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
Record highRecord low2026 daily maximum2026 daily minimum
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
Year with most
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
Complete yearUnder 90 percent of days
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.
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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.