Bojnord Weather Records (IRM00040723)

Record envelope, standing records and threshold days for Bojnord (IRM00040723), Iran, with 48 years of record.

Key Facts for Bojnord

Bojnord (IRM00040723) is a weather station in Iran at 37.49 latitude and 57.31 longitude, 1,080 m (3,543 ft) above sea level.
The station reports from 1978 to 2025, 48 years of record.
1,464 records set at Bojnord still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Iran, 37.49 latitude, 57.31 longitude.
Elevation: 1,080 m (3,543 ft).
Period of record: 1978 to 2025, 48 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

29 days at or beyond a record

The band shows the record high and record low for each calendar day at Bojnord. The lines show the 2026 daily maximum and minimum. 29 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Bojnord, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	20.0 C (68.0 F)	-25.4 C (-13.7 F)	15.6 C (60.1 F)	-8.0 C (17.6 F)
Feb	27.2 C (81.0 F)	-21.0 C (-5.8 F)	14.0 C (57.2 F)	-11.5 C (11.3 F)
Mar	30.8 C (87.4 F)	-10.8 C (12.6 F)	28.0 C (82.4 F)	-10.3 C (13.5 F)
Apr	35.0 C (95.0 F)	-13.2 C (8.2 F)	35.0 C (95.0 F)	-0.5 C (31.1 F)
May	38.6 C (101.5 F)	-2.7 C (27.1 F)	37.2 C (99.0 F)	6.8 C (44.2 F)
Jun	40.6 C (105.1 F)	8.0 C (46.4 F)	35.2 C (95.4 F)	9.4 C (48.9 F)
Jul	41.2 C (106.2 F)	8.4 C (47.1 F)	37.0 C (98.6 F)	13.6 C (56.5 F)
Aug	40.6 C (105.1 F)	8.0 C (46.4 F)	39.0 C (102.2 F)	14.0 C (57.2 F)
Sep	37.6 C (99.7 F)	2.0 C (35.6 F)	n/a	n/a
Oct	33.6 C (92.5 F)	-5.0 C (23.0 F)	n/a	n/a
Nov	27.8 C (82.0 F)	-14.4 C (6.1 F)	n/a	n/a
Dec	22.6 C (72.7 F)	-25.0 C (-13.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Bojnord still stand. 2008 holds the most, with 106.

Standing records at Bojnord by the year they were set
Year set	Standing records
1978	33
1979	6
1980	22
1990	7
1991	13
1992	42
1996	1
1999	1
2000	2
2001	4
2002	1
2003	1
2004	29
2005	49
2006	76
2007	61
2008	106
2009	46
2010	66
2011	69
2012	62
2013	53
2014	38
2015	69
2016	94
2017	55
2018	61
2019	60
2020	62
2021	78
2022	44
2023	54
2024	55
2025	44

Wettest Day of Each Month

May: 80.0 mm (3.1 in)

The wettest day on record for each calendar month at Bojnord. The most was 80.0 mm (3.1 in) on 20 May 2003.

Record daily precipitation for each month at Bojnord
Month	Record daily precipitation (mm)	Date
Jan	9.9 mm (0.39 in)	5 January 1994
Feb	29.0 mm (1.1 in)	12 February 2019
Mar	31.8 mm (1.3 in)	28 March 2007
Apr	49.0 mm (1.9 in)	17 April 2003
May	80.0 mm (3.1 in)	20 May 2003
Jun	21.1 mm (0.8 in)	9 June 2005
Jul	25.4 mm (1.0 in)	26 July 2004
Aug	30.5 mm (1.2 in)	26 August 2023
Sep	16.8 mm (0.7 in)	12 September 2000
Oct	28.2 mm (1.1 in)	25 October 2024
Nov	80.0 mm (3.1 in)	3 November 2007
Dec	17.3 mm (0.7 in)	27 December 2005

Period of Record Coverage

1978 to 2025

33 years of record at Bojnord, 1978 to 2025. 28 years have data for under 90 percent of days and are left out of rankings: 1978, 1979, 1980, 1990, 1991, 1992, 1993, 1994 and others.

