Zanzibar Weather Records (TZM00063870)

Record envelope, standing records and threshold days for Zanzibar (TZM00063870), Tanzania, with 53 years of record.

Key Facts for Zanzibar

Zanzibar (TZM00063870) is a weather station in Tanzania at -6.22 latitude and 39.23 longitude, 17 m (54 ft) above sea level.
The station reports from 1973 to 2025, 53 years of record.
1,464 records set at Zanzibar still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Tanzania, -6.22 latitude, 39.23 longitude.
Elevation: 17 m (54 ft).
Period of record: 1973 to 2025, 53 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

2 days at or beyond a record

The band shows the record high and record low for each calendar day at Zanzibar. The lines show the 2026 daily maximum and minimum. 2 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Zanzibar, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	36.6 C (97.9 F)	16.3 C (61.3 F)	33.6 C (92.5 F)	22.4 C (72.3 F)
Feb	39.4 C (102.9 F)	20.2 C (68.4 F)	34.8 C (94.6 F)	23.7 C (74.7 F)
Mar	41.0 C (105.8 F)	17.3 C (63.1 F)	35.4 C (95.7 F)	23.0 C (73.4 F)
Apr	35.8 C (96.4 F)	21.5 C (70.7 F)	32.1 C (89.8 F)	23.6 C (74.5 F)
May	34.0 C (93.2 F)	16.5 C (61.7 F)	31.0 C (87.8 F)	22.8 C (73.0 F)
Jun	32.8 C (91.0 F)	18.0 C (64.4 F)	29.9 C (85.8 F)	21.3 C (70.3 F)
Jul	32.0 C (89.6 F)	17.0 C (62.6 F)	29.6 C (85.3 F)	22.8 C (73.0 F)
Aug	32.0 C (89.6 F)	13.9 C (57.0 F)	30.6 C (87.1 F)	19.3 C (66.7 F)
Sep	32.7 C (90.9 F)	11.8 C (53.2 F)	n/a	n/a
Oct	34.3 C (93.7 F)	14.7 C (58.5 F)	n/a	n/a
Nov	38.4 C (101.1 F)	18.0 C (64.4 F)	n/a	n/a
Dec	35.3 C (95.5 F)	21.0 C (69.8 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Zanzibar still stand. 2019 holds the most, with 103.

Standing records at Zanzibar by the year they were set
Year set	Standing records
1973	3
1974	3
1975	38
1976	35
1977	13
1978	3
1979	3
1980	6
1982	2
1983	19
1984	21
1985	26
1986	25
1987	40
1988	39
1989	64
1990	13
1991	10
1992	7
1993	2
1994	12
1995	9
1996	15
1997	22
1998	16
2002	29
2003	64
2004	29
2005	23
2006	32
2007	34
2008	37
2009	50
2010	19
2011	42
2012	25
2013	18
2014	39
2015	61
2016	65
2017	63
2018	42
2019	103
2020	41
2021	35
2022	38
2023	51
2024	60
2025	18

Wettest Day of Each Month

Nov: 421.6 mm (16.6 in)

The wettest day on record for each calendar month at Zanzibar. The most was 421.6 mm (16.6 in) on 19 November 2005.

Record daily precipitation for each month at Zanzibar
Month	Record daily precipitation (mm)	Date
Jan	105.9 mm (4.2 in)	30 January 2025
Feb	182.1 mm (7.2 in)	8 February 1990
Mar	113.0 mm (4.4 in)	25 March 1997
Apr	166.1 mm (6.5 in)	19 April 2002
May	199.9 mm (7.9 in)	22 May 1979
Jun	67.1 mm (2.6 in)	12 June 2006
Jul	70.1 mm (2.8 in)	9 July 2015
Aug	118.1 mm (4.6 in)	18 August 1991
Sep	70.1 mm (2.8 in)	15 September 1978
Oct	190.0 mm (7.5 in)	26 October 2017
Nov	421.6 mm (16.6 in)	19 November 2005
Dec	99.8 mm (3.9 in)	24 December 2024

Period of Record Coverage

1973 to 2025

50 years of record at Zanzibar, 1973 to 2025. 50 years have data for under 90 percent of days and are left out of rankings: 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980 and others.

