Medan/Belawan Weather Records (IDM00096033)

Record envelope, standing records and threshold days for Medan/Belawan (IDM00096033), Indonesia, with 42 years of record.

Key Facts for Medan/Belawan

Medan/Belawan (IDM00096033) is a weather station in Indonesia at 3.80 latitude and 98.70 longitude, 3 m (10 ft) above sea level.
The station reports from 1984 to 2025, 42 years of record.
1,464 records set at Medan/Belawan still stand.
Records are tracked for tmax: an element needs 30 years of data to be eligible.
Medan/Belawan set a daily record low maximum temperature of 29.0 C (84.2 F) on 23 February 2025.

About the Station

Location: Indonesia, 3.80 latitude, 98.70 longitude.
Elevation: 3 m (10 ft).
Period of record: 1984 to 2025, 42 years.
Eligible elements: tmax.

Daily Record Envelope and 2026

1 days at or beyond a record

The band shows the record high and record low for each calendar day at Medan/Belawan. The lines show the 2026 daily maximum and minimum. 1 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Medan/Belawan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	33.5 C (92.3 F)	18.8 C (65.8 F)	31.7 C (89.1 F)	23.8 C (74.8 F)
Feb	33.5 C (92.3 F)	21.0 C (69.8 F)	31.9 C (89.4 F)	24.6 C (76.3 F)
Mar	35.6 C (96.1 F)	21.4 C (70.5 F)	31.8 C (89.2 F)	25.3 C (77.5 F)
Apr	35.4 C (95.7 F)	21.4 C (70.5 F)	n/a	n/a
May	36.0 C (96.8 F)	20.6 C (69.1 F)	n/a	n/a
Jun	35.6 C (96.1 F)	20.0 C (68.0 F)	n/a	n/a
Jul	36.5 C (97.7 F)	19.4 C (66.9 F)	n/a	n/a
Aug	35.8 C (96.4 F)	20.0 C (68.0 F)	n/a	n/a
Sep	35.4 C (95.7 F)	20.0 C (68.0 F)	n/a	n/a
Oct	35.6 C (96.1 F)	20.4 C (68.7 F)	n/a	n/a
Nov	34.4 C (93.9 F)	20.4 C (68.7 F)	n/a	n/a
Dec	33.7 C (92.7 F)	21.0 C (69.8 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Medan/Belawan still stand. 2024 holds the most, with 123.

Standing records at Medan/Belawan by the year they were set
Year set	Standing records
1984	16
1985	47
1986	35
1987	5
1992	16
1993	52
1994	60
1995	64
1996	65
1997	34
1998	20
1999	39
2000	36
2001	29
2002	25
2003	29
2004	22
2005	28
2006	32
2007	26
2008	27
2009	22
2010	45
2011	18
2012	30
2013	14
2014	48
2015	32
2016	98
2017	37
2018	38
2019	45
2020	26
2021	43
2022	41
2023	72
2024	123
2025	25

Wettest Day of Each Month

Dec: 149.1 mm (5.9 in)

The wettest day on record for each calendar month at Medan/Belawan. The most was 149.1 mm (5.9 in) on 21 December 1993.

Record daily precipitation for each month at Medan/Belawan
Month	Record daily precipitation (mm)	Date
Jan	39.9 mm (1.6 in)	15 January 2003
Feb	30.0 mm (1.2 in)	2 February 1997
Mar	59.9 mm (2.4 in)	20 March 1997
Apr	121.9 mm (4.8 in)	30 April 1996
May	77.0 mm (3.0 in)	18 May 2005
Jun	66.0 mm (2.6 in)	18 June 1994
Jul	100.1 mm (3.9 in)	29 July 1995
Aug	78.0 mm (3.1 in)	28 August 1994
Sep	73.9 mm (2.9 in)	29 September 1997
Oct	105.9 mm (4.2 in)	23 October 1998
Nov	63.0 mm (2.5 in)	4 November 2004
Dec	149.1 mm (5.9 in)	21 December 1993

Period of Record Coverage

1984 to 2025

40 years of record at Medan/Belawan, 1984 to 2025. 32 years have data for under 90 percent of days and are left out of rankings: 1984, 1985, 1986, 1987, 1988, 1991, 1992, 1993 and others.

Days with data per year at Medan/Belawan
Year	Days with data	Share of year	Complete
1984	36	10%	No
1985	57	16%	No
1986	22	6%	No
1987	10	3%	No
1988	1	0%	No
1991	2	1%	No
1992	60	16%	No
1993	187	51%	No
1994	257	70%	No
1995	259	71%	No
1996	192	52%	No
1997	145	40%	No
1998	118	32%	No
1999	195	53%	No
2000	195	53%	No
2001	320	88%	No
2002	312	85%	No
2003	301	82%	No
2004	253	69%	No
2005	324	89%	No
2006	319	87%	No
2007	298	82%	No
2008	288	79%	No
2009	293	80%	No
2010	334	92%	Yes
2011	329	90%	Yes
2012	323	88%	No
2013	191	52%	No
2014	215	59%	No
2015	299	82%	No
2016	340	93%	Yes
2017	317	87%	No
2018	320	88%	No
2019	327	90%	No
2020	341	93%	Yes
2021	353	97%	Yes
2022	358	98%	Yes
2023	345	95%	Yes
2024	333	91%	Yes
2025	61	17%	No