Days with data per year at Bojnord
Year	Days with data	Share of year	Complete
1978	131	36%	No
1979	16	4%	No
1980	42	11%	No
1990	13	4%	No
1991	55	15%	No
1992	119	33%	No
1993	6	2%	No
1994	3	1%	No
1996	4	1%	No
2001	2	1%	No
2003	3	1%	No
2004	168	46%	No
2005	300	82%	No
2006	315	86%	No
2007	335	92%	Yes
2008	334	91%	Yes
2009	253	69%	No
2010	225	62%	No
2011	289	79%	No
2012	334	91%	Yes
2013	313	86%	No
2014	292	80%	No
2015	295	81%	No
2016	322	88%	No
2017	325	89%	No
2018	334	92%	Yes
2019	338	93%	Yes
2020	329	90%	No
2021	297	81%	No
2022	265	73%	No
2023	285	78%	No
2024	275	75%	No
2025	173	47%	No

Latest Records

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

Extremes by Year

1978 to 2025

Yearly extremes at Bojnord: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.2 C (106.2 F)	2018	38.6 C (101.5 F)	33
Coldest night (TNn)	-25.4 C (-13.7 F)	2008	-11.9 C (10.6 F)	36
Wettest day (Rx1day)	80.0 mm (3.1 in)	2003	20.1 mm (0.8 in)	35
Wettest five days (Rx5day)	90.0 mm (3.5 in)	2003	29.2 mm (1.1 in)	31
Longest dry spell (CDD)	100 days	2021	31 days	35

Hottest day (TXx)

The hottest day of the year at Bojnord, 1978 to 2025. The record is 41.2 C (106.2 F) in 2018, marked on the chart; the median year is 38.6 C (101.5 F).

Hottest day (TXx) at Bojnord by year
Year	Hottest day (TXx)
1978	37.0 C (98.6 F)
1979	27.0 C (80.6 F)
1980	37.0 C (98.6 F)
1989	n/a
1990	38.0 C (100.4 F)
1991	35.8 C (96.4 F)
1992	35.5 C (95.9 F)
1993	32.0 C (89.6 F)
1994	20.8 C (69.4 F)
1995	n/a
1996	31.0 C (87.8 F)
1999	n/a
2000	n/a
2001	28.0 C (82.4 F)
2002	n/a
2003	23.8 C (74.8 F)
2004	39.6 C (103.3 F)
2005	39.0 C (102.2 F)
2006	38.4 C (101.1 F)
2007	37.8 C (100.0 F)
2008	37.8 C (100.0 F)
2009	38.4 C (101.1 F)
2010	37.4 C (99.3 F)
2011	39.0 C (102.2 F)
2012	39.0 C (102.2 F)
2013	38.6 C (101.5 F)
2014	40.4 C (104.7 F)
2015	40.6 C (105.1 F)
2016	39.0 C (102.2 F)
2017	40.0 C (104.0 F)
2018	41.2 C (106.2 F)
2019	41.2 C (106.2 F)
2020	39.6 C (103.3 F)
2021	40.4 C (104.7 F)
2022	40.6 C (105.1 F)
2023	39.0 C (102.2 F)
2024	39.2 C (102.6 F)
2025	39.0 C (102.2 F)

Coldest night (TNn)

The coldest night of the year at Bojnord, 1978 to 2025. The record is -25.4 C (-13.7 F) in 2008, marked on the chart; the median year is -11.9 C (10.6 F).

Coldest night (TNn) at Bojnord by year
Year	Coldest night (TNn)
1978	-13.0 C (8.6 F)
1979	-5.0 C (23.0 F)
1980	-16.0 C (3.2 F)
1989	8.6 C (47.5 F)
1990	-25.0 C (-13.0 F)
1991	-7.6 C (18.3 F)
1992	-13.6 C (7.5 F)
1993	2.0 C (35.6 F)
1994	n/a
1995	n/a
1996	-4.0 C (24.8 F)
1999	-10.7 C (12.7 F)
2000	-8.8 C (16.2 F)
2001	-11.8 C (10.8 F)
2002	-4.9 C (23.2 F)
2003	-6.6 C (20.1 F)
2004	-15.5 C (4.1 F)
2005	-10.4 C (13.3 F)
2006	-14.9 C (5.2 F)
2007	-18.0 C (-0.4 F)
2008	-25.4 C (-13.7 F)
2009	-12.0 C (10.4 F)
2010	-10.0 C (14.0 F)
2011	-15.2 C (4.6 F)
2012	-16.2 C (2.8 F)
2013	-11.2 C (11.8 F)
2014	-10.2 C (13.6 F)
2015	-8.0 C (17.6 F)
2016	-14.4 C (6.1 F)
2017	-12.4 C (9.7 F)
2018	-12.0 C (10.4 F)
2019	-9.4 C (15.1 F)
2020	-18.1 C (-0.6 F)
2021	-15.3 C (4.5 F)
2022	-13.6 C (7.5 F)
2023	-17.8 C (0.0 F)
2024	-11.6 C (11.1 F)
2025	-11.5 C (11.3 F)

Wettest day (Rx1day)

The wettest day of the year at Bojnord, 1978 to 2025. The record is 80.0 mm (3.1 in) in 2003, marked on the chart; the median year is 20.1 mm (0.8 in).

