainy Days | 25.4 | 28.8 | 30.8 |
Seasonal Context
April falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Colombo in April, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Colombo in April?
The average temperature in Colombo during April ranges from 24.6°C (76.3°F) to 30.9°C (87.6°F), with a mean of 27.5°C (81.5°F).
How much does it rain in Colombo in April?
Colombo receives an average of 156.0mm of precipitation in April, spread across approximately 28.8 rainy days.
What should I pack for Colombo in April?
Based on April weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 156.0mm of precipitation.
Is April a good time to visit Colombo?
April is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Colombo
Cities with Similar April Climate (Tropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 6.93°, 79.85°. Timezone: Asia/Colombo. Last updated: 2026-07-30.