Latest Records

Latest records at Medan/Belawan
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 February 2025	Medan/Belawan, ID	daily low max	29.0 C (84.2 F)	0.2 C (0.4 F)	7 years	7 of 100 (Routine)
21 February 2025	Medan/Belawan, ID	daily low max (Tie)	29.4 C (84.9 F)	tie	8 years	1 of 100 (Routine)
9 February 2025	Medan/Belawan, ID	daily low max	28.0 C (82.4 F)	1.4 C (2.5 F)	24 years	24 of 100 (Routine)
26 January 2025	Medan/Belawan, ID	daily low max	27.8 C (82.0 F)	1.1 C (2.0 F)	3 years	13 of 100 (Routine)
24 January 2025	Medan/Belawan, ID	daily low max	26.9 C (80.4 F)	1.3 C (2.3 F)	26 years	22 of 100 (Routine)
23 January 2025	Medan/Belawan, ID	daily low max (Tie)	28.8 C (83.8 F)	tie	8 years	1 of 100 (Routine)
15 January 2025	Medan/Belawan, ID	daily low max (Tie)	29.0 C (84.2 F)	tie	19 years	2 of 100 (Routine)
14 January 2025	Medan/Belawan, ID	daily low max	28.0 C (82.4 F)	0.4 C (0.7 F)	18 years	12 of 100 (Routine)
13 January 2025	Medan/Belawan, ID	daily low max	27.9 C (82.2 F)	0.9 C (1.6 F)	4 years	13 of 100 (Routine)
11 January 2025	Medan/Belawan, ID	daily low max	26.6 C (79.9 F)	1.0 C (1.8 F)	14 years	17 of 100 (Routine)
1 January 2025	Medan/Belawan, ID	daily high max	31.6 C (88.9 F)	0.2 C (0.4 F)	6 years	6 of 100 (Routine)

Extremes by Year

1984 to 2025

Yearly extremes at Medan/Belawan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.5 C (97.7 F)	2024	35.0 C (95.0 F)	40
Coldest night (TNn)	18.8 C (65.8 F)	1985	21.4 C (70.5 F)	39
Wettest day (Rx1day)	149.1 mm (5.9 in)	1993	25.9 mm (1.0 in)	32
Wettest five days (Rx5day)	132.8 mm (5.2 in)	1998	76.5 mm (3.0 in)	12
Longest dry spell (CDD)	25 days	2005	2 days	26

Hottest day (TXx)

The hottest day of the year at Medan/Belawan, 1984 to 2025. The record is 36.5 C (97.7 F) in 2024, marked on the chart; the median year is 35.0 C (95.0 F).

Hottest day (TXx) at Medan/Belawan by year
Year	Hottest day (TXx)
1984	33.3 C (91.9 F)
1985	34.4 C (93.9 F)
1986	33.6 C (92.5 F)
1987	34.0 C (93.2 F)
1988	32.2 C (90.0 F)
1991	32.0 C (89.6 F)
1992	34.0 C (93.2 F)
1993	34.6 C (94.3 F)
1994	35.0 C (95.0 F)
1995	35.0 C (95.0 F)
1996	35.2 C (95.4 F)
1997	35.4 C (95.7 F)
1998	35.2 C (95.4 F)
1999	32.8 C (91.0 F)
2000	33.8 C (92.8 F)
2001	35.2 C (95.4 F)
2002	34.8 C (94.6 F)
2003	33.6 C (92.5 F)
2004	34.8 C (94.6 F)
2005	35.8 C (96.4 F)
2006	35.6 C (96.1 F)
2007	35.8 C (96.4 F)
2008	36.0 C (96.8 F)
2009	34.0 C (93.2 F)
2010	35.0 C (95.0 F)
2011	35.0 C (95.0 F)
2012	33.8 C (92.8 F)
2013	35.0 C (95.0 F)
2014	36.4 C (97.5 F)
2015	35.0 C (95.0 F)
2016	35.4 C (95.7 F)
2017	36.4 C (97.5 F)
2018	35.6 C (96.1 F)
2019	35.0 C (95.0 F)
2020	35.6 C (96.1 F)
2021	34.9 C (94.8 F)
2022	35.8 C (96.4 F)
2023	35.3 C (95.5 F)
2024	36.5 C (97.7 F)
2025	31.9 C (89.4 F)

Coldest night (TNn)

The coldest night of the year at Medan/Belawan, 1984 to 2025. The record is 18.8 C (65.8 F) in 1985, marked on the chart; the median year is 21.4 C (70.5 F).

