Ahwaz Weather Records (IRM00040811)

Record envelope, standing records and threshold days for Ahwaz (IRM00040811), Iran, with 53 years of record.

Key Facts for Ahwaz

Ahwaz (IRM00040811) is a weather station in Iran at 31.34 latitude and 48.76 longitude, 20 m (66 ft) above sea level.
The station reports from 1973 to 2025, 53 years of record.
1,464 records set at Ahwaz still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Ahwaz tied a daily record precipitation of 2.3 mm (0.09 in) on 5 May 2025.

About the Station

Location: Iran, 31.34 latitude, 48.76 longitude.
Elevation: 20 m (66 ft).
Period of record: 1973 to 2025, 53 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

28 days at or beyond a record

The band shows the record high and record low for each calendar day at Ahwaz. The lines show the 2026 daily maximum and minimum. 28 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Ahwaz, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	26.3 C (79.3 F)	-4.0 C (24.8 F)	24.2 C (75.6 F)	4.5 C (40.1 F)
Feb	30.4 C (86.7 F)	-3.6 C (25.5 F)	27.4 C (81.3 F)	3.0 C (37.4 F)
Mar	40.5 C (104.9 F)	0.2 C (32.4 F)	36.6 C (97.9 F)	3.3 C (37.9 F)
Apr	42.6 C (108.7 F)	8.6 C (47.5 F)	40.1 C (104.2 F)	16.0 C (60.8 F)
May	49.5 C (121.1 F)	16.4 C (61.5 F)	49.5 C (121.1 F)	20.8 C (69.4 F)
Jun	52.9 C (127.2 F)	22.6 C (72.7 F)	46.9 C (116.4 F)	24.3 C (75.7 F)
Jul	52.4 C (126.3 F)	21.5 C (70.7 F)	51.2 C (124.2 F)	26.8 C (80.2 F)
Aug	51.6 C (124.9 F)	23.0 C (73.4 F)	49.5 C (121.1 F)	27.5 C (81.5 F)
Sep	48.7 C (119.7 F)	18.4 C (65.1 F)	n/a	n/a
Oct	43.4 C (110.1 F)	11.6 C (52.9 F)	n/a	n/a
Nov	36.4 C (97.5 F)	3.0 C (37.4 F)	n/a	n/a
Dec	29.7 C (85.5 F)	-3.5 C (25.7 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ahwaz still stand. 2024 holds the most, with 67.

Standing records at Ahwaz by the year they were set
Year set	Standing records
1973	3
1974	3
1975	2
1976	3
1977	1
1978	11
1980	2
1989	3
1990	11
1991	35
1992	44
1993	4
1994	2
1997	2
1998	2
1999	8
2000	58
2001	39
2002	33
2003	8
2004	33
2005	53
2006	52
2007	46
2008	56
2009	51
2010	58
2011	66
2012	58
2013	66
2014	57
2015	39
2016	61
2017	51
2018	55
2019	46
2020	52
2021	62
2022	60
2023	55
2024	67
2025	46

Wettest Day of Each Month

Nov: 210.3 mm (8.3 in)

The wettest day on record for each calendar month at Ahwaz. The most was 210.3 mm (8.3 in) on 16 November 2005.

Record daily precipitation for each month at Ahwaz
Month	Record daily precipitation (mm)	Date
Jan	102.1 mm (4.0 in)	21 January 1991
Feb	43.4 mm (1.7 in)	9 February 2011
Mar	53.1 mm (2.1 in)	29 March 1997
Apr	52.1 mm (2.1 in)	23 April 1992
May	35.6 mm (1.4 in)	3 May 2024
Jun	70.1 mm (2.8 in)	25 June 2010
Jul	50.0 mm (2.0 in)	8 July 1992
Aug	59.9 mm (2.4 in)	10 August 2005
Sep	183.4 mm (7.2 in)	21 September 2001
Oct	59.2 mm (2.3 in)	29 October 2019
Nov	210.3 mm (8.3 in)	16 November 2005
Dec	73.9 mm (2.9 in)	17 December 2019

Period of Record Coverage

1973 to 2025

44 years of record at Ahwaz, 1973 to 2025. 40 years have data for under 90 percent of days and are left out of rankings: 1973, 1974, 1975, 1976, 1977, 1978, 1980, 1989 and others.

