Sayaboury Weather Records (LAM00048938)

Record envelope, standing records and threshold days for Sayaboury (LAM00048938), Laos, with 53 years of record.

Key Facts for Sayaboury

Sayaboury (LAM00048938) is a weather station in Laos at 19.23 latitude and 101.73 longitude, 326 m (1,070 ft) above sea level.
The station reports from 1973 to 2025, 53 years of record.
1,464 records set at Sayaboury still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Laos, 19.23 latitude, 101.73 longitude.
Elevation: 326 m (1,070 ft).
Period of record: 1973 to 2025, 53 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

51 days at or beyond a record

The band shows the record high and record low for each calendar day at Sayaboury. The lines show the 2026 daily maximum and minimum. 51 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Sayaboury, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.8 C (96.4 F)	6.6 C (43.9 F)	33.8 C (92.8 F)	7.5 C (45.5 F)
Feb	37.1 C (98.8 F)	8.0 C (46.4 F)	36.0 C (96.8 F)	12.2 C (54.0 F)
Mar	39.6 C (103.3 F)	9.2 C (48.6 F)	39.6 C (103.3 F)	14.6 C (58.3 F)
Apr	41.6 C (106.9 F)	14.6 C (58.3 F)	39.5 C (103.1 F)	18.6 C (65.5 F)
May	42.0 C (107.6 F)	16.8 C (62.2 F)	38.0 C (100.4 F)	21.9 C (71.4 F)
Jun	37.8 C (100.0 F)	20.2 C (68.4 F)	36.8 C (98.2 F)	22.1 C (71.8 F)
Jul	39.0 C (102.2 F)	20.6 C (69.1 F)	34.6 C (94.3 F)	22.4 C (72.3 F)
Aug	38.0 C (100.4 F)	21.0 C (69.8 F)	35.5 C (95.9 F)	22.2 C (72.0 F)
Sep	36.2 C (97.2 F)	19.6 C (67.3 F)	n/a	n/a
Oct	38.4 C (101.1 F)	14.0 C (57.2 F)	n/a	n/a
Nov	35.5 C (95.9 F)	10.0 C (50.0 F)	n/a	n/a
Dec	33.8 C (92.8 F)	4.8 C (40.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Sayaboury still stand. 2023 holds the most, with 129.

Standing records at Sayaboury by the year they were set
Year set	Standing records
1973	15
1978	2
1979	24
1980	38
1981	11
1983	6
1984	1
2002	6
2003	4
2004	14
2005	30
2006	19
2007	39
2008	26
2009	40
2010	65
2011	79
2012	56
2013	79
2014	52
2015	87
2016	74
2017	65
2018	56
2019	48
2020	69
2021	64
2022	94
2023	129
2024	108
2025	64

Wettest Day of Each Month

Aug: 182.9 mm (7.2 in)

The wettest day on record for each calendar month at Sayaboury. The most was 182.9 mm (7.2 in) on 20 August 2016.

Record daily precipitation for each month at Sayaboury
Month	Record daily precipitation (mm)	Date
Jan	49.0 mm (1.9 in)	27 January 2016
Feb	16.5 mm (0.6 in)	20 February 2022
Mar	46.5 mm (1.8 in)	17 March 2022
Apr	69.9 mm (2.8 in)	23 April 2024
May	51.1 mm (2.0 in)	23 May 2010
Jun	179.1 mm (7.1 in)	26 June 2011
Jul	89.9 mm (3.5 in)	6 July 2024
Aug	182.9 mm (7.2 in)	20 August 2016
Sep	145.0 mm (5.7 in)	8 September 2009
Oct	81.0 mm (3.2 in)	12 October 2016
Nov	60.7 mm (2.4 in)	3 November 2021
Dec	34.0 mm (1.3 in)	16 December 2013

Period of Record Coverage

1973 to 2025

24 years of record at Sayaboury, 1973 to 2025. 20 years have data for under 90 percent of days and are left out of rankings: 1973, 1974, 1979, 1980, 1981, 1982, 1983, 2004 and others.

