Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Colombo, Western Province, Sri Lanka in December

In an average December, Colombo sees a daily high around 29°C and a low around 23°C, based on 1981–2026 of local climate records.

Average high29°C
Typical high range27°C to 30°C
Average low23°C
Typical low range22°C to 24°C
Average daily precipitation5 mm

December records

The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.

High

Highest 34°C 1995-12-21
Lowest 25°C 2010-12-24

Low

Highest 26°C 2023-12-04
Lowest 19°C 2006-12-31

Feels-like

Highest 44°C 1995-12-18
Lowest 25°C 2010-12-24

Humidity

Highest 23.9 g/m³ 2023-12-28
Lowest 14.9 g/m³ 1995-12-15

Wind

Highest 41 km/h 2008-12-07
Lowest 6 km/h 1987-12-09

Precip

Wettest 383 mm 2014
Driest 16 mm 1995

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