Decimomannu Weather Records (ITM00016546)

Record envelope, standing records and threshold days for Decimomannu (ITM00016546), Italy, with 60 years of record.

Key Facts for Decimomannu

Decimomannu (ITM00016546) is a weather station in Italy at 39.35 latitude and 8.97 longitude, 31 m (100 ft) above sea level.
The station reports from 1966 to 2025, 60 years of record.
1,464 records set at Decimomannu still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Italy, 39.35 latitude, 8.97 longitude.
Elevation: 31 m (100 ft).
Period of record: 1966 to 2025, 60 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

16 days at or beyond a record

The band shows the record high and record low for each calendar day at Decimomannu. The lines show the 2026 daily maximum and minimum. 16 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Decimomannu, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	21.8 C (71.2 F)	-2.6 C (27.3 F)	20.4 C (68.7 F)	2.4 C (36.3 F)
Feb	24.4 C (75.9 F)	-3.0 C (26.6 F)	19.0 C (66.2 F)	1.6 C (34.9 F)
Mar	30.2 C (86.4 F)	-2.2 C (28.0 F)	23.0 C (73.4 F)	4.6 C (40.3 F)
Apr	30.4 C (86.7 F)	-0.4 C (31.3 F)	24.6 C (76.3 F)	2.8 C (37.0 F)
May	38.4 C (101.1 F)	0.3 C (32.5 F)	31.8 C (89.2 F)	8.0 C (46.4 F)
Jun	41.6 C (106.9 F)	8.4 C (47.1 F)	39.0 C (102.2 F)	14.0 C (57.2 F)
Jul	46.2 C (115.2 F)	13.2 C (55.8 F)	39.0 C (102.2 F)	18.0 C (64.4 F)
Aug	42.4 C (108.3 F)	12.0 C (53.6 F)	39.6 C (103.3 F)	16.0 C (60.8 F)
Sep	39.6 C (103.3 F)	8.2 C (46.8 F)	n/a	n/a
Oct	34.2 C (93.6 F)	0.0 C (32.0 F)	n/a	n/a
Nov	28.2 C (82.8 F)	-0.1 C (31.8 F)	n/a	n/a
Dec	24.8 C (76.6 F)	-2.0 C (28.4 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Decimomannu still stand. 2001 holds the most, with 77.

Standing records at Decimomannu by the year they were set
Year set	Standing records
1966	1
1967	26
1968	8
1974	2
1975	1
1978	8
1979	1
1980	8
1981	23
1982	2
1983	2
1984	2
1985	2
1986	1
1987	4
1998	15
1999	9
2000	42
2001	77
2002	57
2003	56
2004	46
2005	74
2006	45
2007	62
2008	55
2009	46
2010	66
2011	33
2012	51
2013	45
2014	66
2015	45
2016	43
2017	55
2018	49
2019	45
2020	44
2021	49
2022	64
2023	68
2024	35
2025	31

Wettest Day of Each Month

Oct: 257.0 mm (10.1 in)

The wettest day on record for each calendar month at Decimomannu. The most was 257.0 mm (10.1 in) on 1 October 1993.

Record daily precipitation for each month at Decimomannu
Month	Record daily precipitation (mm)	Date
Jan	30.0 mm (1.2 in)	30 January 2006
Feb	67.1 mm (2.6 in)	27 February 2003
Mar	56.9 mm (2.2 in)	16 March 2015
Apr	46.0 mm (1.8 in)	12 April 2009
May	38.9 mm (1.5 in)	6 May 2004
Jun	43.9 mm (1.7 in)	15 June 2010
Jul	30.0 mm (1.2 in)	4 July 1974
Aug	32.0 mm (1.3 in)	11 August 2022
Sep	255.0 mm (10.0 in)	10 September 1993
Oct	257.0 mm (10.1 in)	1 October 1993
Nov	255.0 mm (10.0 in)	6 November 1993
Dec	56.1 mm (2.2 in)	9 December 2004

Period of Record Coverage

1966 to 2025

44 years of record at Decimomannu, 1966 to 2025. 41 years have data for under 90 percent of days and are left out of rankings: 1966, 1967, 1968, 1973, 1974, 1975, 1978, 1979 and others.

Days with data per year at Decimomannu
Year	Days with data	Share of year	Complete
1966	3	1%	No
1967	105	29%	No
1968	41	11%	No
1973	3	1%	No
1974	4	1%	No
1975	6	2%	No
1978	30	8%	No
1979	11	3%	No
1980	32	9%	No
1981	45	12%	No
1982	10	3%	No
1983	7	2%	No
1984	7	2%	No
1985	4	1%	No
1986	7	2%	No
1987	10	3%	No
1988	4	1%	No
1989	2	1%	No
2000	177	48%	No
2001	282	77%	No
2002	280	77%	No
2003	233	64%	No
2004	317	87%	No
2005	317	87%	No
2006	308	84%	No
2007	307	84%	No
2008	308	84%	No
2009	314	86%	No
2010	329	90%	Yes
2011	332	91%	Yes
2012	327	89%	No
2013	323	88%	No
2014	328	90%	No
2015	333	91%	Yes
2016	315	86%	No
2017	320	88%	No
2018	301	82%	No
2019	318	87%	No
2020	304	83%	No
2021	320	88%	No
2022	327	90%	No
2023	288	79%	No
2024	275	75%	No
2025	180	49%	No

