Diffa Weather Records (NGM00061085)

Record envelope, standing records and threshold days for Diffa (NGM00061085), Niger, with 41 years of record.

Key Facts for Diffa

Diffa (NGM00061085) is a weather station in Niger at 13.37 latitude and 12.63 longitude, 303 m (994 ft) above sea level.
The station reports from 1985 to 2025, 41 years of record.
1,464 records set at Diffa still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Niger, 13.37 latitude, 12.63 longitude.
Elevation: 303 m (994 ft).
Period of record: 1985 to 2025, 41 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

9 days at or beyond a record

The band shows the record high and record low for each calendar day at Diffa. The lines show the 2026 daily maximum and minimum. 9 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Diffa, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	40.0 C (104.0 F)	6.4 C (43.5 F)	35.4 C (95.7 F)	10.6 C (51.1 F)
Feb	44.0 C (111.2 F)	2.4 C (36.3 F)	38.8 C (101.8 F)	12.9 C (55.2 F)
Mar	45.8 C (114.4 F)	11.0 C (51.8 F)	43.5 C (110.3 F)	16.8 C (62.2 F)
Apr	48.4 C (119.1 F)	13.4 C (56.1 F)	44.1 C (111.4 F)	17.5 C (63.5 F)
May	46.4 C (115.5 F)	17.0 C (62.6 F)	45.0 C (113.0 F)	19.1 C (66.4 F)
Jun	46.5 C (115.7 F)	19.0 C (66.2 F)	42.6 C (108.7 F)	22.4 C (72.3 F)
Jul	44.9 C (112.8 F)	17.0 C (62.6 F)	37.5 C (99.5 F)	22.0 C (71.6 F)
Aug	42.0 C (107.6 F)	16.6 C (61.9 F)	35.5 C (95.9 F)	20.0 C (68.0 F)
Sep	42.9 C (109.2 F)	18.1 C (64.6 F)	n/a	n/a
Oct	43.2 C (109.8 F)	12.8 C (55.0 F)	n/a	n/a
Nov	41.5 C (106.7 F)	9.5 C (49.1 F)	n/a	n/a
Dec	40.2 C (104.4 F)	3.6 C (38.5 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Diffa still stand. 1990 holds the most, with 72.

Standing records at Diffa by the year they were set
Year set	Standing records
1985	8
1986	17
1987	34
1988	45
1989	54
1990	72
1991	53
1992	57
1993	57
1994	38
1995	51
1996	22
1997	1
1998	2
1999	8
2000	10
2001	41
2002	53
2003	49
2004	52
2005	44
2006	44
2007	6
2010	6
2012	22
2013	57
2014	31
2015	61
2016	63
2017	51
2018	42
2019	52
2020	39
2021	45
2022	57
2023	56
2024	46
2025	18

Wettest Day of Each Month

Sep: 320.5 mm (12.6 in)

The wettest day on record for each calendar month at Diffa. The most was 320.5 mm (12.6 in) on 12 September 2004.

Record daily precipitation for each month at Diffa
Month	Record daily precipitation (mm)	Date
Jan	0.0 mm (0.00 in)	4 January 2000
Feb	50.8 mm (2.0 in)	17 February 2000
Mar	0.0 mm (0.00 in)	21 March 1992
Apr	14.0 mm (0.6 in)	27 April 1988
May	19.1 mm (0.8 in)	29 May 1996
Jun	179.1 mm (7.1 in)	26 June 1994
Jul	75.9 mm (3.0 in)	8 July 1995
Aug	280.9 mm (11.1 in)	1 August 1994
Sep	320.5 mm (12.6 in)	12 September 2004
Oct	31.0 mm (1.2 in)	10 October 2019
Nov	108.0 mm (4.3 in)	14 November 1999
Dec	0.0 mm (0.00 in)	30 December 1993

Period of Record Coverage

1985 to 2025

39 years of record at Diffa, 1985 to 2025. 32 years have data for under 90 percent of days and are left out of rankings: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992 and others.

Days with data per year at Diffa
Year	Days with data	Share of year	Complete
1985	60	16%	No
1986	182	50%	No
1987	172	47%	No
1988	239	65%	No
1989	269	74%	No
1990	299	82%	No
1991	293	80%	No
1992	266	73%	No
1993	300	82%	No
1994	280	77%	No
1995	293	80%	No
1996	232	63%	No
1997	8	2%	No
1998	5	1%	No
1999	47	13%	No
2000	23	6%	No
2001	223	61%	No
2002	265	73%	No
2003	285	78%	No
2004	312	85%	No
2005	189	52%	No
2006	198	54%	No
2007	62	17%	No
2010	14	4%	No
2011	2	1%	No
2012	155	42%	No
2013	354	97%	Yes
2014	321	88%	No
2015	313	86%	No
2016	360	98%	Yes
2017	356	98%	Yes
2018	352	96%	Yes
2019	357	98%	Yes
2020	349	95%	Yes
2021	309	85%	No
2022	331	91%	Yes
2023	306	84%	No
2024	269	73%	No
2025	152	42%	No

Latest Records

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

Climate Trend

10 complete years, 1995 to 2022

One stripe for each of 10 complete years at Diffa, 1995 to 2022. Blue stripes are years cooler than the station's own mean of 28.9 C (84.0 F); red stripes are warmer. The coolest year was 2022, at 28.0 C (82.5 F), and the warmest was 2013, at 29.3 C (84.8 F). The strongest colour marks a difference of 0.9 C (1.6 F).

