Thermograph

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

Colombo, Western Province, Sri Lanka weather records

Record high and low temperatures for Colombo, Western Province, Sri Lanka, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 36°C on 1995-03-18; its coldest fell to 18°C on 2006-01-25.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
34°C1997-01-15
25°C1984-01-11
25°C2021-01-07
18°C2006-01-25
February
35°C1996-02-18
25°C1984-02-02
26°C2024-02-22
18°C1985-02-23
March
36°C1995-03-18
26°C1986-03-08
27°C1997-03-26
20°C1994-03-02
April
36°C1995-04-11
27°C2011-04-20
28°C2016-04-24
24°C1984-04-18
May
35°C1998-05-07
27°C1994-05-08
28°C2024-05-06
24°C2012-05-04
June
32°C1997-06-04
26°C1985-06-07
27°C2019-06-17
23°C2000-06-09
July
31°C1983-07-03
25°C1993-07-24
27°C1997-07-15
23°C1985-07-19
August
31°C1997-08-26
25°C2022-08-31
26°C2023-08-28
22°C1986-08-13
September
31°C1995-09-23
26°C2020-09-25
26°C2024-09-05
22°C1984-09-14
October
34°C1995-10-27
26°C2012-10-16
26°C2024-10-26
22°C1984-10-19
November
34°C1996-11-15
25°C2025-11-28
26°C2023-11-17
20°C1985-11-25
December
34°C1995-12-21
25°C2010-12-24
26°C2023-12-04
19°C2006-12-31

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
35°C1996-02-18
25°C1984-01-11
26°C2023-12-04
18°C2006-01-25
Spring (Mar–May)
36°C1995-03-18
26°C1986-03-08
28°C2024-05-06
20°C1994-03-02
Summer (Jun–Aug)
32°C1997-06-04
25°C1993-07-24
27°C2019-06-17
22°C1986-08-13
Autumn (Sep–Nov)
34°C1996-11-15
25°C2025-11-28
26°C2024-09-05
20°C1985-11-25

All-time records

The most extreme value Colombo has recorded for each metric across its entire history.

High

Highest 36°C 1995-03-18
Lowest 25°C 1984-01-11

Low

Highest 28°C 2024-05-06
Lowest 18°C 2006-01-25

Feels-like

Highest 50°C 1998-05-07
Lowest 25°C 1984-01-11

Humidity

Highest 25.2 g/m³ 2024-05-07
Lowest 12.8 g/m³ 2001-02-11

Wind

Highest 53 km/h 1991-06-02
Lowest 5 km/h 2014-10-02

Precip

Wettest 120 mm 2025-10-20
Driest 26-day dry spell 1982-02-04

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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