Days with data per year at Ahwaz
Year	Days with data	Share of year	Complete
1973	6	2%	No
1974	6	2%	No
1975	2	1%	No
1976	6	2%	No
1977	9	2%	No
1978	15	4%	No
1980	4	1%	No
1989	8	2%	No
1990	30	8%	No
1991	92	25%	No
1992	88	24%	No
1993	3	1%	No
1994	7	2%	No
1995	12	3%	No
1996	4	1%	No
1997	5	1%	No
1998	4	1%	No
1999	73	20%	No
2000	221	60%	No
2001	251	69%	No
2002	273	75%	No
2003	43	12%	No
2004	184	50%	No
2005	330	90%	Yes
2006	309	85%	No
2007	332	91%	Yes
2008	328	90%	No
2009	307	84%	No
2010	310	85%	No
2011	330	90%	Yes
2012	337	92%	Yes
2013	316	87%	No
2014	298	82%	No
2015	322	88%	No
2016	276	75%	No
2017	257	70%	No
2018	261	72%	No
2019	268	73%	No
2020	226	62%	No
2021	251	69%	No
2022	266	73%	No
2023	273	75%	No
2024	282	77%	No
2025	149	41%	No

Latest Records

Latest records at Ahwaz
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 May 2025	Ahwaz, IR	daily rain (Tie)	2.3 mm (0.09 in)	tie	6 years	1 of 100 (Routine)
6 April 2025	Ahwaz, IR	daily rain	2.0 mm (0.08 in)	0.7 mm (0.03 in)	16 years	7 of 100 (Routine)
21 March 2025	Ahwaz, IR	daily rain	12.2 mm (0.5 in)	10.7 mm (0.4 in)	2 years	15 of 100 (Routine)
27 November 2024	Ahwaz, IR	daily rain	7.6 mm (0.30 in)	3.5 mm (0.14 in)	7 years	6 of 100 (Routine)
13 May 2024	Ahwaz, IR	daily rain	1.5 mm (0.06 in)	1.5 mm (0.06 in)	34 years	14 of 100 (Routine)
3 May 2024	Ahwaz, IR	monthly rain	35.6 mm (1.4 in)	19.3 mm (0.8 in)	0 years	32 of 100 (Routine)
2 May 2024	Ahwaz, IR	monthly rain	16.3 mm (0.6 in)	3.1 mm (0.12 in)	11 years	19 of 100 (Routine)
16 April 2024	Ahwaz, IR	daily rain (Tie)	0.3 mm (0.01 in)	tie	6 years	1 of 100 (Routine)
10 April 2024	Ahwaz, IR	daily rain (Tie)	0.3 mm (0.01 in)	tie	19 years	2 of 100 (Routine)
24 March 2024	Ahwaz, IR	daily rain	28.7 mm (1.1 in)	17.8 mm (0.7 in)	7 years	28 of 100 (Routine)
19 March 2024	Ahwaz, IR	daily rain	36.3 mm (1.4 in)	29.7 mm (1.2 in)	9 years	43 of 100 (Notable)
16 March 2024	Ahwaz, IR	daily rain	14.7 mm (0.6 in)	14.7 mm (0.6 in)	30 years	20 of 100 (Routine)
11 March 2024	Ahwaz, IR	daily rain	9.9 mm (0.39 in)	3.8 mm (0.15 in)	30 years	16 of 100 (Routine)
16 February 2024	Ahwaz, IR	daily rain	5.8 mm (0.23 in)	2.5 mm (0.10 in)	14 years	10 of 100 (Routine)

Extremes by Year

1973 to 2025

Yearly extremes at Ahwaz: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	52.9 C (127.2 F)	2017	50.0 C (122.0 F)	44
Coldest night (TNn)	-4.0 C (24.8 F)	2009	3.4 C (38.1 F)	44
Wettest day (Rx1day)	210.3 mm (8.3 in)	2005	34.8 mm (1.4 in)	37
Wettest five days (Rx5day)	253.9 mm (10.0 in)	2010	45.8 mm (1.8 in)	36
Longest dry spell (CDD)	216 days	2016	55 days	37

Hottest day (TXx)

The hottest day of the year at Ahwaz, 1973 to 2025. The record is 52.9 C (127.2 F) in 2017, marked on the chart; the median year is 50.0 C (122.0 F).