Annual mean temperature at Diffa as warming stripes, 1995 to 2022
Year	Annual mean temperature	Difference from the station mean
1995	28.3 C	-0.54 C
2004	29.0 C	+0.10 C
2013	29.3 C	+0.47 C
2015	28.7 C	-0.13 C
2016	29.2 C	+0.37 C
2017	29.1 C	+0.20 C
2018	29.1 C	+0.20 C
2019	29.0 C	+0.15 C
2020	28.9 C	-0.01 C
2022	28.0 C	-0.84 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1985 to 2025

Yearly extremes at Diffa: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	48.4 C (119.1 F)	1989	45.4 C (113.7 F)	39
Coldest night (TNn)	2.4 C (36.3 F)	2001	8.2 C (46.8 F)	39
Wettest day (Rx1day)	320.5 mm (12.6 in)	2004	45.0 mm (1.8 in)	38
Wettest five days (Rx5day)	368.0 mm (14.5 in)	2004	46.0 mm (1.8 in)	26
Longest dry spell (CDD)	72 days	2025	3 days	37

Hottest day (TXx)

The hottest day of the year at Diffa, 1985 to 2025. The record is 48.4 C (119.1 F) in 1989, marked on the chart; the median year is 45.4 C (113.7 F).

Hottest day (TXx) at Diffa by year
Year	Hottest day (TXx)
1985	43.3 C (109.9 F)
1986	45.0 C (113.0 F)
1987	45.8 C (114.4 F)
1988	46.4 C (115.5 F)
1989	48.4 C (119.1 F)
1990	45.6 C (114.1 F)
1991	46.5 C (115.7 F)
1992	45.4 C (113.7 F)
1993	46.2 C (115.2 F)
1994	45.2 C (113.4 F)
1995	45.2 C (113.4 F)
1996	43.8 C (110.8 F)
1997	38.2 C (100.8 F)
1998	45.3 C (113.5 F)
1999	44.1 C (111.4 F)
2000	44.5 C (112.1 F)
2001	46.0 C (114.8 F)
2002	45.5 C (113.9 F)
2003	45.4 C (113.7 F)
2004	46.4 C (115.5 F)
2005	46.0 C (114.8 F)
2006	45.5 C (113.9 F)
2007	45.8 C (114.4 F)
2010	35.0 C (95.0 F)
2011	43.0 C (109.4 F)
2012	42.0 C (107.6 F)
2013	45.5 C (113.9 F)
2014	44.8 C (112.6 F)
2015	44.7 C (112.5 F)
2016	45.5 C (113.9 F)
2017	45.5 C (113.9 F)
2018	45.9 C (114.6 F)
2019	46.0 C (114.8 F)
2020	45.5 C (113.9 F)
2021	44.5 C (112.1 F)
2022	44.6 C (112.3 F)
2023	45.1 C (113.2 F)
2024	45.7 C (114.3 F)
2025	45.0 C (113.0 F)

Coldest night (TNn)

The coldest night of the year at Diffa, 1985 to 2025. The record is 2.4 C (36.3 F) in 2001, marked on the chart; the median year is 8.2 C (46.8 F).

Coldest night (TNn) at Diffa by year
Year	Coldest night (TNn)
1985	11.0 C (51.8 F)
1986	11.5 C (52.7 F)
1987	6.6 C (43.9 F)
1988	7.3 C (45.1 F)
1989	7.3 C (45.1 F)
1990	6.8 C (44.2 F)
1991	7.0 C (44.6 F)
1992	7.6 C (45.7 F)
1993	8.5 C (47.3 F)
1994	7.2 C (45.0 F)
1995	8.0 C (46.4 F)
1996	9.0 C (48.2 F)
1997	12.4 C (54.3 F)
1998	11.0 C (51.8 F)
1999	8.0 C (46.4 F)
2000	9.5 C (49.1 F)
2001	2.4 C (36.3 F)
2002	8.0 C (46.4 F)
2003	3.6 C (38.5 F)
2004	8.2 C (46.8 F)
2005	6.8 C (44.2 F)
2006	8.0 C (46.4 F)
2007	9.5 C (49.1 F)
2010	21.0 C (69.8 F)
2011	13.1 C (55.6 F)
2012	8.4 C (47.1 F)
2013	10.0 C (50.0 F)
2014	6.4 C (43.5 F)
2015	7.0 C (44.6 F)
2016	7.0 C (44.6 F)
2017	10.4 C (50.7 F)
2018	7.9 C (46.2 F)
2019	8.2 C (46.8 F)
2020	10.0 C (50.0 F)
2021	11.9 C (53.4 F)
2022	9.0 C (48.2 F)
2023	9.9 C (49.8 F)
2024	9.5 C (49.1 F)
2025	10.6 C (51.1 F)

