Mersing Weather Records (MYM00048674)

Record envelope, standing records and threshold days for Mersing (MYM00048674), Malaysia, with 68 years of record.

Key Facts for Mersing

Mersing (MYM00048674) is a weather station in Malaysia at 2.45 latitude and 103.83 longitude, 45 m (148 ft) above sea level.
The station reports from 1959 to 2026, 68 years of record.
1,464 records set at Mersing still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Malaysia, 2.45 latitude, 103.83 longitude.
Elevation: 45 m (148 ft).
Period of record: 1959 to 2026, 68 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

18 days at or beyond a record

The band shows the record high and record low for each calendar day at Mersing. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Mersing, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.3 C (95.5 F)	20.0 C (68.0 F)	31.0 C (87.8 F)	22.0 C (71.6 F)
Feb	32.4 C (90.3 F)	21.1 C (70.0 F)	31.0 C (87.8 F)	23.0 C (73.4 F)
Mar	34.3 C (93.7 F)	20.0 C (68.0 F)	33.0 C (91.4 F)	23.0 C (73.4 F)
Apr	37.4 C (99.3 F)	20.0 C (68.0 F)	33.0 C (91.4 F)	23.0 C (73.4 F)
May	38.2 C (100.8 F)	20.0 C (68.0 F)	35.0 C (95.0 F)	23.0 C (73.4 F)
Jun	36.4 C (97.5 F)	21.1 C (70.0 F)	35.0 C (95.0 F)	22.0 C (71.6 F)
Jul	36.0 C (96.8 F)	20.0 C (68.0 F)	35.0 C (95.0 F)	23.0 C (73.4 F)
Aug	36.5 C (97.7 F)	20.0 C (68.0 F)	34.0 C (93.2 F)	22.0 C (71.6 F)
Sep	35.7 C (96.3 F)	20.0 C (68.0 F)	34.0 C (93.2 F)	23.0 C (73.4 F)
Oct	36.0 C (96.8 F)	20.0 C (68.0 F)	34.0 C (93.2 F)	22.0 C (71.6 F)
Nov	34.8 C (94.6 F)	21.1 C (70.0 F)	34.0 C (93.2 F)	23.0 C (73.4 F)
Dec	34.5 C (94.1 F)	21.1 C (70.0 F)	32.0 C (89.6 F)	23.0 C (73.4 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mersing still stand. 2016 holds the most, with 297.

Wettest Day of Each Month

Jan: 296.7 mm (11.7 in)

The wettest day on record for each calendar month at Mersing. The most was 296.7 mm (11.7 in) on 13 January 2018.

Record daily precipitation for each month at Mersing
Month	Record daily precipitation (mm)	Date
Jan	296.7 mm (11.7 in)	13 January 2018
Feb	214.9 mm (8.5 in)	24 February 2022
Mar	169.9 mm (6.7 in)	9 March 1962
Apr	59.9 mm (2.4 in)	24 April 1964
May	74.4 mm (2.9 in)	10 May 2017
Jun	70.1 mm (2.8 in)	19 June 1963
Jul	70.1 mm (2.8 in)	9 July 2018
Aug	51.3 mm (2.0 in)	23 August 2018
Sep	80.0 mm (3.1 in)	30 September 1961
Oct	169.9 mm (6.7 in)	30 October 1962
Nov	124.0 mm (4.9 in)	26 November 2015
Dec	229.1 mm (9.0 in)	14 December 2019

Period of Record Coverage

1959 to 2025

15 years of record at Mersing, 1959 to 2025. 6 years have data for under 90 percent of days and are left out of rankings: 1959, 1965, 2015, 2017, 2018, 2022.

Days with data per year at Mersing
Year	Days with data	Share of year	Complete
1959	2	1%	No
1961	334	92%	Yes
1962	337	92%	Yes
1963	344	94%	Yes
1964	343	94%	Yes
1965	52	14%	No
2015	66	18%	No
2016	350	96%	Yes
2017	231	63%	No
2018	326	89%	No
2019	342	94%	Yes
2020	350	96%	Yes
2021	337	92%	Yes
2022	273	75%	No
2025	352	96%	Yes

Latest Records

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

Extremes by Year

1959 to 2026

Yearly extremes at Mersing: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.2 C (100.8 F)	2016	35.1 C (95.1 F)	16
Coldest night (TNn)	20.0 C (68.0 F)	1963	21.5 C (70.7 F)	16
Wettest day (Rx1day)	296.7 mm (11.7 in)	2018	120.6 mm (4.7 in)	14
Wettest five days (Rx5day)	605.1 mm (23.8 in)	2018	238.0 mm (9.4 in)	13
Longest dry spell (CDD)	26 days	2016	12 days	13

Hottest day (TXx)

The hottest day of the year at Mersing, 1959 to 2026. The record is 38.2 C (100.8 F) in 2016, marked on the chart; the median year is 35.1 C (95.1 F).