Days with data per year at Zanzibar
Year	Days with data	Share of year	Complete
1973	3	1%	No
1974	3	1%	No
1975	45	12%	No
1976	29	8%	No
1977	45	12%	No
1978	12	3%	No
1979	20	5%	No
1980	19	5%	No
1981	5	1%	No
1982	7	2%	No
1983	22	6%	No
1984	32	9%	No
1985	39	11%	No
1986	75	21%	No
1987	169	46%	No
1988	235	64%	No
1989	164	45%	No
1990	51	14%	No
1991	29	8%	No
1992	24	7%	No
1994	9	2%	No
1995	7	2%	No
1996	15	4%	No
1997	64	18%	No
1998	23	6%	No
1999	1	0%	No
2002	151	41%	No
2003	255	70%	No
2004	231	63%	No
2005	198	54%	No
2006	210	58%	No
2007	265	73%	No
2008	266	73%	No
2009	271	74%	No
2010	160	44%	No
2011	266	73%	No
2012	263	72%	No
2013	257	70%	No
2014	264	72%	No
2015	260	71%	No
2016	269	73%	No
2017	295	81%	No
2018	265	73%	No
2019	256	70%	No
2020	213	58%	No
2021	237	65%	No
2022	186	51%	No
2023	239	65%	No
2024	243	66%	No
2025	151	41%	No

Latest Records

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

Extremes by Year

1973 to 2025

Yearly extremes at Zanzibar: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.0 C (105.8 F)	1980	34.8 C (94.6 F)	50
Coldest night (TNn)	11.8 C (53.2 F)	2002	18.4 C (65.1 F)	51
Wettest day (Rx1day)	421.6 mm (16.6 in)	2005	92.0 mm (3.6 in)	50
Wettest five days (Rx5day)	500.6 mm (19.7 in)	2005	146.8 mm (5.8 in)	35
Longest dry spell (CDD)	26 days	2003	3 days	50

Hottest day (TXx)

The hottest day of the year at Zanzibar, 1973 to 2025. The record is 41.0 C (105.8 F) in 1980, marked on the chart; the median year is 34.8 C (94.6 F).

Hottest day (TXx) at Zanzibar by year
Year	Hottest day (TXx)
1973	33.0 C (91.4 F)
1974	31.0 C (87.8 F)
1975	33.0 C (91.4 F)
1976	33.0 C (91.4 F)
1977	38.0 C (100.4 F)
1978	33.0 C (91.4 F)
1979	33.0 C (91.4 F)
1980	41.0 C (105.8 F)
1981	31.0 C (87.8 F)
1982	33.3 C (91.9 F)
1983	35.3 C (95.5 F)
1984	32.0 C (89.6 F)
1985	33.2 C (91.8 F)
1986	33.8 C (92.8 F)
1987	34.5 C (94.1 F)
1988	39.8 C (103.6 F)
1989	38.8 C (101.8 F)
1990	33.9 C (93.0 F)
1991	34.2 C (93.6 F)
1992	33.0 C (91.4 F)
1993	n/a
1994	31.1 C (88.0 F)
1995	33.1 C (91.6 F)
1996	33.8 C (92.8 F)
1997	34.5 C (94.1 F)
1998	33.3 C (91.9 F)
1999	31.5 C (88.7 F)
2002	33.5 C (92.3 F)
2003	35.9 C (96.6 F)
2004	34.3 C (93.7 F)
2005	35.6 C (96.1 F)
2006	38.4 C (101.1 F)
2007	39.4 C (102.9 F)
2008	34.4 C (93.9 F)
2009	34.2 C (93.6 F)
2010	36.1 C (97.0 F)
2011	35.7 C (96.3 F)
2012	35.0 C (95.0 F)
2013	36.1 C (97.0 F)
2014	35.4 C (95.7 F)
2015	36.0 C (96.8 F)
2016	36.6 C (97.9 F)
2017	38.5 C (101.3 F)
2018	36.0 C (96.8 F)
2019	37.4 C (99.3 F)
2020	37.1 C (98.8 F)
2021	35.8 C (96.4 F)
2022	36.2 C (97.2 F)
2023	35.1 C (95.2 F)
2024	36.6 C (97.9 F)
2025	35.4 C (95.7 F)

Coldest night (TNn)

The coldest night of the year at Zanzibar, 1973 to 2025. The record is 11.8 C (53.2 F) in 2002, marked on the chart; the median year is 18.4 C (65.1 F).