Wettest day (Rx1day)

The wettest day of the year at Diffa, 1985 to 2025. The record is 320.5 mm (12.6 in) in 2004, marked on the chart; the median year is 45.0 mm (1.8 in).

Wettest day (Rx1day) at Diffa by year
Year	Wettest day (Rx1day)
1985	7.1 mm (0.28 in)
1986	45.0 mm (1.8 in)
1987	16.0 mm (0.6 in)
1988	55.1 mm (2.2 in)
1989	89.9 mm (3.5 in)
1990	14.0 mm (0.6 in)
1991	39.9 mm (1.6 in)
1992	49.0 mm (1.9 in)
1993	29.0 mm (1.1 in)
1994	280.9 mm (11.1 in)
1995	75.9 mm (3.0 in)
1996	25.9 mm (1.0 in)
1997	99.1 mm (3.9 in)
1998	6.1 mm (0.24 in)
1999	108.0 mm (4.3 in)
2000	50.8 mm (2.0 in)
2001	25.9 mm (1.0 in)
2002	30.0 mm (1.2 in)
2003	40.9 mm (1.6 in)
2004	320.5 mm (12.6 in)
2005	27.9 mm (1.1 in)
2006	37.1 mm (1.5 in)
2007	85.1 mm (3.4 in)
2010	26.9 mm (1.1 in)
2011	n/a
2012	29.0 mm (1.1 in)
2013	36.1 mm (1.4 in)
2014	19.1 mm (0.8 in)
2015	40.9 mm (1.6 in)
2016	53.1 mm (2.1 in)
2017	47.0 mm (1.9 in)
2018	45.0 mm (1.8 in)
2019	45.0 mm (1.8 in)
2020	45.0 mm (1.8 in)
2021	59.9 mm (2.4 in)
2022	52.1 mm (2.1 in)
2023	39.9 mm (1.6 in)
2024	93.0 mm (3.7 in)
2025	48.3 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Diffa, 1985 to 2025. The record is 368.0 mm (14.5 in) in 2004, marked on the chart; the median year is 46.0 mm (1.8 in).

Wettest five days (Rx5day) at Diffa by year
Year	Wettest five days (Rx5day)
1985	n/a
1986	n/a
1987	n/a
1988	111.2 mm (4.4 in)
1989	23.1 mm (0.9 in)
1990	7.4 mm (0.29 in)
1991	23.1 mm (0.9 in)
1992	26.6 mm (1.0 in)
1993	44.0 mm (1.7 in)
1994	357.9 mm (14.1 in)
1995	94.3 mm (3.7 in)
1996	13.7 mm (0.5 in)
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	18.5 mm (0.7 in)
2003	49.0 mm (1.9 in)
2004	368.0 mm (14.5 in)
2005	0.0 mm (0.00 in)
2006	n/a
2007	n/a
2010	n/a
2011	n/a
2012	22.6 mm (0.9 in)
2013	68.2 mm (2.7 in)
2014	n/a
2015	35.0 mm (1.4 in)
2016	21.1 mm (0.8 in)
2017	47.9 mm (1.9 in)
2018	55.9 mm (2.2 in)
2019	83.1 mm (3.3 in)
2020	92.2 mm (3.6 in)
2021	22.6 mm (0.9 in)
2022	75.0 mm (3.0 in)
2023	11.4 mm (0.4 in)
2024	111.0 mm (4.4 in)
2025	74.2 mm (2.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Diffa, 1985 to 2025. The record is 72 days in 2025, marked on the chart; the median year is 3 days.

Longest dry spell (CDD) at Diffa by year
Year	Longest dry spell (CDD)
1985	n/a
1986	2 days
1987	2 days
1988	2 days
1989	2 days
1990	4 days
1991	3 days
1992	2 days
1993	4 days
1994	3 days
1995	3 days
1996	4 days
1997	1 day
1998	1 day
1999	1 day
2000	3 days
2001	2 days
2002	9 days
2003	16 days
2004	11 days
2005	12 days
2006	1 day
2007	1 day
2010	1 day
2011	n/a
2012	4 days
2013	3 days
2014	3 days
2015	2 days
2016	4 days
2017	3 days
2018	3 days
2019	3 days
2020	3 days
2021	3 days
2022	3 days
2023	2 days
2024	22 days
2025	72 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 Diffa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Diffa 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.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).