Nanortalik Heliport Weather Records (GLE00147351)

Record envelope, standing records and threshold days for Nanortalik Heliport (GLE00147351), Greenland [Denmark], with 59 years of record.

Key Facts for Nanortalik Heliport

Nanortalik Heliport (GLE00147351) is a weather station in Greenland [Denmark] at 60.13 latitude and -45.23 longitude, 5 m (16 ft) above sea level.
The station reports from 1963 to 2021, 59 years of record.
1,464 records set at Nanortalik Heliport still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Greenland [Denmark], 60.13 latitude, -45.23 longitude.
Elevation: 5 m (16 ft).
Period of record: 1963 to 2021, 59 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Nanortalik Heliport. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Nanortalik Heliport, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	16.0 C (60.8 F)	-15.0 C (5.0 F)	n/a	n/a
Feb	13.0 C (55.4 F)	-15.6 C (3.9 F)	n/a	n/a
Mar	15.0 C (59.0 F)	-15.5 C (4.1 F)	n/a	n/a
Apr	16.0 C (60.8 F)	-8.3 C (17.1 F)	n/a	n/a
May	18.0 C (64.4 F)	-4.0 C (24.8 F)	n/a	n/a
Jun	17.1 C (62.8 F)	-5.0 C (23.0 F)	n/a	n/a
Jul	23.0 C (73.4 F)	-5.0 C (23.0 F)	n/a	n/a
Aug	21.0 C (69.8 F)	-0.6 C (30.9 F)	n/a	n/a
Sep	18.2 C (64.8 F)	-2.0 C (28.4 F)	n/a	n/a
Oct	15.2 C (59.4 F)	-5.7 C (21.7 F)	n/a	n/a
Nov	15.0 C (59.0 F)	-9.4 C (15.1 F)	n/a	n/a
Dec	12.0 C (53.6 F)	-14.0 C (6.8 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Nanortalik Heliport still stand. 2015 holds the most, with 213.

Wettest Day of Each Month

Nov: 104.0 mm (4.1 in)

The wettest day on record for each calendar month at Nanortalik Heliport. The most was 104.0 mm (4.1 in) on 20 November 1977.

Record daily precipitation for each month at Nanortalik Heliport
Month	Record daily precipitation (mm)	Date
Jan	98.6 mm (3.9 in)	13 January 1964
Feb	43.1 mm (1.7 in)	10 February 1964
Mar	103.8 mm (4.1 in)	10 March 1974
Apr	102.0 mm (4.0 in)	1 April 1975
May	52.0 mm (2.0 in)	22 May 1969
Jun	36.0 mm (1.4 in)	29 June 1975
Jul	51.0 mm (2.0 in)	10 July 1977
Aug	53.8 mm (2.1 in)	20 August 1972
Sep	66.6 mm (2.6 in)	14 September 1969
Oct	53.2 mm (2.1 in)	9 October 1972
Nov	104.0 mm (4.1 in)	20 November 1977
Dec	85.1 mm (3.4 in)	3 December 1975

Period of Record Coverage

1976 to 2021

18 years of record at Nanortalik Heliport, 1976 to 2021. 14 years have data for under 90 percent of days and are left out of rankings: 1976, 1978, 2005, 2007, 2008, 2009, 2010, 2011 and others.

Days with data per year at Nanortalik Heliport
Year	Days with data	Share of year	Complete
1976	1	0%	No
1978	19	5%	No
2005	261	72%	No
2006	338	93%	Yes
2007	72	20%	No
2008	33	9%	No
2009	205	56%	No
2010	60	16%	No
2011	237	65%	No
2012	362	99%	Yes
2013	1	0%	No
2014	321	88%	No
2015	362	99%	Yes
2016	365	100%	Yes
2017	26	7%	No
2018	40	11%	No
2020	314	86%	No
2021	1	0%	No

Latest Records

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

Extremes by Year

1963 to 2021

Yearly extremes at Nanortalik Heliport: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	23.0 C (73.4 F)	2005	15.3 C (59.5 F)	18
Coldest night (TNn)	-15.6 C (3.9 F)	2018	-11.0 C (12.2 F)	18
Wettest day (Rx1day)	104.0 mm (4.1 in)	1977	46.4 mm (1.8 in)	23
Wettest five days (Rx5day)	222.3 mm (8.8 in)	1975	82.8 mm (3.3 in)	23
Longest dry spell (CDD)	54 days	1968	20 days	23

Hottest day (TXx)

The hottest day of the year at Nanortalik Heliport, 1963 to 2021. The record is 23.0 C (73.4 F) in 2005, marked on the chart; the median year is 15.3 C (59.5 F).

