Colombo Weather Records (CEM00043466)

Record envelope, standing records and threshold days for Colombo (CEM00043466), Sri Lanka, with 71 years of record.

Key Facts for Colombo

Colombo (CEM00043466) is a weather station in Sri Lanka at 6.90 latitude and 79.87 longitude, 7 m (23 ft) above sea level.
The station reports from 1956 to 2026, 71 years of record.
1,464 records set at Colombo still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Sri Lanka, 6.90 latitude, 79.87 longitude.
Elevation: 7 m (23 ft).
Period of record: 1956 to 2026, 71 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

11 days at or beyond a record

The band shows the record high and record low for each calendar day at Colombo. The lines show the 2026 daily maximum and minimum. 11 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Colombo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.1 C (95.2 F)	18.8 C (65.8 F)	32.2 C (90.0 F)	23.0 C (73.4 F)
Feb	36.0 C (96.8 F)	19.0 C (66.2 F)	34.2 C (93.6 F)	23.2 C (73.8 F)
Mar	36.1 C (97.0 F)	21.5 C (70.7 F)	32.2 C (90.0 F)	23.2 C (73.8 F)
Apr	36.1 C (97.0 F)	21.0 C (69.8 F)	32.2 C (90.0 F)	23.8 C (74.8 F)
May	33.6 C (92.5 F)	21.8 C (71.2 F)	32.1 C (89.8 F)	24.0 C (75.2 F)
Jun	32.6 C (90.7 F)	22.0 C (71.6 F)	31.2 C (88.2 F)	23.7 C (74.7 F)
Jul	32.7 C (90.9 F)	22.3 C (72.1 F)	31.6 C (88.9 F)	23.5 C (74.3 F)
Aug	35.5 C (95.9 F)	20.0 C (68.0 F)	30.7 C (87.3 F)	24.5 C (76.1 F)
Sep	32.0 C (89.6 F)	17.8 C (64.0 F)	32.0 C (89.6 F)	24.7 C (76.5 F)
Oct	32.5 C (90.5 F)	22.0 C (71.6 F)	31.7 C (89.1 F)	22.7 C (72.9 F)
Nov	34.2 C (93.6 F)	21.2 C (70.2 F)	31.2 C (88.2 F)	21.2 C (70.2 F)
Dec	34.1 C (93.4 F)	18.2 C (64.8 F)	30.7 C (87.3 F)	22.8 C (73.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Colombo still stand. 2025 holds the most, with 128.

Standing records at Colombo by the year they were set
Year set	Standing records
1956	1
1957	89
1958	120
1978	15
1979	29
1980	31
1981	25
1982	3
1984	1
1985	3
1986	2
1988	1
1989	1
1991	1
1992	12
1993	9
1994	18
1995	2
2007	8
2008	18
2009	16
2010	54
2011	61
2012	53
2013	53
2014	64
2015	73
2016	95
2017	54
2018	34
2019	64
2020	104
2021	42
2022	49
2023	72
2024	59
2025	128

Wettest Day of Each Month

Nov: 443.0 mm (17.4 in)

The wettest day on record for each calendar month at Colombo. The most was 443.0 mm (17.4 in) on 11 November 2010.

Record daily precipitation for each month at Colombo
Month	Record daily precipitation (mm)	Date
Jan	112.3 mm (4.4 in)	3 January 2020
Feb	70.6 mm (2.8 in)	5 February 2019
Mar	69.1 mm (2.7 in)	4 March 1991
Apr	137.4 mm (5.4 in)	22 April 2009
May	219.2 mm (8.6 in)	16 May 2016
Jun	276.1 mm (10.9 in)	2 June 1993
Jul	98.0 mm (3.9 in)	26 July 2021
Aug	108.0 mm (4.3 in)	13 August 1991
Sep	150.9 mm (5.9 in)	9 September 2020
Oct	180.1 mm (7.1 in)	6 October 1958
Nov	443.0 mm (17.4 in)	11 November 2010
Dec	118.1 mm (4.6 in)	25 December 1957

Period of Record Coverage

1956 to 2025

36 years of record at Colombo, 1956 to 2025. 24 years have data for under 90 percent of days and are left out of rankings: 1956, 1957, 1978, 1979, 1980, 1981, 1982, 1983 and others.

