Colombo Weather in May
In May, Colombo averages a high of 32°C (89°F) and a low of 26°C (79°F), from 16 years of daily records (2010–2026).
32°C
Average high
89°F
26°C
Average low
79°F
34°C
Record high
92°F · May 4, 2016
22°C
Record low
71°F · May 13, 2013
What May Is Like in Colombo
- 9 of the 10 warmest Mays on record in Colombo have come since 2012.
- A typical May brings 29 days above 30°C (86°F).
- The warmest May in the record was 2019; the coldest was 2018.
At least 1 mm of rain falls on 55% of May days, and the month averages 310 mm in total.
Warmest: 2019 (32.1°C)Latest: 2026 (31.6°C)10-year averageLong-run average (31.6°C)
Look Up a Day in May
See the weather in Colombo on any May date, year by year.
Source: NOAA GHCN-Daily, Colombo (1978–2026). Averages cover 2010–2026. How we compute this