Hottest day (TXx) at Nanortalik Heliport by year
Year	Hottest day (TXx)
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	2.5 C (36.5 F)
1977	n/a
1978	14.5 C (58.1 F)
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
2005	23.0 C (73.4 F)
2006	21.0 C (69.8 F)
2007	10.0 C (50.0 F)
2008	12.0 C (53.6 F)
2009	16.0 C (60.8 F)
2010	9.3 C (48.7 F)
2011	17.9 C (64.2 F)
2012	21.6 C (70.9 F)
2013	0.5 C (32.9 F)
2014	19.2 C (66.6 F)
2015	18.8 C (65.8 F)
2016	20.1 C (68.2 F)
2017	7.1 C (44.8 F)
2018	6.3 C (43.3 F)
2020	19.8 C (67.6 F)
2021	0.9 C (33.6 F)

Coldest night (TNn)

The coldest night of the year at Nanortalik Heliport, 1963 to 2021. The record is -15.6 C (3.9 F) in 2018, marked on the chart; the median year is -11.0 C (12.2 F).

Coldest night (TNn) at Nanortalik Heliport by year
Year	Coldest night (TNn)
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	-6.8 C (19.8 F)
1977	n/a
1978	-5.0 C (23.0 F)
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
2005	-7.0 C (19.4 F)
2006	-11.0 C (12.2 F)
2007	-11.0 C (12.2 F)
2008	-14.0 C (6.8 F)
2009	-15.0 C (5.0 F)
2010	-10.4 C (13.3 F)
2011	-9.4 C (15.1 F)
2012	-15.5 C (4.1 F)
2013	-4.4 C (24.1 F)
2014	-10.0 C (14.0 F)
2015	-14.0 C (6.8 F)
2016	-13.8 C (7.2 F)
2017	-11.0 C (12.2 F)
2018	-15.6 C (3.9 F)
2020	-11.1 C (12.0 F)
2021	-2.0 C (28.4 F)

Wettest day (Rx1day)

The wettest day of the year at Nanortalik Heliport, 1963 to 2021. The record is 104.0 mm (4.1 in) in 1977, marked on the chart; the median year is 46.4 mm (1.8 in).

Wettest day (Rx1day) at Nanortalik Heliport by year
Year	Wettest day (Rx1day)
1963	37.4 mm (1.5 in)
1964	98.6 mm (3.9 in)
1965	40.0 mm (1.6 in)
1966	39.2 mm (1.5 in)
1967	48.0 mm (1.9 in)
1968	32.0 mm (1.3 in)
1969	69.8 mm (2.7 in)
1970	46.4 mm (1.8 in)
1971	56.0 mm (2.2 in)
1972	53.8 mm (2.1 in)
1973	42.6 mm (1.7 in)
1974	103.8 mm (4.1 in)
1975	102.0 mm (4.0 in)
1976	60.0 mm (2.4 in)
1977	104.0 mm (4.1 in)
1978	32.0 mm (1.3 in)
1979	38.7 mm (1.5 in)
1980	60.3 mm (2.4 in)
1981	35.7 mm (1.4 in)
1982	42.0 mm (1.7 in)
1983	61.0 mm (2.4 in)
1984	45.0 mm (1.8 in)
1985	25.0 mm (1.0 in)
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a
2020	n/a
2021	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Nanortalik Heliport, 1963 to 2021. The record is 222.3 mm (8.8 in) in 1975, marked on the chart; the median year is 82.8 mm (3.3 in).

Wettest five days (Rx5day) at Nanortalik Heliport by year
Year	Wettest five days (Rx5day)
1963	71.2 mm (2.8 in)
1964	119.1 mm (4.7 in)
1965	82.8 mm (3.3 in)
1966	56.4 mm (2.2 in)
1967	78.5 mm (3.1 in)
1968	72.9 mm (2.9 in)
1969	145.2 mm (5.7 in)
1970	98.5 mm (3.9 in)
1971	66.0 mm (2.6 in)
1972	108.5 mm (4.3 in)
1973	71.9 mm (2.8 in)
1974	203.8 mm (8.0 in)
1975	222.3 mm (8.8 in)
1976	177.6 mm (7.0 in)
1977	191.2 mm (7.5 in)
1978	93.4 mm (3.7 in)
1979	59.4 mm (2.3 in)
1980	126.7 mm (5.0 in)
1981	48.3 mm (1.9 in)
1982	52.0 mm (2.0 in)
1983	97.4 mm (3.8 in)
1984	77.0 mm (3.0 in)
1985	30.0 mm (1.2 in)
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a
2020	n/a
2021	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Nanortalik Heliport, 1963 to 2021. The record is 54 days in 1968, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Nanortalik Heliport by year
Year	Longest dry spell (CDD)
1963	15 days
1964	19 days
1965	19 days
1966	37 days
1967	20 days
1968	54 days
1969	39 days
1970	17 days
1971	23 days
1972	18 days
1973	21 days
1974	20 days
1975	18 days
1976	16 days
1977	20 days
1978	6 days
1979	18 days
1980	41 days
1981	32 days
1982	26 days
1983	16 days
1984	21 days
1985	29 days
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a
2020	n/a
2021	n/a

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 Nanortalik Heliport standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Nanortalik Heliport 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.

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