Days with data per year at Colombo
Year	Days with data	Share of year	Complete
1956	1	0%	No
1957	184	50%	No
1958	363	99%	Yes
1978	45	12%	No
1979	79	22%	No
1980	84	23%	No
1981	60	16%	No
1982	3	1%	No
1983	1	0%	No
1984	1	0%	No
1985	7	2%	No
1986	1	0%	No
1989	2	1%	No
1992	26	7%	No
1993	43	12%	No
1994	89	24%	No
1995	25	7%	No
2007	56	15%	No
2008	121	33%	No
2009	289	79%	No
2010	334	92%	Yes
2011	349	96%	Yes
2012	363	99%	Yes
2013	355	97%	Yes
2014	359	98%	Yes
2015	354	97%	Yes
2016	330	90%	Yes
2017	321	88%	No
2018	274	75%	No
2019	267	73%	No
2020	332	91%	Yes
2021	333	91%	Yes
2022	279	76%	No
2023	343	94%	Yes
2024	142	39%	No
2025	352	96%	Yes

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1956 to 2026

Yearly extremes at Colombo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1958	33.8 C (92.8 F)	37
Coldest night (TNn)	17.8 C (64.0 F)	1958	21.0 C (69.8 F)	40
Wettest day (Rx1day)	443.0 mm (17.4 in)	2010	98.2 mm (3.9 in)	36
Wettest five days (Rx5day)	460.0 mm (18.1 in)	2010	201.9 mm (7.9 in)	24
Longest dry spell (CDD)	57 days	2020	9 days	34

Hottest day (TXx)

The hottest day of the year at Colombo, 1956 to 2026. The record is 36.1 C (97.0 F) in 1958, marked on the chart; the median year is 33.8 C (92.8 F).

Hottest day (TXx) at Colombo by year
Year	Hottest day (TXx)
1956	28.9 C (84.0 F)
1957	32.8 C (91.0 F)
1958	36.1 C (97.0 F)
1978	33.0 C (91.4 F)
1979	33.0 C (91.4 F)
1980	36.0 C (96.8 F)
1981	34.0 C (93.2 F)
1982	30.6 C (87.1 F)
1983	33.0 C (91.4 F)
1984	32.0 C (89.6 F)
1985	32.7 C (90.9 F)
1986	31.4 C (88.5 F)
1988	n/a
1989	32.9 C (91.2 F)
1990	n/a
1991	n/a
1992	33.7 C (92.7 F)
1993	34.9 C (94.8 F)
1994	33.3 C (91.9 F)
1995	34.3 C (93.7 F)
1996	n/a
1998	n/a
2007	32.9 C (91.2 F)
2008	35.5 C (95.9 F)
2009	33.6 C (92.5 F)
2010	35.0 C (95.0 F)
2011	36.1 C (97.0 F)
2012	33.8 C (92.8 F)
2013	34.6 C (94.3 F)
2014	35.3 C (95.5 F)
2015	34.1 C (93.4 F)
2016	35.8 C (96.4 F)
2017	33.8 C (92.8 F)
2018	34.4 C (93.9 F)
2019	34.8 C (94.6 F)
2020	35.9 C (96.6 F)
2021	33.6 C (92.5 F)
2022	34.5 C (94.1 F)
2023	33.7 C (92.7 F)
2024	33.0 C (91.4 F)
2025	34.2 C (93.6 F)
2026	34.1 C (93.4 F)

Coldest night (TNn)

The coldest night of the year at Colombo, 1956 to 2026. The record is 17.8 C (64.0 F) in 1958, marked on the chart; the median year is 21.0 C (69.8 F).

Coldest night (TNn) at Colombo by year
Year	Coldest night (TNn)
1956	n/a
1957	20.0 C (68.0 F)
1958	17.8 C (64.0 F)
1978	21.0 C (69.8 F)
1979	20.0 C (68.0 F)
1980	19.0 C (66.2 F)
1981	19.0 C (66.2 F)
1982	19.6 C (67.3 F)
1983	19.9 C (67.8 F)
1984	23.3 C (73.9 F)
1985	20.6 C (69.1 F)
1986	21.0 C (69.8 F)
1988	21.3 C (70.3 F)
1989	20.4 C (68.7 F)
1990	21.5 C (70.7 F)
1991	21.3 C (70.3 F)
1992	19.4 C (66.9 F)
1993	19.4 C (66.9 F)
1994	21.0 C (69.8 F)
1995	21.6 C (70.9 F)
1996	24.1 C (75.4 F)
1998	25.2 C (77.4 F)
2007	n/a
2008	23.9 C (75.0 F)
2009	22.3 C (72.1 F)
2010	21.0 C (69.8 F)
2011	18.2 C (64.8 F)
2012	21.6 C (70.9 F)
2013	20.7 C (69.3 F)
2014	20.5 C (68.9 F)
2015	20.9 C (69.6 F)
2016	19.9 C (67.8 F)
2017	19.8 C (67.6 F)
2018	20.5 C (68.9 F)
2019	22.2 C (72.0 F)
2020	21.5 C (70.7 F)
2021	21.5 C (70.7 F)
2022	19.8 C (67.6 F)
2023	21.4 C (70.5 F)
2024	22.7 C (72.9 F)
2025	21.2 C (70.2 F)
2026	21.6 C (70.9 F)

Wettest day (Rx1day)

The wettest day of the year at Colombo, 1956 to 2026. The record is 443.0 mm (17.4 in) in 2010, marked on the chart; the median year is 98.2 mm (3.9 in).

