Mahanoro Weather Records (MAM00067113)

Record envelope, standing records and threshold days for Mahanoro (MAM00067113), Madagascar, with 47 years of record.

Key Facts for Mahanoro

Mahanoro (MAM00067113) is a weather station in Madagascar at -19.83 latitude and 48.80 longitude, 5 m (16 ft) above sea level.
The station reports from 1973 to 2019, 47 years of record.
1,464 records set at Mahanoro still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Madagascar, -19.83 latitude, 48.80 longitude.
Elevation: 5 m (16 ft).
Period of record: 1973 to 2019, 47 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Mahanoro. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Mahanoro, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.0 C (98.6 F)	19.0 C (66.2 F)	n/a	n/a
Feb	38.1 C (100.6 F)	19.8 C (67.6 F)	n/a	n/a
Mar	36.2 C (97.2 F)	19.5 C (67.1 F)	n/a	n/a
Apr	32.5 C (90.5 F)	15.6 C (60.1 F)	n/a	n/a
May	32.7 C (90.9 F)	13.0 C (55.4 F)	n/a	n/a
Jun	30.0 C (86.0 F)	11.0 C (51.8 F)	n/a	n/a
Jul	29.0 C (84.2 F)	10.0 C (50.0 F)	n/a	n/a
Aug	28.4 C (83.1 F)	7.2 C (45.0 F)	n/a	n/a
Sep	30.7 C (87.3 F)	11.0 C (51.8 F)	n/a	n/a
Oct	31.2 C (88.2 F)	9.0 C (48.2 F)	n/a	n/a
Nov	33.2 C (91.8 F)	15.8 C (60.4 F)	n/a	n/a
Dec	34.0 C (93.2 F)	17.4 C (63.3 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mahanoro still stand. 1996 holds the most, with 87.

Standing records at Mahanoro by the year they were set
Year set	Standing records
1975	11
1976	11
1977	13
1978	24
1979	5
1980	30
1981	23
1982	23
1983	10
1984	4
1985	4
1986	36
1987	70
1988	56
1989	51
1990	26
1991	30
1992	35
1993	64
1994	83
1995	40
1996	87
1997	49
1998	60
1999	58
2000	8
2001	40
2002	50
2003	64
2004	45
2005	66
2006	41
2010	54
2011	44
2012	22
2013	20
2014	36
2015	19
2017	2
2018	29
2019	21

Wettest Day of Each Month

Mar: 320.0 mm (12.6 in)

The wettest day on record for each calendar month at Mahanoro. The most was 320.0 mm (12.6 in) on 5 March 1981.

Record daily precipitation for each month at Mahanoro
Month	Record daily precipitation (mm)	Date
Jan	309.9 mm (12.2 in)	23 January 1981
Feb	210.1 mm (8.3 in)	26 February 1981
Mar	320.0 mm (12.6 in)	5 March 1981
Apr	200.9 mm (7.9 in)	14 April 2018
May	309.9 mm (12.2 in)	15 May 1981
Jun	55.1 mm (2.2 in)	6 June 1982
Jul	130.0 mm (5.1 in)	3 July 1980
Aug	55.1 mm (2.2 in)	11 August 1997
Sep	59.9 mm (2.4 in)	6 September 1981
Oct	108.0 mm (4.3 in)	16 October 1986
Nov	101.1 mm (4.0 in)	12 November 1993
Dec	214.9 mm (8.5 in)	6 December 1983

Period of Record Coverage

1973 to 2019

43 years of record at Mahanoro, 1973 to 2019. 43 years have data for under 90 percent of days and are left out of rankings: 1973, 1975, 1976, 1977, 1978, 1979, 1980, 1981 and others.

Days with data per year at Mahanoro
Year	Days with data	Share of year	Complete
1973	1	0%	No
1975	23	6%	No
1976	22	6%	No
1977	26	7%	No
1978	40	11%	No
1979	18	5%	No
1980	87	24%	No
1981	66	18%	No
1982	138	38%	No
1983	63	17%	No
1984	11	3%	No
1985	10	3%	No
1986	130	36%	No
1987	292	80%	No
1988	309	84%	No
1989	301	82%	No
1990	176	48%	No
1991	176	48%	No
1992	214	58%	No
1993	282	77%	No
1994	324	89%	No
1995	250	68%	No
1996	252	69%	No
1997	252	69%	No
1998	256	70%	No
1999	286	78%	No
2000	30	8%	No
2001	169	46%	No
2002	289	79%	No
2003	283	78%	No
2004	281	77%	No
2005	309	85%	No
2006	259	71%	No
2009	14	4%	No
2010	212	58%	No
2011	173	47%	No
2012	148	40%	No
2013	44	12%	No
2014	134	37%	No
2015	43	12%	No
2017	12	3%	No
2018	118	32%	No
2019	37	10%	No