Hottest day (TXx) at Mersing by year
Year	Hottest day (TXx)
1959	30.0 C (86.0 F)
1961	33.9 C (93.0 F)
1962	35.0 C (95.0 F)
1963	33.9 C (93.0 F)
1964	33.9 C (93.0 F)
1965	33.9 C (93.0 F)
2015	34.4 C (93.9 F)
2016	38.2 C (100.8 F)
2017	35.3 C (95.5 F)
2018	35.1 C (95.2 F)
2019	36.7 C (98.1 F)
2020	35.7 C (96.3 F)
2021	35.8 C (96.4 F)
2022	35.4 C (95.7 F)
2025	35.0 C (95.0 F)
2026	36.0 C (96.8 F)

Coldest night (TNn)

The coldest night of the year at Mersing, 1959 to 2026. The record is 20.0 C (68.0 F) in 1963, marked on the chart; the median year is 21.5 C (70.7 F).

Coldest night (TNn) at Mersing by year
Year	Coldest night (TNn)
1959	21.1 C (70.0 F)
1961	21.1 C (70.0 F)
1962	21.1 C (70.0 F)
1963	20.0 C (68.0 F)
1964	20.0 C (68.0 F)
1965	20.0 C (68.0 F)
2015	22.5 C (72.5 F)
2016	21.9 C (71.4 F)
2017	22.1 C (71.8 F)
2018	20.8 C (69.4 F)
2019	21.5 C (70.7 F)
2020	21.5 C (70.7 F)
2021	21.7 C (71.1 F)
2022	21.5 C (70.7 F)
2025	22.0 C (71.6 F)
2026	22.0 C (71.6 F)

Wettest day (Rx1day)

The wettest day of the year at Mersing, 1959 to 2026. The record is 296.7 mm (11.7 in) in 2018, marked on the chart; the median year is 120.6 mm (4.7 in).

Wettest day (Rx1day) at Mersing by year
Year	Wettest day (Rx1day)
1959	36.1 mm (1.4 in)
1961	110.0 mm (4.3 in)
1962	169.9 mm (6.7 in)
1963	110.0 mm (4.3 in)
1964	140.0 mm (5.5 in)
1965	45.0 mm (1.8 in)
2015	124.0 mm (4.9 in)
2016	69.3 mm (2.7 in)
2017	93.7 mm (3.7 in)
2018	296.7 mm (11.7 in)
2019	229.1 mm (9.0 in)
2020	117.1 mm (4.6 in)
2021	132.1 mm (5.2 in)
2022	214.9 mm (8.5 in)
2025	n/a
2026	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Mersing, 1959 to 2026. The record is 605.1 mm (23.8 in) in 2018, marked on the chart; the median year is 238.0 mm (9.4 in).

Wettest five days (Rx5day) at Mersing by year
Year	Wettest five days (Rx5day)
1959	n/a
1961	275.8 mm (10.9 in)
1962	345.2 mm (13.6 in)
1963	238.0 mm (9.4 in)
1964	360.0 mm (14.2 in)
1965	41.1 mm (1.6 in)
2015	161.4 mm (6.4 in)
2016	173.3 mm (6.8 in)
2017	158.4 mm (6.2 in)
2018	605.1 mm (23.8 in)
2019	422.1 mm (16.6 in)
2020	222.8 mm (8.8 in)
2021	227.7 mm (9.0 in)
2022	266.5 mm (10.5 in)
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Mersing, 1959 to 2026. The record is 26 days in 2016, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Mersing by year
Year	Longest dry spell (CDD)
1959	n/a
1961	3 days
1962	4 days
1963	5 days
1964	4 days
1965	1 day
2015	9 days
2016	26 days
2017	14 days
2018	20 days
2019	17 days
2020	12 days
2021	15 days
2022	26 days
2025	n/a
2026	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 Mersing standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mersing 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).