Record envelope, standing records and threshold days for Kermanshah (IR000407660), Iran, with 75 years of record.
Key Facts for Kermanshah
Kermanshah (IR000407660) is a weather station in Iran at 34.27 latitude and 47.12 longitude, 1,322 m (4,337 ft) above sea level.
The station reports from 1951 to 2025, 75 years of record.
1,464 records set at Kermanshah still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Kermanshah set a daily record high maximum temperature of 41.3 C (106.3 F) on 21 August 2025.
About the Station
Location: Iran, 34.27 latitude, 47.12 longitude.
Elevation: 1,322 m (4,337 ft).
Period of record: 1951 to 2025, 75 years.
Eligible elements: tmax, tmin, prcp.
Daily Record Envelope and 2026
20 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 Kermanshah. The lines show the 2026 daily maximum and minimum. 20 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Kermanshah, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
20.2 C (68.4 F)
-24.0 C (-11.2 F)
13.6 C (56.5 F)
-7.0 C (19.4 F)
Feb
21.8 C (71.2 F)
-27.0 C (-16.6 F)
16.2 C (61.2 F)
-9.6 C (14.7 F)
Mar
28.2 C (82.8 F)
-11.3 C (11.7 F)
23.6 C (74.5 F)
-7.3 C (18.9 F)
Apr
34.0 C (93.2 F)
-6.1 C (21.0 F)
29.5 C (85.1 F)
1.4 C (34.5 F)
May
38.5 C (101.3 F)
-1.0 C (30.2 F)
36.2 C (97.2 F)
6.7 C (44.1 F)
Jun
43.0 C (109.4 F)
2.0 C (35.6 F)
37.4 C (99.3 F)
10.3 C (50.5 F)
Jul
44.1 C (111.4 F)
8.0 C (46.4 F)
43.1 C (109.6 F)
13.2 C (55.8 F)
Aug
44.0 C (111.2 F)
8.0 C (46.4 F)
43.3 C (109.9 F)
16.5 C (61.7 F)
Sep
40.4 C (104.7 F)
1.2 C (34.2 F)
n/a
n/a
Oct
36.0 C (96.8 F)
-3.5 C (25.7 F)
n/a
n/a
Nov
28.4 C (83.1 F)
-17.0 C (1.4 F)
n/a
n/a
Dec
25.4 C (77.7 F)
-17.0 C (1.4 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Kermanshah still stand. 1998 holds the most, with 51.
Standing records at Kermanshah by the year they were set
Year set
Standing records
1951
24
1952
27
1953
20
1954
8
1955
18
1956
27
1957
36
1958
29
1959
44
1960
22
1961
15
1962
5
1963
30
1964
42
1965
24
1966
30
1967
20
1968
13
1969
32
1970
22
1971
16
1972
20
1973
35
1974
32
1975
15
1976
14
1977
29
1978
19
1979
16
1980
12
1981
16
1982
24
1983
12
1984
18
1985
18
1986
11
1987
18
1988
24
1989
27
1990
17
1991
12
1992
29
1993
9
1994
18
1995
19
1996
9
1997
16
1998
51
1999
25
2000
20
2001
24
2002
17
2003
18
2004
24
2005
29
2006
21
2007
9
2008
30
2009
15
2010
17
2011
12
2012
8
2013
8
2015
27
2016
11
2017
9
2018
14
2019
6
2020
3
2021
17
2022
16
2023
4
2024
9
2025
27
All-Time Record Progression
3 new records
3 all-time records were set at Kermanshah between 21 July 1989 and 13 July 1998. Each dot is a new record.
When Kermanshah set new all-time records
Date
Kind
Detail
1989-07-21
Record high minimum temperature
Record high minimum temperature 27.8 C (82.0 F)
1993-07-17
Record high minimum temperature
Record high minimum temperature 28.0 C (82.4 F)
1998-07-13
Record high maximum temperature
Record high maximum temperature 44.1 C (111.4 F)
Wettest Day of Each Month
Apr: 99.1 mm (3.9 in)
The wettest day on record for each calendar month at Kermanshah. The most was 99.1 mm (3.9 in) on 17 April 1997.