Coldest night (TNn) at Zanzibar by year
Year	Coldest night (TNn)
1973	16.0 C (60.8 F)
1974	17.0 C (62.6 F)
1975	16.0 C (60.8 F)
1976	18.0 C (64.4 F)
1977	15.0 C (59.0 F)
1978	19.0 C (66.2 F)
1979	19.0 C (66.2 F)
1980	20.0 C (68.0 F)
1981	20.0 C (68.0 F)
1982	19.5 C (67.1 F)
1983	18.4 C (65.1 F)
1984	16.6 C (61.9 F)
1985	17.3 C (63.1 F)
1986	17.4 C (63.3 F)
1987	12.4 C (54.3 F)
1988	17.9 C (64.2 F)
1989	14.7 C (58.5 F)
1990	18.0 C (64.4 F)
1991	17.1 C (62.8 F)
1992	17.9 C (64.2 F)
1993	20.8 C (69.4 F)
1994	17.9 C (64.2 F)
1995	18.4 C (65.1 F)
1996	16.4 C (61.5 F)
1997	17.3 C (63.1 F)
1998	19.4 C (66.9 F)
1999	23.2 C (73.8 F)
2002	11.8 C (53.2 F)
2003	16.5 C (61.7 F)
2004	12.0 C (53.6 F)
2005	18.5 C (65.3 F)
2006	19.1 C (66.4 F)
2007	19.0 C (66.2 F)
2008	17.5 C (63.5 F)
2009	18.3 C (64.9 F)
2010	19.1 C (66.4 F)
2011	19.5 C (67.1 F)
2012	18.2 C (64.8 F)
2013	19.5 C (67.1 F)
2014	16.3 C (61.3 F)
2015	20.1 C (68.2 F)
2016	19.6 C (67.3 F)
2017	19.5 C (67.1 F)
2018	19.8 C (67.6 F)
2019	21.0 C (69.8 F)
2020	20.0 C (68.0 F)
2021	20.6 C (69.1 F)
2022	19.7 C (67.5 F)
2023	20.1 C (68.2 F)
2024	19.3 C (66.7 F)
2025	19.3 C (66.7 F)

Wettest day (Rx1day)

The wettest day of the year at Zanzibar, 1973 to 2025. The record is 421.6 mm (16.6 in) in 2005, marked on the chart; the median year is 92.0 mm (3.6 in).