Days with data per year at Sayaboury
Year	Days with data	Share of year	Complete
1973	87	24%	No
1974	1	0%	No
1979	56	15%	No
1980	89	24%	No
1981	53	15%	No
1982	2	1%	No
1983	14	4%	No
2004	2	1%	No
2010	172	47%	No
2011	297	81%	No
2012	293	80%	No
2013	282	77%	No
2014	331	91%	Yes
2015	335	92%	Yes
2016	312	85%	No
2017	287	79%	No
2018	259	71%	No
2019	57	16%	No
2020	174	48%	No
2021	331	91%	Yes
2022	337	92%	Yes
2023	324	89%	No
2024	301	82%	No
2025	220	60%	No

Latest Records

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

Extremes by Year

1973 to 2025

Yearly extremes at Sayaboury: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.0 C (107.6 F)	2023	38.3 C (100.9 F)	24
Coldest night (TNn)	4.8 C (40.6 F)	2017	9.2 C (48.6 F)	33
Wettest day (Rx1day)	182.9 mm (7.2 in)	2016	68.1 mm (2.7 in)	25
Wettest five days (Rx5day)	263.1 mm (10.4 in)	2011	135.7 mm (5.3 in)	21
Longest dry spell (CDD)	4 days	2015	3 days	23

Hottest day (TXx)

The hottest day of the year at Sayaboury, 1973 to 2025. The record is 42.0 C (107.6 F) in 2023, marked on the chart; the median year is 38.3 C (100.9 F).

Hottest day (TXx) at Sayaboury by year
Year	Hottest day (TXx)
1973	39.0 C (102.2 F)
1974	32.0 C (89.6 F)
1978	n/a
1979	33.0 C (91.4 F)
1980	38.0 C (100.4 F)
1981	39.0 C (102.2 F)
1982	28.0 C (82.4 F)
1983	40.2 C (104.4 F)
1984	n/a
2002	n/a
2003	n/a
2004	35.0 C (95.0 F)
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	35.6 C (96.1 F)
2011	36.5 C (97.7 F)
2012	37.0 C (98.6 F)
2013	38.4 C (101.1 F)
2014	39.0 C (102.2 F)
2015	39.0 C (102.2 F)
2016	40.8 C (105.4 F)
2017	38.2 C (100.8 F)
2018	38.8 C (101.8 F)
2019	37.8 C (100.0 F)
2020	36.8 C (98.2 F)
2021	38.6 C (101.5 F)
2022	37.2 C (99.0 F)
2023	42.0 C (107.6 F)
2024	41.6 C (106.9 F)
2025	39.6 C (103.3 F)

Coldest night (TNn)

The coldest night of the year at Sayaboury, 1973 to 2025. The record is 4.8 C (40.6 F) in 2017, marked on the chart; the median year is 9.2 C (48.6 F).

Coldest night (TNn) at Sayaboury by year
Year	Coldest night (TNn)
1973	10.0 C (50.0 F)
1974	14.0 C (57.2 F)
1978	13.0 C (55.4 F)
1979	10.0 C (50.0 F)
1980	12.0 C (53.6 F)
1981	8.0 C (46.4 F)
1982	15.0 C (59.0 F)
1983	9.0 C (48.2 F)
1984	13.4 C (56.1 F)
2002	16.0 C (60.8 F)
2003	11.7 C (53.1 F)
2004	10.7 C (51.3 F)
2005	9.2 C (48.6 F)
2006	7.1 C (44.8 F)
2007	8.5 C (47.3 F)
2008	8.0 C (46.4 F)
2009	8.0 C (46.4 F)
2010	12.0 C (53.6 F)
2011	10.6 C (51.1 F)
2012	7.8 C (46.0 F)
2013	9.0 C (48.2 F)
2014	6.6 C (43.9 F)
2015	9.0 C (48.2 F)
2016	7.4 C (45.3 F)
2017	4.8 C (40.6 F)
2018	12.4 C (54.3 F)
2019	5.0 C (41.0 F)
2020	8.8 C (47.8 F)
2021	8.5 C (47.3 F)
2022	9.5 C (49.1 F)
2023	9.2 C (48.6 F)
2024	11.2 C (52.2 F)
2025	7.5 C (45.5 F)