Record daily precipitation for each month at Kermanshah
Month
Record daily precipitation (mm)
Date
Jan
50.0 mm (2.0 in)
23 January 2006
Feb
73.7 mm (2.9 in)
26 February 2020
Mar
53.3 mm (2.1 in)
20 March 2017
Apr
99.1 mm (3.9 in)
17 April 1997
May
62.2 mm (2.4 in)
4 May 2009
Jun
52.1 mm (2.1 in)
25 June 1991
Jul
50.0 mm (2.0 in)
22 July 1991
Aug
8.9 mm (0.35 in)
26 August 1991
Sep
27.4 mm (1.1 in)
24 September 2001
Oct
63.2 mm (2.5 in)
29 October 2015
Nov
52.1 mm (2.1 in)
2 November 1993
Dec
55.9 mm (2.2 in)
3 December 2019
Period of Record Coverage
1951 to 2025
Complete yearUnder 90 percent of days
75 years of record at Kermanshah, 1951 to 2025. 17 years have data for under 90 percent of days and are left out of rankings: 1962, 2010, 2011, 2012, 2013, 2014, 2015, 2016 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 55 complete years at Kermanshah, 1951 to 2007. Blue stripes are years cooler than the station's own mean of 14.3 C (57.7 F); red stripes are warmer. The coolest year was 1972, at 12.6 C (54.6 F), and the warmest was 1999, at 16.2 C (61.1 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at Kermanshah as warming stripes, 1951 to 2007
Year
Annual mean temperature
Difference from the station mean
1951
13.5 C
-0.79 C
1952
13.8 C
-0.48 C
1953
13.5 C
-0.79 C
1954
14.1 C
-0.25 C
1955
13.8 C
-0.49 C
1956
13.9 C
-0.38 C
1957
13.1 C
-1.17 C
1958
14.8 C
+0.47 C
1959
13.4 C
-0.93 C
1960
14.3 C
+0.00 C
1961
14.2 C
-0.15 C
1963
14.2 C
-0.06 C
1964
12.8 C
-1.54 C
1965
14.0 C
-0.31 C
1966
14.6 C
+0.33 C
1967
12.9 C
-1.37 C
1968
13.4 C
-0.88 C
1969
14.1 C
-0.21 C
1970
14.2 C
-0.09 C
1971
13.6 C
-0.68 C
1972
12.6 C
-1.72 C
1973
14.1 C
-0.23 C
1974
13.3 C
-1.02 C
1975
13.3 C
-0.97 C
1976
13.7 C
-0.61 C
1977
14.1 C
-0.19 C
1978
14.7 C
+0.42 C
1980
14.1 C
-0.19 C
1981
14.4 C
+0.11 C
1982
13.1 C
-1.19 C
1983
13.7 C
-0.56 C
1984
14.5 C
+0.24 C
1985
14.2 C
-0.09 C
1986
14.1 C
-0.16 C
1987
14.8 C
+0.53 C
1988
14.4 C
+0.11 C
1989
13.5 C
-0.84 C
1990
14.4 C
+0.14 C
1991
15.0 C
+0.74 C
1992
13.0 C
-1.32 C
1993
14.3 C
+0.04 C
1994
15.1 C
+0.77 C
1995
14.9 C
+0.58 C
1996
15.6 C
+1.28 C
1997
14.7 C
+0.41 C
1998
15.9 C
+1.56 C
1999
16.2 C
+1.86 C
2000
15.5 C
+1.16 C
2001
16.0 C
+1.74 C
2002
15.4 C
+1.05 C
2003
15.5 C
+1.23 C
2004
15.4 C
+1.06 C
2005
15.4 C
+1.11 C
2006
15.8 C
+1.51 C
2007
15.3 C
+1.01 C
The annual mean temperature here has risen by 0.4 C (0.3 to 0.5) per decade over 1951 to 2007. In Fahrenheit: 0.6 F (0.5 to 0.8) per decade. The slope is a straight line fitted to 55 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Kermanshah
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.4 C (0.3 to 0.5) per decade
0.6 F (0.5 to 0.8) per decade
1951 to 2007
55
Rise
Mean daily maximum
0.3 C (0.2 to 0.5) per decade
0.6 F (0.3 to 0.8) per decade
1951 to 2007
55
Rise
Mean daily minimum
0.4 C (0.3 to 0.5) per decade
0.7 F (0.6 to 0.9) per decade
1951 to 2007
55
Rise
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1951 to 2025
Yearly extremes at Kermanshah: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
44.1 C (111.4 F)
1998
42.0 C (107.6 F)
75
Coldest night (TNn)
-27.0 C (-16.6 F)
1974
-11.2 C (11.8 F)
75
Wettest day (Rx1day)
99.1 mm (3.9 in)
1997
40.4 mm (1.6 in)
37
Wettest five days (Rx5day)
131.5 mm (5.2 in)
2015
52.1 mm (2.1 in)
37
Longest dry spell (CDD)
180 days
2017
38 days
37
Hottest day (TXx)
The hottest day of the year at Kermanshah, 1951 to 2025. The record is 44.1 C (111.4 F) in 1998, marked on the chart; the median year is 42.0 C (107.6 F).
