Verdict: Fair month
Colombo Weather in March
March runs warm in Colombo, with daily highs around 31°C (88°F) and nights near 24°C (75°F). It's also the wet side of the calendar: rain falls on about 18 days, so build flexibility into plans. March is workable in Colombo if your dates are fixed — just plan around the conditions.
Average high
31°C / 88°F
Average low
24°C / 75°F
Rain days
~18
Precipitation
105 mm
What to pack for Colombo in March
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 18 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
March against the rest of the year
Warmest in Colombo: Feb (31°C / 88°F) · Coolest: Sep (28°C / 82°F) · Wettest: May (~30 rain days)
30°
23°
Jan
31°
23°
Feb
31°
24°
Mar
31°
25°
Apr
30°
25°
May
29°
25°
Jun
29°
25°
Jul
29°
25°
Aug
28°
25°
Sep
28°
24°
Oct
29°
23°
Nov
29°
23°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)