Latest Records

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

Extremes by Year

1973 to 2019

Yearly extremes at Mahanoro: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.1 C (100.6 F)	1987	33.0 C (91.4 F)	43
Coldest night (TNn)	7.2 C (45.0 F)	1990	13.5 C (56.3 F)	44
Wettest day (Rx1day)	320.0 mm (12.6 in)	1981	91.9 mm (3.6 in)	41
Wettest five days (Rx5day)	670.1 mm (26.4 in)	1981	148.1 mm (5.8 in)	35
Longest dry spell (CDD)	8 days	1988	4 days	40

Hottest day (TXx)

The hottest day of the year at Mahanoro, 1973 to 2019. The record is 38.1 C (100.6 F) in 1987, marked on the chart; the median year is 33.0 C (91.4 F).

Hottest day (TXx) at Mahanoro by year
Year	Hottest day (TXx)
1973	28.0 C (82.4 F)
1974	n/a
1975	30.0 C (86.0 F)
1976	33.0 C (91.4 F)
1977	31.0 C (87.8 F)
1978	33.0 C (91.4 F)
1979	32.0 C (89.6 F)
1980	34.0 C (93.2 F)
1981	35.0 C (95.0 F)
1982	32.1 C (89.8 F)
1983	31.2 C (88.2 F)
1984	28.2 C (82.8 F)
1985	30.2 C (86.4 F)
1986	31.7 C (89.1 F)
1987	38.1 C (100.6 F)
1988	32.2 C (90.0 F)
1989	33.5 C (92.3 F)
1990	31.8 C (89.2 F)
1991	33.6 C (92.5 F)
1992	31.8 C (89.2 F)
1993	37.0 C (98.6 F)
1994	33.3 C (91.9 F)
1995	32.8 C (91.0 F)
1996	32.9 C (91.2 F)
1997	33.2 C (91.8 F)
1998	34.2 C (93.6 F)
1999	33.2 C (91.8 F)
2000	33.5 C (92.3 F)
2001	36.2 C (97.2 F)
2002	34.4 C (93.9 F)
2003	32.5 C (90.5 F)
2004	36.0 C (96.8 F)
2005	34.0 C (93.2 F)
2006	33.8 C (92.8 F)
2009	31.6 C (88.9 F)
2010	32.4 C (90.3 F)
2011	32.6 C (90.7 F)
2012	31.8 C (89.2 F)
2013	31.3 C (88.3 F)
2014	33.9 C (93.0 F)
2015	33.0 C (91.4 F)
2017	31.8 C (89.2 F)
2018	33.0 C (91.4 F)
2019	33.8 C (92.8 F)

Coldest night (TNn)

The coldest night of the year at Mahanoro, 1973 to 2019. The record is 7.2 C (45.0 F) in 1990, marked on the chart; the median year is 13.5 C (56.3 F).

Coldest night (TNn) at Mahanoro by year
Year	Coldest night (TNn)
1973	23.0 C (73.4 F)
1974	22.0 C (71.6 F)
1975	13.0 C (55.4 F)
1976	14.0 C (57.2 F)
1977	15.0 C (59.0 F)
1978	12.0 C (53.6 F)
1979	13.0 C (55.4 F)
1980	9.0 C (48.2 F)
1981	11.0 C (51.8 F)
1982	10.0 C (50.0 F)
1983	17.5 C (63.5 F)
1984	12.9 C (55.2 F)
1985	15.9 C (60.6 F)
1986	11.8 C (53.2 F)
1987	12.8 C (55.0 F)
1988	13.4 C (56.1 F)
1989	14.7 C (58.5 F)
1990	7.2 C (45.0 F)
1991	12.1 C (53.8 F)
1992	11.0 C (51.8 F)
1993	11.6 C (52.9 F)
1994	14.2 C (57.6 F)
1995	13.6 C (56.5 F)
1996	11.0 C (51.8 F)
1997	16.2 C (61.2 F)
1998	14.4 C (57.9 F)
1999	13.6 C (56.5 F)
2000	20.0 C (68.0 F)
2001	14.6 C (58.3 F)
2002	14.8 C (58.6 F)
2003	11.8 C (53.2 F)
2004	13.0 C (55.4 F)
2005	12.0 C (53.6 F)
2006	13.5 C (56.3 F)
2009	21.1 C (70.0 F)
2010	13.5 C (56.3 F)
2011	13.1 C (55.6 F)
2012	13.4 C (56.1 F)
2013	13.6 C (56.5 F)
2014	13.6 C (56.5 F)
2015	14.0 C (57.2 F)
2017	14.8 C (58.6 F)
2018	12.6 C (54.7 F)
2019	17.6 C (63.7 F)

Wettest day (Rx1day)

The wettest day of the year at Mahanoro, 1973 to 2019. The record is 320.0 mm (12.6 in) in 1981, marked on the chart; the median year is 91.9 mm (3.6 in).