Hottest day (TXx) at Kermanshah by year
Year
Hottest day (TXx)
1951
42.0 C (107.6 F)
1952
40.0 C (104.0 F)
1953
41.0 C (105.8 F)
1954
39.0 C (102.2 F)
1955
41.0 C (105.8 F)
1956
42.0 C (107.6 F)
1957
42.0 C (107.6 F)
1958
41.0 C (105.8 F)
1959
42.0 C (107.6 F)
1960
43.0 C (109.4 F)
1961
43.0 C (109.4 F)
1962
43.0 C (109.4 F)
1963
41.0 C (105.8 F)
1964
44.0 C (111.2 F)
1965
42.0 C (107.6 F)
1966
42.0 C (107.6 F)
1967
41.0 C (105.8 F)
1968
39.0 C (102.2 F)
1969
44.0 C (111.2 F)
1970
41.0 C (105.8 F)
1971
41.0 C (105.8 F)
1972
40.0 C (104.0 F)
1973
44.0 C (111.2 F)
1974
40.0 C (104.0 F)
1975
43.0 C (109.4 F)
1976
43.0 C (109.4 F)
1977
42.0 C (107.6 F)
1978
41.0 C (105.8 F)
1979
41.0 C (105.8 F)
1980
40.0 C (104.0 F)
1981
44.0 C (111.2 F)
1982
39.8 C (103.6 F)
1983
42.5 C (108.5 F)
1984
40.5 C (104.9 F)
1985
40.0 C (104.0 F)
1986
40.7 C (105.3 F)
1987
40.0 C (104.0 F)
1988
41.6 C (106.9 F)
1989
42.0 C (107.6 F)
1990
42.9 C (109.2 F)
1991
42.6 C (108.7 F)
1992
40.2 C (104.4 F)
1993
41.4 C (106.5 F)
1994
40.5 C (104.9 F)
1995
43.7 C (110.7 F)
1996
41.3 C (106.3 F)
1997
43.0 C (109.4 F)
1998
44.1 C (111.4 F)
1999
42.7 C (108.9 F)
2000
42.2 C (108.0 F)
2001
42.8 C (109.0 F)
2002
42.2 C (108.0 F)
2003
43.1 C (109.6 F)
2004
42.3 C (108.1 F)
2005
42.6 C (108.7 F)
2006
42.0 C (107.6 F)
2007
41.0 C (105.8 F)
2008
43.0 C (109.4 F)
2009
41.0 C (105.8 F)
2010
42.6 C (108.7 F)
2011
43.6 C (110.5 F)
2012
40.6 C (105.1 F)
2013
42.7 C (108.9 F)
2014
42.2 C (108.0 F)
2015
42.5 C (108.5 F)
2016
42.3 C (108.1 F)
2017
40.8 C (105.4 F)
2018
42.8 C (109.0 F)
2019
43.2 C (109.8 F)
2020
42.7 C (108.9 F)
2021
42.6 C (108.7 F)
2022
42.6 C (108.7 F)
2023
42.6 C (108.7 F)
2024
42.2 C (108.0 F)
2025
43.3 C (109.9 F)
Coldest night (TNn)
The coldest night of the year at Kermanshah, 1951 to 2025. The record is -27.0 C (-16.6 F) in 1974, marked on the chart; the median year is -11.2 C (11.8 F).
