Built 2026-10-15 (15 October 2026)

Ilulissat Mittarfik Weather Records (GLE00100992)

Record envelope, standing records and threshold days for Ilulissat Mittarfik (GLE00100992), Greenland [Denmark], with 31 years of record.

Key Facts for Ilulissat Mittarfik

  • Ilulissat Mittarfik (GLE00100992) is a weather station in Greenland [Denmark] at 69.23 latitude and -51.07 longitude, 29 m (95 ft) above sea level.
  • The station reports from 1991 to 2021, 31 years of record.
  • 1,464 records set at Ilulissat Mittarfik 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], 69.23 latitude, -51.07 longitude.
  • Elevation: 29 m (95 ft).
  • Period of record: 1991 to 2021, 31 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Ilulissat Mittarfik, with 2026 drawn through them The band shows the record high and record low for each calendar day at Ilulissat Mittarfik. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Ilulissat Mittarfik. 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 Ilulissat Mittarfik, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan9.6 C (49.3 F)-34.5 C (-30.1 F)n/an/a
Feb11.9 C (53.4 F)-37.0 C (-34.6 F)n/an/a
Mar9.9 C (49.8 F)-40.5 C (-40.9 F)n/an/a
Apr13.3 C (55.9 F)-30.2 C (-22.4 F)n/an/a
May17.2 C (63.0 F)-22.2 C (-8.0 F)n/an/a
Jun21.1 C (70.0 F)-4.9 C (23.2 F)n/an/a
Jul21.7 C (71.1 F)-1.1 C (30.0 F)n/an/a
Aug20.6 C (69.1 F)-2.4 C (27.7 F)n/an/a
Sep18.5 C (65.3 F)-10.3 C (13.5 F)n/an/a
Oct19.4 C (66.9 F)-17.2 C (1.0 F)n/an/a
Nov15.3 C (59.5 F)-23.0 C (-9.4 F)n/an/a
Dec12.2 C (54.0 F)-27.3 C (-17.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Ilulissat Mittarfik by the year they were set 1,464 records at Ilulissat Mittarfik still stand. 1993 holds the most, with 121. 0501001501991: 181992: 1171993: 1211994: 761995: 811996: 551997: 641998: 261999: 582000: 262001: 432002: 492003: 592004: 302005: 662006: 222007: 302008: 332009: 492010: 722011: 402012: 262013: 272014: 362015: 432016: 422017: 232018: 442019: 562020: 321991199419972000200320062009201220152018
1,464 records at Ilulissat Mittarfik still stand. 1993 holds the most, with 121.
Standing records at Ilulissat Mittarfik by the year they were set
Year setStanding records
199118
1992117
1993121
199476
199581
199655
199764
199826
199958
200026
200143
200249
200359
200430
200566
200622
200730
200833
200949
201072
201140
201226
201327
201436
201543
201642
201723
201844
201956
202032

Period of Record Coverage

1991 to 2021
Days with data per year at Ilulissat Mittarfik 31 years of record at Ilulissat Mittarfik, 1991 to 2021. 3 years have data for under 90 percent of days and are left out of rankings: 1991, 2006, 2021. 1991: 92 of 365 days1992: 361 of 366 days1993: 331 of 365 days1994: 365 of 365 days1995: 359 of 365 days1996: 366 of 366 days1997: 364 of 365 days1998: 364 of 365 days1999: 364 of 365 days2000: 348 of 366 days2001: 364 of 365 days2002: 364 of 365 days2003: 364 of 365 days2004: 365 of 366 days2005: 339 of 365 days2006: 167 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 363 of 365 days2010: 357 of 365 days2011: 364 of 365 days2012: 364 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 363 of 365 days2016: 365 of 366 days2017: 362 of 365 days2018: 364 of 365 days2019: 363 of 365 days2020: 365 of 366 days2021: 1 of 365 days199520002005201020152020
31 years of record at Ilulissat Mittarfik, 1991 to 2021. 3 years have data for under 90 percent of days and are left out of rankings: 1991, 2006, 2021.
Days with data per year at Ilulissat Mittarfik
YearDays with dataShare of yearComplete
19919225%No
199236199%Yes
199333191%Yes
1994365100%Yes
199535998%Yes
1996366100%Yes
1997364100%Yes
1998364100%Yes
1999364100%Yes
200034895%Yes
2001364100%Yes
2002364100%Yes
2003364100%Yes
2004365100%Yes
200533993%Yes
200616746%No
2007365100%Yes
2008366100%Yes
200936399%Yes
201035798%Yes
2011364100%Yes
201236499%Yes
2013365100%Yes
2014365100%Yes
201536399%Yes
2016365100%Yes
201736299%Yes
2018364100%Yes
201936399%Yes
2020365100%Yes
202110%No

