Colombo Weather in January
In January, Colombo averages a high of 24°C (75°F) and a low of 14°C (58°F), based on 51 years of historical weather data from COLOMBO.
24°C
Average high
75°F
14°C
Average low
58°F
36°C
Record high
96°F · 2020
0°C
Record low
32°F · 2025
What to Expect in Colombo in January
Typical January days in Colombo reach 24°C (75°F) during the afternoon and cool to around 14°C (58°F) overnight. On average, measurable rain falls on about 26% of days this month. Over the past 51 years, January temperatures in Colombo have ranged from a record high of 36°C (2020) down to a record low of 0°C (2025).
For a day-by-day look or other months, see the full Colombo weather history.