Latest Records

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

Extremes by Year

1966 to 2025

Yearly extremes at Decimomannu: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	46.2 C (115.2 F)	2023	38.7 C (101.7 F)	44
Coldest night (TNn)	-3.0 C (26.6 F)	2003	0.0 C (32.0 F)	47
Wettest day (Rx1day)	257.0 mm (10.1 in)	1993	28.6 mm (1.1 in)	42
Wettest five days (Rx5day)	257.0 mm (10.1 in)	1993	56.9 mm (2.2 in)	25
Longest dry spell (CDD)	73 days	2022	26 days	40

Hottest day (TXx)

The hottest day of the year at Decimomannu, 1966 to 2025. The record is 46.2 C (115.2 F) in 2023, marked on the chart; the median year is 38.7 C (101.7 F).

Hottest day (TXx) at Decimomannu by year
Year	Hottest day (TXx)
1966	13.9 C (57.0 F)
1967	38.9 C (102.0 F)
1968	32.8 C (91.0 F)
1973	19.0 C (66.2 F)
1974	28.0 C (82.4 F)
1975	32.0 C (89.6 F)
1977	n/a
1978	30.0 C (86.0 F)
1979	32.0 C (89.6 F)
1980	33.0 C (91.4 F)
1981	36.0 C (96.8 F)
1982	31.4 C (88.5 F)
1983	34.2 C (93.6 F)
1984	31.0 C (87.8 F)
1985	32.8 C (91.0 F)
1986	30.6 C (87.1 F)
1987	35.6 C (96.1 F)
1988	27.0 C (80.6 F)
1989	20.6 C (69.1 F)
1993	n/a
1994	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	42.0 C (107.6 F)
2001	39.4 C (102.9 F)
2002	39.0 C (102.2 F)
2003	41.6 C (106.9 F)
2004	38.6 C (101.5 F)
2005	38.4 C (101.1 F)
2006	37.6 C (99.7 F)
2007	41.8 C (107.2 F)
2008	40.2 C (104.4 F)
2009	39.2 C (102.6 F)
2010	40.2 C (104.4 F)
2011	38.8 C (101.8 F)
2012	41.6 C (106.9 F)
2013	38.8 C (101.8 F)
2014	38.0 C (100.4 F)
2015	39.0 C (102.2 F)
2016	38.0 C (100.4 F)
2017	42.4 C (108.3 F)
2018	41.0 C (105.8 F)
2019	40.4 C (104.7 F)
2020	42.0 C (107.6 F)
2021	42.2 C (108.0 F)
2022	40.4 C (104.7 F)
2023	46.2 C (115.2 F)
2024	41.0 C (105.8 F)
2025	39.6 C (103.3 F)

Coldest night (TNn)

The coldest night of the year at Decimomannu, 1966 to 2025. The record is -3.0 C (26.6 F) in 2003, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Decimomannu by year
Year	Coldest night (TNn)
1966	1.1 C (34.0 F)
1967	1.1 C (34.0 F)
1968	7.2 C (45.0 F)
1973	18.0 C (64.4 F)
1974	1.0 C (33.8 F)
1975	6.0 C (42.8 F)
1977	n/a
1978	3.0 C (37.4 F)
1979	7.0 C (44.6 F)
1980	-1.0 C (30.2 F)
1981	2.0 C (35.6 F)
1982	2.8 C (37.0 F)
1983	-0.5 C (31.1 F)
1984	3.2 C (37.8 F)
1985	6.0 C (42.8 F)
1986	3.6 C (38.5 F)
1987	7.6 C (45.7 F)
1988	6.4 C (43.5 F)
1989	6.6 C (43.9 F)
1993	n/a
1994	n/a
1996	9.0 C (48.2 F)
1997	n/a
1998	-0.5 C (31.1 F)
1999	-0.4 C (31.3 F)
2000	3.4 C (38.1 F)
2001	-2.0 C (28.4 F)
2002	-2.6 C (27.3 F)
2003	-3.0 C (26.6 F)
2004	-1.0 C (30.2 F)
2005	-2.2 C (28.0 F)
2006	-2.2 C (28.0 F)
2007	0.8 C (33.4 F)
2008	-2.2 C (28.0 F)
2009	-2.2 C (28.0 F)
2010	-1.6 C (29.1 F)
2011	-0.2 C (31.6 F)
2012	-3.0 C (26.6 F)
2013	-0.2 C (31.6 F)
2014	-1.4 C (29.5 F)
2015	-0.2 C (31.6 F)
2016	0.0 C (32.0 F)
2017	-1.6 C (29.1 F)
2018	0.0 C (32.0 F)
2019	-2.2 C (28.0 F)
2020	-1.4 C (29.5 F)
2021	-0.6 C (30.9 F)
2022	0.0 C (32.0 F)
2023	-1.0 C (30.2 F)
2024	0.0 C (32.0 F)
2025	1.6 C (34.9 F)

Wettest day (Rx1day)

The wettest day of the year at Decimomannu, 1966 to 2025. The record is 257.0 mm (10.1 in) in 1993, marked on the chart; the median year is 28.6 mm (1.1 in).

