Colombo Weather in March
Sri Lanka · Tropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
March in Colombo sees average temperatures ranging from a low of 24.0°C (75.2°F) to a high of 31.0°C (87.8°F), with a mean of 27.3°C (81.1°F). Compared to the annual average of 26.7°C (80.1°F), this month is 0.6°C warmer than the yearly norm. Precipitation averages 105.2mm, making it approximately 144.0mm drier than the monthly average of 249.0mm. The city receives an average of 10.8 hours of sunshine per day during March, with relative humidity averaging 80.5%. Wind speeds reach an average maximum of 15.4 km/h. For travelers, this month offers a temperature 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.
March vs Adjacent Months
| Metric | February | March | April |
|---|---|---|---|
| Mean Temp | 26.8°C (80.2°F) | 27.3°C (81.1°F) | 27.5°C (81.5°F) |
| Rainfall | 40.7mm | 105.2mm | 156.0mm |
| Sunshine | 11.1 hrs | 10.8 hrs | 10.5 hrs |
| Humidity | 77.3% | 80.5% | 83.5% |
| Wind | 17.3 km/h | 15.4 km/h | 14.0 km/h |
| Rainy Days | 17.0 | 25.4 | 28.8 |
Seasonal Context
March falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Colombo in March, 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 March?
The average temperature in Colombo during March ranges from 24.0°C (75.2°F) to 31.0°C (87.8°F), with a mean of 27.3°C (81.1°F).
How much does it rain in Colombo in March?
Colombo receives an average of 105.2mm of precipitation in March, spread across approximately 25.4 rainy days.
What should I pack for Colombo in March?
Based on March weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 105.2mm of precipitation.
Is March a good time to visit Colombo?
March is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Colombo
Cities with Similar March 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.