Coldest night (TNn) at Medan/Belawan by year
Year	Coldest night (TNn)
1984	21.6 C (70.9 F)
1985	18.8 C (65.8 F)
1986	20.1 C (68.2 F)
1987	21.4 C (70.5 F)
1988	22.8 C (73.0 F)
1991	n/a
1992	21.8 C (71.2 F)
1993	20.4 C (68.7 F)
1994	20.0 C (68.0 F)
1995	20.8 C (69.4 F)
1996	21.4 C (70.5 F)
1997	21.8 C (71.2 F)
1998	20.4 C (68.7 F)
1999	21.4 C (70.5 F)
2000	20.6 C (69.1 F)
2001	21.6 C (70.9 F)
2002	20.4 C (68.7 F)
2003	20.0 C (68.0 F)
2004	20.8 C (69.4 F)
2005	22.0 C (71.6 F)
2006	22.0 C (71.6 F)
2007	22.0 C (71.6 F)
2008	20.0 C (68.0 F)
2009	22.6 C (72.7 F)
2010	22.2 C (72.0 F)
2011	20.0 C (68.0 F)
2012	19.4 C (66.9 F)
2013	22.0 C (71.6 F)
2014	22.5 C (72.5 F)
2015	21.4 C (70.5 F)
2016	20.4 C (68.7 F)
2017	21.2 C (70.2 F)
2018	21.7 C (71.1 F)
2019	21.4 C (70.5 F)
2020	21.8 C (71.2 F)
2021	20.8 C (69.4 F)
2022	22.6 C (72.7 F)
2023	22.8 C (73.0 F)
2024	23.2 C (73.8 F)
2025	23.8 C (74.8 F)

Wettest day (Rx1day)

The wettest day of the year at Medan/Belawan, 1984 to 2025. The record is 149.1 mm (5.9 in) in 1993, marked on the chart; the median year is 25.9 mm (1.0 in).

Wettest day (Rx1day) at Medan/Belawan by year
Year	Wettest day (Rx1day)
1984	n/a
1985	0.0 mm (0.00 in)
1986	n/a
1987	n/a
1988	n/a
1991	3.0 mm (0.12 in)
1992	23.1 mm (0.9 in)
1993	149.1 mm (5.9 in)
1994	78.0 mm (3.1 in)
1995	100.1 mm (3.9 in)
1996	121.9 mm (4.8 in)
1997	73.9 mm (2.9 in)
1998	105.9 mm (4.2 in)
1999	51.1 mm (2.0 in)
2000	0.0 mm (0.00 in)
2001	n/a
2002	39.1 mm (1.5 in)
2003	64.0 mm (2.5 in)
2004	86.1 mm (3.4 in)
2005	77.0 mm (3.0 in)
2006	13.0 mm (0.5 in)
2007	14.0 mm (0.6 in)
2008	27.2 mm (1.1 in)
2009	6.1 mm (0.24 in)
2010	33.0 mm (1.3 in)
2011	21.1 mm (0.8 in)
2012	n/a
2013	25.9 mm (1.0 in)
2014	33.0 mm (1.3 in)
2015	1.3 mm (0.05 in)
2016	27.9 mm (1.1 in)
2017	25.9 mm (1.0 in)
2018	0.5 mm (0.02 in)
2019	0.5 mm (0.02 in)
2020	n/a
2021	25.9 mm (1.0 in)
2022	24.9 mm (1.0 in)
2023	n/a
2024	0.5 mm (0.02 in)
2025	8.0 mm (0.31 in)

Wettest five days (Rx5day)

The wettest five days of the year at Medan/Belawan, 1984 to 2025. The record is 132.8 mm (5.2 in) in 1998, marked on the chart; the median year is 76.5 mm (3.0 in).

Wettest five days (Rx5day) at Medan/Belawan by year
Year	Wettest five days (Rx5day)
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1991	n/a
1992	23.1 mm (0.9 in)
1993	67.1 mm (2.6 in)
1994	77.3 mm (3.0 in)
1995	75.7 mm (3.0 in)
1996	97.0 mm (3.8 in)
1997	16.0 mm (0.6 in)
1998	132.8 mm (5.2 in)
1999	51.1 mm (2.0 in)
2000	n/a
2001	n/a
2002	48.8 mm (1.9 in)
2003	100.1 mm (3.9 in)
2004	101.8 mm (4.0 in)
2005	111.8 mm (4.4 in)
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Medan/Belawan, 1984 to 2025. The record is 25 days in 2005, marked on the chart; the median year is 2 days.

Longest dry spell (CDD) at Medan/Belawan by year
Year	Longest dry spell (CDD)
1984	n/a
1985	1 day
1986	n/a
1987	n/a
1988	n/a
1991	1 day
1992	4 days
1993	8 days
1994	11 days
1995	13 days
1996	11 days
1997	4 days
1998	7 days
1999	4 days
2000	2 days
2001	n/a
2002	7 days
2003	17 days
2004	15 days
2005	25 days
2006	1 day
2007	1 day
2008	n/a
2009	n/a
2010	1 day
2011	n/a
2012	n/a
2013	1 day
2014	n/a
2015	n/a
2016	1 day
2017	1 day
2018	1 day
2019	1 day
2020	n/a
2021	1 day
2022	1 day
2023	n/a
2024	1 day
2025	n/a

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 Medan/Belawan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Medan/Belawan 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 2026-10-17 (17 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).