Wettest day (Rx1day) at Colombo by year
Year	Wettest day (Rx1day)
1956	n/a
1957	118.1 mm (4.6 in)
1958	180.1 mm (7.1 in)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	51.1 mm (2.0 in)
1983	57.9 mm (2.3 in)
1984	7.1 mm (0.28 in)
1985	87.1 mm (3.4 in)
1986	2.0 mm (0.08 in)
1988	29.0 mm (1.1 in)
1989	61.0 mm (2.4 in)
1990	14.0 mm (0.6 in)
1991	108.0 mm (4.3 in)
1992	67.1 mm (2.6 in)
1993	276.1 mm (10.9 in)
1994	46.0 mm (1.8 in)
1995	126.0 mm (5.0 in)
1996	16.0 mm (0.6 in)
1998	3.0 mm (0.12 in)
2007	60.2 mm (2.4 in)
2008	83.3 mm (3.3 in)
2009	218.7 mm (8.6 in)
2010	443.0 mm (17.4 in)
2011	70.1 mm (2.8 in)
2012	101.1 mm (4.0 in)
2013	134.4 mm (5.3 in)
2014	102.9 mm (4.1 in)
2015	130.0 mm (5.1 in)
2016	219.2 mm (8.6 in)
2017	95.3 mm (3.8 in)
2018	126.0 mm (5.0 in)
2019	126.0 mm (5.0 in)
2020	150.9 mm (5.9 in)
2021	135.4 mm (5.3 in)
2022	125.0 mm (4.9 in)
2023	112.3 mm (4.4 in)
2024	58.7 mm (2.3 in)
2025	n/a
2026	70.6 mm (2.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Colombo, 1956 to 2026. The record is 460.0 mm (18.1 in) in 2010, marked on the chart; the median year is 201.9 mm (7.9 in).

Wettest five days (Rx5day) at Colombo by year
Year	Wettest five days (Rx5day)
1956	n/a
1957	n/a
1958	115.3 mm (4.5 in)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	0.8 mm (0.03 in)
1986	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	67.1 mm (2.6 in)
1993	292.1 mm (11.5 in)
1994	26.4 mm (1.0 in)
1995	n/a
1996	n/a
1998	n/a
2007	93.3 mm (3.7 in)
2008	66.6 mm (2.6 in)
2009	245.8 mm (9.7 in)
2010	460.0 mm (18.1 in)
2011	172.2 mm (6.8 in)
2012	196.6 mm (7.7 in)
2013	236.1 mm (9.3 in)
2014	207.1 mm (8.2 in)
2015	329.1 mm (13.0 in)
2016	432.3 mm (17.0 in)
2017	186.2 mm (7.3 in)
2018	167.4 mm (6.6 in)
2019	233.7 mm (9.2 in)
2020	270.1 mm (10.6 in)
2021	207.7 mm (8.2 in)
2022	241.3 mm (9.5 in)
2023	220.3 mm (8.7 in)
2024	75.4 mm (3.0 in)
2025	n/a
2026	84.9 mm (3.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Colombo, 1956 to 2026. The record is 57 days in 2020, marked on the chart; the median year is 9 days.

Longest dry spell (CDD) at Colombo by year
Year	Longest dry spell (CDD)
1956	n/a
1957	n/a
1958	3 days
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	4 days
1983	2 days
1984	1 day
1985	5 days
1986	1 day
1988	1 day
1989	2 days
1990	1 day
1991	1 day
1992	4 days
1993	12 days
1994	6 days
1995	3 days
1996	n/a
1998	1 day
2007	6 days
2008	5 days
2009	13 days
2010	32 days
2011	17 days
2012	26 days
2013	15 days
2014	22 days
2015	22 days
2016	30 days
2017	21 days
2018	30 days
2019	20 days
2020	57 days
2021	15 days
2022	15 days
2023	29 days
2024	3 days
2025	n/a
2026	52 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Colombo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Colombo threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).