Hot in Mar
32°C average high
avg high · 23° at night
25°C+ on almost every day
Sri Lanka
Sri Lanka (Colombo) weather in March
Is it warm? Yes. March in Sri Lanka (Colombo) is hot: afternoons average 31°C and nights 24°C. Most days (80%) peak between 30°C and 33°C.
Hot · average high
31°C
25°C or more on almost every day.
- Average low24°overnight
- Sea30°average, 2023–2025
- Rainy days12113 mm in the month
- SkyOften cloudy57% cloud · 17% clear days
How warm it really gets
Every March afternoon from 2011–2025: 465 days. Most (80%) peaked between 30° and 33°.
March, year by year
The average March high in each year. The warmest, 2016, averaged 33°C; the coolest, 2017, 30°C.
Compared with home
Average March highs. Expect rain on about 12 days (113 mm in a typical month).
- Sri Lanka (Colombo)31°
- London11°
- Cork10°
- Dublin10°
- Manchester10°
- Belfast9°
- Glasgow9°
Warmer in March, not much further
Flying times are estimates from Dublin; Sri Lanka (Colombo) is about 11h 45m.
Very hot in Mar
33°C average high
avg high · 25° at night
25°C+ on almost every day
Very hot in Mar
35°C average high
avg high · 25° at night
25°C+ on almost every day · often 35°C+
Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology