Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
March verdict
Very good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 8.6h per day, so bright days are a strong part of the month. Rainfall averages 136mm, so some wet days are possible.
Monthly averages
Temp
32°C
Rain
136mm
Sun
8.6h
Sea
29°C
Weather score
71
Very good
Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 136mm, so some wet days are possible.
Bright
Sunshine averages 8.6h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Colombo, Sri Lanka with nearby places by weather score, rain, sun, temperature, and swim conditions.
March32°C average high
March is close to Colombo's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
March136mm average rain
March sits on the drier side of Colombo's year, which helps with sightseeing and transfers.
Driest monthsJanuary to March, July to August, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March8.6 hours average sun
March is one of Colombo's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsFebruary to March
This stretch has the strongest sunshine in the monthly averages.
March29°C average sea
March sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaMarch to May
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
March71 weather score
March scores above Colombo's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.