Wettest day (Rx1day) at Mahanoro by year
Year	Wettest day (Rx1day)
1973	n/a
1974	59.9 mm (2.4 in)
1975	n/a
1976	35.1 mm (1.4 in)
1977	130.0 mm (5.1 in)
1978	37.1 mm (1.5 in)
1979	59.9 mm (2.4 in)
1980	140.0 mm (5.5 in)
1981	320.0 mm (12.6 in)
1982	116.1 mm (4.6 in)
1983	214.9 mm (8.5 in)
1984	23.1 mm (0.9 in)
1985	77.0 mm (3.0 in)
1986	108.0 mm (4.3 in)
1987	99.1 mm (3.9 in)
1988	104.9 mm (4.1 in)
1989	148.1 mm (5.8 in)
1990	134.1 mm (5.3 in)
1991	82.0 mm (3.2 in)
1992	67.1 mm (2.6 in)
1993	101.1 mm (4.0 in)
1994	143.0 mm (5.6 in)
1995	91.9 mm (3.6 in)
1996	122.9 mm (4.8 in)
1997	58.9 mm (2.3 in)
1998	64.0 mm (2.5 in)
1999	34.0 mm (1.3 in)
2000	37.1 mm (1.5 in)
2001	133.1 mm (5.2 in)
2002	73.9 mm (2.9 in)
2003	73.9 mm (2.9 in)
2004	87.9 mm (3.5 in)
2005	96.0 mm (3.8 in)
2006	131.1 mm (5.2 in)
2009	40.9 mm (1.6 in)
2010	106.9 mm (4.2 in)
2011	n/a
2012	99.1 mm (3.9 in)
2013	64.0 mm (2.5 in)
2014	81.0 mm (3.2 in)
2015	52.1 mm (2.1 in)
2017	128.0 mm (5.0 in)
2018	200.9 mm (7.9 in)
2019	38.1 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mahanoro, 1973 to 2019. The record is 670.1 mm (26.4 in) in 1981, marked on the chart; the median year is 148.1 mm (5.8 in).

Wettest five days (Rx5day) at Mahanoro by year
Year	Wettest five days (Rx5day)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	8.9 mm (0.35 in)
1979	22.6 mm (0.9 in)
1980	138.1 mm (5.4 in)
1981	670.1 mm (26.4 in)
1982	122.8 mm (4.8 in)
1983	455.0 mm (17.9 in)
1984	n/a
1985	n/a
1986	170.5 mm (6.7 in)
1987	118.4 mm (4.7 in)
1988	161.9 mm (6.4 in)
1989	304.1 mm (12.0 in)
1990	235.0 mm (9.3 in)
1991	173.0 mm (6.8 in)
1992	99.9 mm (3.9 in)
1993	181.8 mm (7.2 in)
1994	200.9 mm (7.9 in)
1995	153.1 mm (6.0 in)
1996	112.8 mm (4.4 in)
1997	148.1 mm (5.8 in)
1998	79.3 mm (3.1 in)
1999	10.2 mm (0.4 in)
2000	40.6 mm (1.6 in)
2001	159.2 mm (6.3 in)
2002	197.9 mm (7.8 in)
2003	181.9 mm (7.2 in)
2004	94.0 mm (3.7 in)
2005	120.4 mm (4.7 in)
2006	177.1 mm (7.0 in)
2009	74.9 mm (2.9 in)
2010	216.9 mm (8.5 in)
2011	n/a
2012	209.1 mm (8.2 in)
2013	74.0 mm (2.9 in)
2014	86.4 mm (3.4 in)
2015	32.3 mm (1.3 in)
2017	n/a
2018	159.7 mm (6.3 in)
2019	43.1 mm (1.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mahanoro, 1973 to 2019. The record is 8 days in 1988, marked on the chart; the median year is 4 days.

Longest dry spell (CDD) at Mahanoro by year
Year	Longest dry spell (CDD)
1973	n/a
1974	n/a
1975	n/a
1976	2 days
1977	3 days
1978	3 days
1979	7 days
1980	7 days
1981	7 days
1982	3 days
1983	4 days
1984	2 days
1985	2 days
1986	6 days
1987	6 days
1988	8 days
1989	5 days
1990	4 days
1991	4 days
1992	4 days
1993	6 days
1994	5 days
1995	4 days
1996	3 days
1997	4 days
1998	4 days
1999	2 days
2000	6 days
2001	3 days
2002	4 days
2003	5 days
2004	7 days
2005	6 days
2006	5 days
2009	1 day
2010	4 days
2011	n/a
2012	3 days
2013	2 days
2014	3 days
2015	2 days
2017	1 day
2018	4 days
2019	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 Mahanoro standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mahanoro 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 2026-10-13 (13 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).