Wettest day (Rx1day)

The wettest day of the year at Sayaboury, 1973 to 2025. The record is 182.9 mm (7.2 in) in 2016, marked on the chart; the median year is 68.1 mm (2.7 in).

Wettest day (Rx1day) at Sayaboury by year
Year	Wettest day (Rx1day)
1973	n/a
1974	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	7.1 mm (0.28 in)
1984	n/a
2002	37.1 mm (1.5 in)
2003	36.1 mm (1.4 in)
2004	64.0 mm (2.5 in)
2005	121.9 mm (4.8 in)
2006	43.9 mm (1.7 in)
2007	71.9 mm (2.8 in)
2008	80.0 mm (3.1 in)
2009	145.0 mm (5.7 in)
2010	94.0 mm (3.7 in)
2011	179.1 mm (7.1 in)
2012	80.0 mm (3.1 in)
2013	58.9 mm (2.3 in)
2014	56.9 mm (2.2 in)
2015	68.1 mm (2.7 in)
2016	182.9 mm (7.2 in)
2017	68.1 mm (2.7 in)
2018	132.1 mm (5.2 in)
2019	55.9 mm (2.2 in)
2020	64.0 mm (2.5 in)
2021	60.7 mm (2.4 in)
2022	80.0 mm (3.1 in)
2023	88.6 mm (3.5 in)
2024	96.0 mm (3.8 in)
2025	67.3 mm (2.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Sayaboury, 1973 to 2025. The record is 263.1 mm (10.4 in) in 2011, marked on the chart; the median year is 135.7 mm (5.3 in).

Wettest five days (Rx5day) at Sayaboury by year
Year	Wettest five days (Rx5day)
1973	n/a
1974	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
2002	n/a
2003	n/a
2004	n/a
2005	56.1 mm (2.2 in)
2006	32.3 mm (1.3 in)
2007	186.0 mm (7.3 in)
2008	108.0 mm (4.3 in)
2009	157.2 mm (6.2 in)
2010	147.1 mm (5.8 in)
2011	263.1 mm (10.4 in)
2012	186.2 mm (7.3 in)
2013	130.9 mm (5.2 in)
2014	125.0 mm (4.9 in)
2015	126.0 mm (5.0 in)
2016	197.9 mm (7.8 in)
2017	135.7 mm (5.3 in)
2018	155.9 mm (6.1 in)
2019	69.4 mm (2.7 in)
2020	172.7 mm (6.8 in)
2021	82.5 mm (3.2 in)
2022	188.5 mm (7.4 in)
2023	90.4 mm (3.6 in)
2024	243.1 mm (9.6 in)
2025	89.1 mm (3.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Sayaboury, 1973 to 2025. The record is 4 days in 2015, marked on the chart; the median year is 3 days.

Longest dry spell (CDD) at Sayaboury by year
Year	Longest dry spell (CDD)
1973	n/a
1974	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
2002	2 days
2003	n/a
2004	1 day
2005	3 days
2006	1 day
2007	2 days
2008	2 days
2009	2 days
2010	3 days
2011	2 days
2012	3 days
2013	3 days
2014	3 days
2015	4 days
2016	3 days
2017	3 days
2018	3 days
2019	3 days
2020	3 days
2021	2 days
2022	4 days
2023	3 days
2024	2 days
2025	2 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 Sayaboury standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Sayaboury 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 2026-10-14 (14 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).