Wettest day (Rx1day) at Bojnord by year
Year	Wettest day (Rx1day)
1978	n/a
1979	n/a
1980	n/a
1989	0.0 mm (0.00 in)
1990	0.0 mm (0.00 in)
1991	5.1 mm (0.20 in)
1992	20.1 mm (0.8 in)
1993	3.3 mm (0.13 in)
1994	20.1 mm (0.8 in)
1995	2.0 mm (0.08 in)
1996	0.5 mm (0.02 in)
1999	21.8 mm (0.9 in)
2000	16.8 mm (0.7 in)
2001	5.1 mm (0.20 in)
2002	20.3 mm (0.8 in)
2003	80.0 mm (3.1 in)
2004	25.4 mm (1.0 in)
2005	27.7 mm (1.1 in)
2006	16.8 mm (0.7 in)
2007	80.0 mm (3.1 in)
2008	18.5 mm (0.7 in)
2009	22.9 mm (0.9 in)
2010	50.0 mm (2.0 in)
2011	19.8 mm (0.8 in)
2012	11.4 mm (0.4 in)
2013	13.5 mm (0.5 in)
2014	20.1 mm (0.8 in)
2015	6.6 mm (0.26 in)
2016	22.1 mm (0.9 in)
2017	20.3 mm (0.8 in)
2018	24.4 mm (1.0 in)
2019	29.0 mm (1.1 in)
2020	21.1 mm (0.8 in)
2021	13.5 mm (0.5 in)
2022	16.5 mm (0.6 in)
2023	30.5 mm (1.2 in)
2024	28.2 mm (1.1 in)
2025	13.5 mm (0.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Bojnord, 1978 to 2025. The record is 90.0 mm (3.5 in) in 2003, marked on the chart; the median year is 29.2 mm (1.1 in).

Wettest five days (Rx5day) at Bojnord by year
Year	Wettest five days (Rx5day)
1978	n/a
1979	n/a
1980	n/a
1989	n/a
1990	n/a
1991	0.0 mm (0.00 in)
1992	24.5 mm (1.0 in)
1993	0.0 mm (0.00 in)
1994	0.0 mm (0.00 in)
1995	0.0 mm (0.00 in)
1996	n/a
1999	n/a
2000	0.8 mm (0.03 in)
2001	5.9 mm (0.23 in)
2002	7.6 mm (0.30 in)
2003	90.0 mm (3.5 in)
2004	32.0 mm (1.3 in)
2005	40.7 mm (1.6 in)
2006	23.7 mm (0.9 in)
2007	80.0 mm (3.1 in)
2008	26.4 mm (1.0 in)
2009	32.0 mm (1.3 in)
2010	55.4 mm (2.2 in)
2011	37.0 mm (1.5 in)
2012	21.6 mm (0.9 in)
2013	27.0 mm (1.1 in)
2014	33.8 mm (1.3 in)
2015	11.4 mm (0.4 in)
2016	29.2 mm (1.1 in)
2017	36.5 mm (1.4 in)
2018	55.6 mm (2.2 in)
2019	60.8 mm (2.4 in)
2020	37.1 mm (1.5 in)
2021	42.2 mm (1.7 in)
2022	27.1 mm (1.1 in)
2023	33.3 mm (1.3 in)
2024	32.3 mm (1.3 in)
2025	21.6 mm (0.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Bojnord, 1978 to 2025. The record is 100 days in 2021, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Bojnord by year
Year	Longest dry spell (CDD)
1978	n/a
1979	n/a
1980	n/a
1989	1 day
1990	2 days
1991	5 days
1992	5 days
1993	7 days
1994	8 days
1995	4 days
1996	1 day
1999	3 days
2000	7 days
2001	6 days
2002	7 days
2003	31 days
2004	26 days
2005	42 days
2006	29 days
2007	32 days
2008	17 days
2009	17 days
2010	60 days
2011	53 days
2012	62 days
2013	41 days
2014	53 days
2015	24 days
2016	46 days
2017	59 days
2018	54 days
2019	86 days
2020	72 days
2021	100 days
2022	72 days
2023	76 days
2024	36 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 Bojnord standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Bojnord 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 2026-10-12 (12 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).