Hottest day (TXx) at Ahwaz by year
Year	Hottest day (TXx)
1973	49.0 C (120.2 F)
1974	44.0 C (111.2 F)
1975	34.0 C (93.2 F)
1976	47.0 C (116.6 F)
1977	46.0 C (114.8 F)
1978	46.0 C (114.8 F)
1980	47.0 C (116.6 F)
1989	38.4 C (101.1 F)
1990	47.4 C (117.3 F)
1991	48.0 C (118.4 F)
1992	46.6 C (115.9 F)
1993	44.6 C (112.3 F)
1994	46.0 C (114.8 F)
1995	46.8 C (116.2 F)
1996	47.2 C (117.0 F)
1997	42.0 C (107.6 F)
1998	47.0 C (116.6 F)
1999	42.8 C (109.0 F)
2000	52.2 C (126.0 F)
2001	51.6 C (124.9 F)
2002	50.0 C (122.0 F)
2003	46.4 C (115.5 F)
2004	50.4 C (122.7 F)
2005	50.4 C (122.7 F)
2006	50.0 C (122.0 F)
2007	49.2 C (120.6 F)
2008	50.8 C (123.4 F)
2009	49.6 C (121.3 F)
2010	50.4 C (122.7 F)
2011	51.6 C (124.9 F)
2012	51.0 C (123.8 F)
2013	50.4 C (122.7 F)
2014	50.6 C (123.1 F)
2015	50.4 C (122.7 F)
2016	50.4 C (122.7 F)
2017	52.9 C (127.2 F)
2018	52.4 C (126.3 F)
2019	50.0 C (122.0 F)
2020	51.5 C (124.7 F)
2021	51.2 C (124.2 F)
2022	51.6 C (124.9 F)
2023	50.8 C (123.4 F)
2024	51.3 C (124.3 F)
2025	51.2 C (124.2 F)

Coldest night (TNn)

The coldest night of the year at Ahwaz, 1973 to 2025. The record is -4.0 C (24.8 F) in 2009, marked on the chart; the median year is 3.4 C (38.1 F).

Coldest night (TNn) at Ahwaz by year
Year	Coldest night (TNn)
1973	1.0 C (33.8 F)
1974	7.0 C (44.6 F)
1975	9.0 C (48.2 F)
1976	6.0 C (42.8 F)
1977	11.0 C (51.8 F)
1978	10.0 C (50.0 F)
1980	23.0 C (73.4 F)
1989	11.5 C (52.7 F)
1990	4.0 C (39.2 F)
1991	6.0 C (42.8 F)
1992	1.4 C (34.5 F)
1993	3.9 C (39.0 F)
1994	-3.6 C (25.5 F)
1995	11.4 C (52.5 F)
1996	8.4 C (47.1 F)
1997	0.6 C (33.1 F)
1998	0.9 C (33.6 F)
1999	3.8 C (38.8 F)
2000	-3.5 C (25.7 F)
2001	3.4 C (38.1 F)
2002	5.0 C (41.0 F)
2003	-2.6 C (27.3 F)
2004	2.5 C (36.5 F)
2005	3.5 C (38.3 F)
2006	1.0 C (33.8 F)
2007	-1.8 C (28.8 F)
2008	1.6 C (34.9 F)
2009	-4.0 C (24.8 F)
2010	3.0 C (37.4 F)
2011	3.8 C (38.8 F)
2012	-1.2 C (29.8 F)
2013	2.8 C (37.0 F)
2014	4.0 C (39.2 F)
2015	4.0 C (39.2 F)
2016	2.0 C (35.6 F)
2017	0.4 C (32.7 F)
2018	3.5 C (38.3 F)
2019	2.9 C (37.2 F)
2020	-1.2 C (29.8 F)
2021	3.5 C (38.3 F)
2022	0.6 C (33.1 F)
2023	3.8 C (38.8 F)
2024	3.4 C (38.1 F)
2025	3.0 C (37.4 F)

Wettest day (Rx1day)

The wettest day of the year at Ahwaz, 1973 to 2025. The record is 210.3 mm (8.3 in) in 2005, marked on the chart; the median year is 34.8 mm (1.4 in).