Wettest day (Rx1day) at Zanzibar by year
Year	Wettest day (Rx1day)
1973	3.0 mm (0.12 in)
1974	20.1 mm (0.8 in)
1975	35.1 mm (1.4 in)
1976	24.9 mm (1.0 in)
1977	110.0 mm (4.3 in)
1978	70.1 mm (2.8 in)
1979	199.9 mm (7.9 in)
1980	18.0 mm (0.7 in)
1981	9.9 mm (0.39 in)
1982	5.1 mm (0.20 in)
1983	69.1 mm (2.7 in)
1984	101.1 mm (4.0 in)
1985	49.0 mm (1.9 in)
1986	73.9 mm (2.9 in)
1987	98.0 mm (3.9 in)
1988	87.9 mm (3.5 in)
1989	114.0 mm (4.5 in)
1990	182.1 mm (7.2 in)
1991	118.1 mm (4.6 in)
1992	89.9 mm (3.5 in)
1993	27.9 mm (1.1 in)
1994	48.0 mm (1.9 in)
1995	69.1 mm (2.7 in)
1996	39.1 mm (1.5 in)
1997	144.0 mm (5.7 in)
1998	105.9 mm (4.2 in)
1999	n/a
2002	166.1 mm (6.5 in)
2003	27.9 mm (1.1 in)
2004	388.9 mm (15.3 in)
2005	421.6 mm (16.6 in)
2006	67.1 mm (2.6 in)
2007	191.0 mm (7.5 in)
2008	94.0 mm (3.7 in)
2009	89.9 mm (3.5 in)
2010	39.9 mm (1.6 in)
2011	119.9 mm (4.7 in)
2012	84.1 mm (3.3 in)
2013	54.1 mm (2.1 in)
2014	113.0 mm (4.4 in)
2015	196.1 mm (7.7 in)
2016	102.1 mm (4.0 in)
2017	190.0 mm (7.5 in)
2018	115.1 mm (4.5 in)
2019	167.1 mm (6.6 in)
2020	80.8 mm (3.2 in)
2021	99.1 mm (3.9 in)
2022	88.1 mm (3.5 in)
2023	146.1 mm (5.8 in)
2024	99.8 mm (3.9 in)
2025	105.9 mm (4.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Zanzibar, 1973 to 2025. The record is 500.6 mm (19.7 in) in 2005, marked on the chart; the median year is 146.8 mm (5.8 in).

Wettest five days (Rx5day) at Zanzibar by year
Year	Wettest five days (Rx5day)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	15.0 mm (0.6 in)
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	87.2 mm (3.4 in)
1985	67.9 mm (2.7 in)
1986	108.9 mm (4.3 in)
1987	146.8 mm (5.8 in)
1988	123.2 mm (4.9 in)
1989	58.2 mm (2.3 in)
1990	59.7 mm (2.4 in)
1991	n/a
1992	n/a
1993	n/a
1994	59.2 mm (2.3 in)
1995	n/a
1996	n/a
1997	63.0 mm (2.5 in)
1998	82.1 mm (3.2 in)
1999	n/a
2002	128.0 mm (5.0 in)
2003	36.3 mm (1.4 in)
2004	442.7 mm (17.4 in)
2005	500.6 mm (19.7 in)
2006	118.7 mm (4.7 in)
2007	259.0 mm (10.2 in)
2008	208.6 mm (8.2 in)
2009	87.0 mm (3.4 in)
2010	81.0 mm (3.2 in)
2011	185.9 mm (7.3 in)
2012	96.8 mm (3.8 in)
2013	96.1 mm (3.8 in)
2014	270.9 mm (10.7 in)
2015	286.0 mm (11.3 in)
2016	174.2 mm (6.9 in)
2017	270.9 mm (10.7 in)
2018	303.1 mm (11.9 in)
2019	372.4 mm (14.7 in)
2020	190.9 mm (7.5 in)
2021	156.2 mm (6.1 in)
2022	154.7 mm (6.1 in)
2023	333.5 mm (13.1 in)
2024	156.2 mm (6.1 in)
2025	212.8 mm (8.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Zanzibar, 1973 to 2025. The record is 26 days in 2003, marked on the chart; the median year is 3 days.

Longest dry spell (CDD) at Zanzibar by year
Year	Longest dry spell (CDD)
1973	1 day
1974	2 days
1975	1 day
1976	2 days
1977	3 days
1978	2 days
1979	2 days
1980	2 days
1981	1 day
1982	1 day
1983	1 day
1984	2 days
1985	1 day
1986	2 days
1987	5 days
1988	4 days
1989	5 days
1990	2 days
1991	3 days
1992	1 day
1993	4 days
1994	2 days
1995	2 days
1996	3 days
1997	5 days
1998	2 days
1999	n/a
2002	6 days
2003	26 days
2004	13 days
2005	9 days
2006	3 days
2007	3 days
2008	4 days
2009	4 days
2010	3 days
2011	4 days
2012	4 days
2013	3 days
2014	3 days
2015	4 days
2016	3 days
2017	5 days
2018	5 days
2019	3 days
2020	4 days
2021	4 days
2022	3 days
2023	4 days
2024	5 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 Zanzibar standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Zanzibar 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).