Coldest night (TNn) at Kermanshah by year
Year
Coldest night (TNn)
1951
-16.0 C (3.2 F)
1952
-13.0 C (8.6 F)
1953
-16.0 C (3.2 F)
1954
-8.0 C (17.6 F)
1955
-7.0 C (19.4 F)
1956
-13.0 C (8.6 F)
1957
-21.0 C (-5.8 F)
1958
-15.0 C (5.0 F)
1959
-21.0 C (-5.8 F)
1960
-8.0 C (17.6 F)
1961
-8.0 C (17.6 F)
1962
-7.0 C (19.4 F)
1963
-12.0 C (10.4 F)
1964
-19.0 C (-2.2 F)
1965
-11.0 C (12.2 F)
1966
-10.0 C (14.0 F)
1967
-13.0 C (8.6 F)
1968
-20.0 C (-4.0 F)
1969
-14.0 C (6.8 F)
1970
-9.0 C (15.8 F)
1971
-17.0 C (1.4 F)
1972
-13.0 C (8.6 F)
1973
-21.0 C (-5.8 F)
1974
-27.0 C (-16.6 F)
1975
-18.0 C (-0.4 F)
1976
-13.0 C (8.6 F)
1977
-24.0 C (-11.2 F)
1978
-9.0 C (15.8 F)
1979
-15.0 C (5.0 F)
1980
-18.0 C (-0.4 F)
1981
-7.0 C (19.4 F)
1982
-19.6 C (-3.3 F)
1983
-12.2 C (10.0 F)
1984
-9.4 C (15.1 F)
1985
-12.0 C (10.4 F)
1986
-10.5 C (13.1 F)
1987
-8.6 C (16.5 F)
1988
-15.5 C (4.1 F)
1989
-23.8 C (-10.8 F)
1990
-24.0 C (-11.2 F)
1991
-10.2 C (13.6 F)
1992
-18.2 C (-0.8 F)
1993
-14.4 C (6.1 F)
1994
-11.6 C (11.1 F)
1995
-10.1 C (13.8 F)
1996
-13.0 C (8.6 F)
1997
-13.7 C (7.3 F)
1998
-13.2 C (8.2 F)
1999
-9.6 C (14.7 F)
2000
-11.0 C (12.2 F)
2001
-10.8 C (12.6 F)
2002
-10.8 C (12.6 F)
2003
-7.6 C (18.3 F)
2004
-9.2 C (15.4 F)
2005
-17.0 C (1.4 F)
2006
-11.0 C (12.2 F)
2007
-10.0 C (14.0 F)
2008
-19.0 C (-2.2 F)
2009
-13.0 C (8.6 F)
2010
-8.5 C (16.7 F)
2011
-9.7 C (14.5 F)
2012
-11.2 C (11.8 F)
2013
-9.5 C (14.9 F)
2014
-10.6 C (12.9 F)
2015
-8.2 C (17.2 F)
2016
-8.6 C (16.5 F)
2017
-9.6 C (14.7 F)
2018
-8.2 C (17.2 F)
2019
-8.6 C (16.5 F)
2020
-12.4 C (9.7 F)
2021
-7.6 C (18.3 F)
2022
-11.1 C (12.0 F)
2023
-8.0 C (17.6 F)
2024
-8.3 C (17.1 F)
2025
-9.6 C (14.7 F)
Wettest day (Rx1day)
The wettest day of the year at Kermanshah, 1951 to 2025. The record is 99.1 mm (3.9 in) in 1997, marked on the chart; the median year is 40.4 mm (1.6 in).
Wettest day (Rx1day) at Kermanshah by year
Year
Wettest day (Rx1day)
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
1974
n/a
1975
n/a
1976
n/a
1977
n/a
1978
n/a
1979
n/a
1980
n/a
1981
n/a
1982
n/a
1983
n/a
1984
n/a
1985
n/a
1986
n/a
1987
n/a
1988
n/a
1989
14.0 mm (0.6 in)
1990
50.0 mm (2.0 in)
1991
52.1 mm (2.1 in)
1992
45.0 mm (1.8 in)
1993
52.1 mm (2.1 in)
1994
34.0 mm (1.3 in)
1995
25.9 mm (1.0 in)
1996
27.2 mm (1.1 in)
1997
99.1 mm (3.9 in)
1998
16.0 mm (0.6 in)
1999
25.9 mm (1.0 in)
2000
34.8 mm (1.4 in)
2001
27.4 mm (1.1 in)
2002
45.2 mm (1.8 in)
2003
43.4 mm (1.7 in)
2004
36.1 mm (1.4 in)
2005
33.0 mm (1.3 in)
2006
72.6 mm (2.9 in)
2007
28.7 mm (1.1 in)
2008
29.0 mm (1.1 in)
2009
62.2 mm (2.4 in)
2010
23.4 mm (0.9 in)
2011
46.5 mm (1.8 in)
2012
45.0 mm (1.8 in)
2013
32.8 mm (1.3 in)
2014
31.5 mm (1.2 in)
2015
63.2 mm (2.5 in)
2016
43.4 mm (1.7 in)
2017
53.3 mm (2.1 in)
2018
44.7 mm (1.8 in)
2019
58.7 mm (2.3 in)
2020
73.7 mm (2.9 in)
2021
38.4 mm (1.5 in)
2022
30.5 mm (1.2 in)
2023
40.4 mm (1.6 in)
2024
40.4 mm (1.6 in)
2025
28.7 mm (1.1 in)
Wettest five days (Rx5day)
The wettest five days of the year at Kermanshah, 1951 to 2025. The record is 131.5 mm (5.2 in) in 2015, marked on the chart; the median year is 52.1 mm (2.1 in).