Wettest day (Rx1day) at Ahwaz by year
Year	Wettest day (Rx1day)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1980	n/a
1989	0.3 mm (0.01 in)
1990	0.0 mm (0.00 in)
1991	102.1 mm (4.0 in)
1992	52.1 mm (2.1 in)
1993	10.7 mm (0.4 in)
1994	50.0 mm (2.0 in)
1995	10.4 mm (0.4 in)
1996	51.1 mm (2.0 in)
1997	62.0 mm (2.4 in)
1998	16.0 mm (0.6 in)
1999	4.3 mm (0.17 in)
2000	19.8 mm (0.8 in)
2001	183.4 mm (7.2 in)
2002	22.1 mm (0.9 in)
2003	65.0 mm (2.6 in)
2004	33.5 mm (1.3 in)
2005	210.3 mm (8.3 in)
2006	34.8 mm (1.4 in)
2007	50.0 mm (2.0 in)
2008	15.0 mm (0.6 in)
2009	38.9 mm (1.5 in)
2010	70.1 mm (2.8 in)
2011	43.4 mm (1.7 in)
2012	41.9 mm (1.6 in)
2013	30.2 mm (1.2 in)
2014	27.7 mm (1.1 in)
2015	39.9 mm (1.6 in)
2016	26.9 mm (1.1 in)
2017	15.2 mm (0.6 in)
2018	47.8 mm (1.9 in)
2019	73.9 mm (2.9 in)
2020	31.0 mm (1.2 in)
2021	18.3 mm (0.7 in)
2022	33.5 mm (1.3 in)
2023	38.6 mm (1.5 in)
2024	36.3 mm (1.4 in)
2025	13.7 mm (0.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ahwaz, 1973 to 2025. The record is 253.9 mm (10.0 in) in 2010, marked on the chart; the median year is 45.8 mm (1.8 in).

Wettest five days (Rx5day) at Ahwaz by year
Year	Wettest five days (Rx5day)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1980	n/a
1989	n/a
1990	0.0 mm (0.00 in)
1991	0.0 mm (0.00 in)
1992	20.1 mm (0.8 in)
1993	7.9 mm (0.31 in)
1994	50.0 mm (2.0 in)
1995	7.1 mm (0.28 in)
1996	31.4 mm (1.2 in)
1997	66.1 mm (2.6 in)
1998	5.1 mm (0.20 in)
1999	2.5 mm (0.10 in)
2000	17.0 mm (0.7 in)
2001	183.4 mm (7.2 in)
2002	22.9 mm (0.9 in)
2003	78.2 mm (3.1 in)
2004	46.3 mm (1.8 in)
2005	226.0 mm (8.9 in)
2006	40.7 mm (1.6 in)
2007	50.0 mm (2.0 in)
2008	25.9 mm (1.0 in)
2009	47.5 mm (1.9 in)
2010	253.9 mm (10.0 in)
2011	45.2 mm (1.8 in)
2012	71.9 mm (2.8 in)
2013	40.6 mm (1.6 in)
2014	34.3 mm (1.4 in)
2015	48.3 mm (1.9 in)
2016	50.3 mm (2.0 in)
2017	23.6 mm (0.9 in)
2018	86.7 mm (3.4 in)
2019	75.5 mm (3.0 in)
2020	58.1 mm (2.3 in)
2021	16.2 mm (0.6 in)
2022	60.7 mm (2.4 in)
2023	62.5 mm (2.5 in)
2024	69.5 mm (2.7 in)
2025	25.9 mm (1.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ahwaz, 1973 to 2025. The record is 216 days in 2016, marked on the chart; the median year is 55 days.

Longest dry spell (CDD) at Ahwaz by year
Year	Longest dry spell (CDD)
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1980	n/a
1989	3 days
1990	5 days
1991	9 days
1992	12 days
1993	9 days
1994	7 days
1995	15 days
1996	21 days
1997	11 days
1998	8 days
1999	7 days
2000	60 days
2001	32 days
2002	44 days
2003	30 days
2004	51 days
2005	57 days
2006	150 days
2007	66 days
2008	53 days
2009	33 days
2010	77 days
2011	66 days
2012	79 days
2013	71 days
2014	32 days
2015	68 days
2016	216 days
2017	154 days
2018	75 days
2019	148 days
2020	191 days
2021	80 days
2022	160 days
2023	159 days
2024	90 days
2025	55 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 Ahwaz standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ahwaz 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).