Wettest day (Rx1day) at Decimomannu by year
Year	Wettest day (Rx1day)
1966	n/a
1967	11.9 mm (0.5 in)
1968	2.0 mm (0.08 in)
1973	n/a
1974	55.9 mm (2.2 in)
1975	n/a
1977	1.0 mm (0.04 in)
1978	15.0 mm (0.6 in)
1979	n/a
1980	8.9 mm (0.35 in)
1981	7.1 mm (0.28 in)
1982	2.0 mm (0.08 in)
1983	102.1 mm (4.0 in)
1984	2.0 mm (0.08 in)
1985	0.0 mm (0.00 in)
1986	n/a
1987	n/a
1988	0.5 mm (0.02 in)
1989	n/a
1993	257.0 mm (10.1 in)
1994	2.0 mm (0.08 in)
1996	n/a
1997	0.0 mm (0.00 in)
1998	0.0 mm (0.00 in)
1999	n/a
2000	27.9 mm (1.1 in)
2001	29.2 mm (1.1 in)
2002	24.1 mm (0.9 in)
2003	67.1 mm (2.6 in)
2004	59.9 mm (2.4 in)
2005	51.1 mm (2.0 in)
2006	81.0 mm (3.2 in)
2007	36.1 mm (1.4 in)
2008	46.0 mm (1.8 in)
2009	46.0 mm (1.8 in)
2010	103.9 mm (4.1 in)
2011	51.1 mm (2.0 in)
2012	46.0 mm (1.8 in)
2013	25.9 mm (1.0 in)
2014	45.0 mm (1.8 in)
2015	56.9 mm (2.2 in)
2016	42.2 mm (1.7 in)
2017	22.1 mm (0.9 in)
2018	84.1 mm (3.3 in)
2019	33.0 mm (1.3 in)
2020	16.3 mm (0.6 in)
2021	35.3 mm (1.4 in)
2022	36.1 mm (1.4 in)
2023	27.9 mm (1.1 in)
2024	20.3 mm (0.8 in)
2025	23.1 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Decimomannu, 1966 to 2025. The record is 257.0 mm (10.1 in) in 1993, marked on the chart; the median year is 56.9 mm (2.2 in).

Wettest five days (Rx5day) at Decimomannu by year
Year	Wettest five days (Rx5day)
1966	n/a
1967	n/a
1968	n/a
1973	n/a
1974	n/a
1975	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	n/a
1993	257.0 mm (10.1 in)
1994	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	1.0 mm (0.04 in)
2003	45.2 mm (1.8 in)
2004	120.1 mm (4.7 in)
2005	69.3 mm (2.7 in)
2006	86.8 mm (3.4 in)
2007	45.2 mm (1.8 in)
2008	51.9 mm (2.0 in)
2009	73.4 mm (2.9 in)
2010	140.8 mm (5.5 in)
2011	96.3 mm (3.8 in)
2012	80.6 mm (3.2 in)
2013	38.0 mm (1.5 in)
2014	56.9 mm (2.2 in)
2015	66.8 mm (2.6 in)
2016	47.3 mm (1.9 in)
2017	35.7 mm (1.4 in)
2018	116.1 mm (4.6 in)
2019	68.3 mm (2.7 in)
2020	23.1 mm (0.9 in)
2021	83.2 mm (3.3 in)
2022	49.1 mm (1.9 in)
2023	53.9 mm (2.1 in)
2024	27.7 mm (1.1 in)
2025	50.3 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Decimomannu, 1966 to 2025. The record is 73 days in 2022, marked on the chart; the median year is 26 days.

Longest dry spell (CDD) at Decimomannu by year
Year	Longest dry spell (CDD)
1966	n/a
1967	n/a
1968	n/a
1973	n/a
1974	1 day
1975	n/a
1977	1 day
1978	4 days
1979	n/a
1980	2 days
1981	2 days
1982	1 day
1983	1 day
1984	1 day
1985	1 day
1986	n/a
1987	n/a
1988	1 day
1989	n/a
1993	2 days
1994	2 days
1996	n/a
1997	1 day
1998	1 day
1999	n/a
2000	1 day
2001	2 days
2002	6 days
2003	6 days
2004	36 days
2005	29 days
2006	34 days
2007	33 days
2008	62 days
2009	33 days
2010	48 days
2011	37 days
2012	40 days
2013	30 days
2014	38 days
2015	34 days
2016	25 days
2017	23 days
2018	26 days
2019	47 days
2020	51 days
2021	46 days
2022	73 days
2023	34 days
2024	26 days
2025	32 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 Decimomannu standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Decimomannu 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).