Wettest five days (Rx5day) at Kermanshah by year
Year
Wettest five days (Rx5day)
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
1974
n/a
1975
n/a
1976
n/a
1977
n/a
1978
n/a
1979
n/a
1980
n/a
1981
n/a
1982
n/a
1983
n/a
1984
n/a
1985
n/a
1986
n/a
1987
n/a
1988
n/a
1989
0.0 mm (0.00 in)
1990
0.0 mm (0.00 in)
1991
52.1 mm (2.1 in)
1992
37.1 mm (1.5 in)
1993
2.0 mm (0.08 in)
1994
3.0 mm (0.12 in)
1995
11.7 mm (0.5 in)
1996
30.5 mm (1.2 in)
1997
20.9 mm (0.8 in)
1998
25.9 mm (1.0 in)
1999
6.9 mm (0.27 in)
2000
13.2 mm (0.5 in)
2001
37.8 mm (1.5 in)
2002
34.8 mm (1.4 in)
2003
56.4 mm (2.2 in)
2004
43.7 mm (1.7 in)
2005
80.7 mm (3.2 in)
2006
91.5 mm (3.6 in)
2007
76.2 mm (3.0 in)
2008
48.0 mm (1.9 in)
2009
63.8 mm (2.5 in)
2010
42.0 mm (1.7 in)
2011
50.3 mm (2.0 in)
2012
70.9 mm (2.8 in)
2013
44.4 mm (1.7 in)
2014
52.8 mm (2.1 in)
2015
131.5 mm (5.2 in)
2016
107.0 mm (4.2 in)
2017
108.1 mm (4.3 in)
2018
75.1 mm (3.0 in)
2019
100.1 mm (3.9 in)
2020
83.4 mm (3.3 in)
2021
58.9 mm (2.3 in)
2022
73.4 mm (2.9 in)
2023
70.9 mm (2.8 in)
2024
61.7 mm (2.4 in)
2025
75.5 mm (3.0 in)
Longest dry spell (CDD)
The longest dry spell of the year at Kermanshah, 1951 to 2025. The record is 180 days in 2017, marked on the chart; the median year is 38 days.
Longest dry spell (CDD) at Kermanshah by year
Year
Longest dry spell (CDD)
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
1974
n/a
1975
n/a
1976
n/a
1977
n/a
1978
n/a
1979
n/a
1980
n/a
1981
n/a
1982
n/a
1983
n/a
1984
n/a
1985
n/a
1986
n/a
1987
n/a
1988
n/a
1989
6 days
1990
10 days
1991
17 days
1992
12 days
1993
5 days
1994
12 days
1995
21 days
1996
19 days
1997
12 days
1998
12 days
1999
7 days
2000
27 days
2001
16 days
2002
40 days
2003
54 days
2004
36 days
2005
45 days
2006
96 days
2007
36 days
2008
42 days
2009
20 days
2010
41 days
2011
28 days
2012
51 days
2013
44 days
2014
61 days
2015
32 days
2016
167 days
2017
180 days
2018
105 days
2019
151 days
2020
107 days
2021
109 days
2022
128 days
2023
112 days
2024
62 days
2025
38 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.
Frost Dates and Growing Season
55 years with a frost
Across 55 years with a frost, the median last spring frost at Kermanshah falls on 7 April and the median first autumn frost on 5 November, which leaves a median of 211 days between them.
Fitted over all years, the growing season changes by +3.4 days per decade at this station.
Frost dates and growing season at Kermanshah
Measure
Median, all years
Earliest period
Recent period (1977 to 2007)
Recent against earliest
Fitted trend
Last spring frost
7 April
n/a
6 April
n/a
-0.9 days per decade
First autumn frost
5 November
n/a
7 November
n/a
+2.5 days per decade
Growing days
211 days
n/a
219 days
n/a
+3.4 days per decade
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Download the Data
Data for Kermanshah standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Kermanshah 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.