Latest Records

0

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

Climate Trend

24 complete years, 1992 to 2020
Annual mean temperature at Ilulissat Mittarfik as warming stripes, 1992 to 2020 One stripe for each of 24 complete years at Ilulissat Mittarfik, 1992 to 2020. Blue stripes are years cooler than the station's own mean of -3.6 C (25.5 F); red stripes are warmer. The coolest year was 1992, at -7.2 C (19.1 F), and the warmest was 2010, at 0.1 C (32.1 F). The strongest colour marks a difference of 3.7 C (6.7 F). 1992: -7.2 C, -3.6 C from the station mean1994: -5.9 C, -2.3 C from the station mean1995: -4.9 C, -1.3 C from the station mean1996: -3.7 C, -0.1 C from the station mean1997: -3.8 C, -0.2 C from the station mean1998: -3.0 C, +0.6 C from the station mean1999: -4.9 C, -1.3 C from the station mean2001: -3.6 C, 0.0 C from the station mean2002: -3.7 C, -0.2 C from the station mean2003: -1.6 C, +2.0 C from the station mean2004: -3.2 C, +0.4 C from the station mean2007: -2.5 C, +1.1 C from the station mean2008: -3.6 C, 0.0 C from the station mean2009: -3.3 C, +0.3 C from the station mean2010: 0.1 C, +3.7 C from the station mean2011: -4.0 C, -0.4 C from the station mean2012: -3.1 C, +0.5 C from the station mean2014: -3.0 C, +0.6 C from the station mean2015: -6.0 C, -2.4 C from the station mean2016: -1.8 C, +1.7 C from the station mean2017: -3.7 C, -0.1 C from the station mean2018: -4.7 C, -1.2 C from the station mean2019: -1.7 C, +1.9 C from the station mean2020: -3.3 C, +0.2 C from the station mean1992199520002005201020152020
One stripe for each of 24 complete years at Ilulissat Mittarfik, 1992 to 2020. Blue stripes are years cooler than the station's own mean of -3.6 C (25.5 F); red stripes are warmer. The coolest year was 1992, at -7.2 C (19.1 F), and the warmest was 2010, at 0.1 C (32.1 F). The strongest colour marks a difference of 3.7 C (6.7 F).
Annual mean temperature at Ilulissat Mittarfik as warming stripes, 1992 to 2020
YearAnnual mean temperatureDifference from the station mean
1992-7.2 C-3.59 C
1994-5.9 C-2.35 C
1995-4.9 C-1.30 C
1996-3.7 C-0.11 C
1997-3.8 C-0.22 C
1998-3.0 C+0.56 C
1999-4.9 C-1.27 C
2001-3.6 C+0.03 C
2002-3.7 C-0.16 C
2003-1.6 C+1.98 C
2004-3.2 C+0.36 C
2007-2.5 C+1.08 C
2008-3.6 C-0.04 C
2009-3.3 C+0.30 C
20100.1 C+3.67 C
2011-4.0 C-0.41 C
2012-3.1 C+0.53 C
2014-3.0 C+0.63 C
2015-6.0 C-2.38 C
2016-1.8 C+1.74 C
2017-3.7 C-0.07 C
2018-4.7 C-1.16 C
2019-1.7 C+1.85 C
2020-3.3 C+0.24 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

1991 to 2021
Yearly extremes at Ilulissat Mittarfik: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)21.7 C (71.1 F)201718.6 C (65.5 F)31
Coldest night (TNn)-40.5 C (-40.9 F)1993-28.9 C (-20.0 F)31

Hottest day (TXx)

Hottest day (TXx) at Ilulissat Mittarfik by year The hottest day of the year at Ilulissat Mittarfik, 1991 to 2021. The record is 21.7 C (71.1 F) in 2017, marked on the chart; the median year is 18.6 C (65.5 F). 510152025199520002005201020152020Record: 21.7 C (71.1 F) in 2017
The hottest day of the year at Ilulissat Mittarfik, 1991 to 2021. The record is 21.7 C (71.1 F) in 2017, marked on the chart; the median year is 18.6 C (65.5 F).
Hottest day (TXx) at Ilulissat Mittarfik by year
YearHottest day (TXx)
199113.8 C (56.8 F)
199215.1 C (59.2 F)
199320.6 C (69.1 F)
199416.0 C (60.8 F)
199517.7 C (63.9 F)
199616.5 C (61.7 F)
199717.7 C (63.9 F)
199819.0 C (66.2 F)
199918.5 C (65.3 F)
200018.9 C (66.0 F)
200119.9 C (67.8 F)
200221.1 C (70.0 F)
200319.9 C (67.8 F)
200417.1 C (62.8 F)
200519.4 C (66.9 F)
20069.6 C (49.3 F)
200719.7 C (67.5 F)
200818.6 C (65.5 F)
200918.3 C (64.9 F)
201019.4 C (66.9 F)
201120.6 C (69.1 F)
201221.1 C (70.0 F)
201317.8 C (64.0 F)
201418.3 C (64.9 F)
201518.9 C (66.0 F)
201619.4 C (66.9 F)
201721.7 C (71.1 F)
201818.3 C (64.9 F)
201920.0 C (68.0 F)
202015.6 C (60.1 F)
20215.0 C (41.0 F)

Coldest night (TNn)

Coldest night (TNn) at Ilulissat Mittarfik by year The coldest night of the year at Ilulissat Mittarfik, 1991 to 2021. The record is -40.5 C (-40.9 F) in 1993, marked on the chart; the median year is -28.9 C (-20.0 F). -50-40-30-20-100199520002005201020152020Record: -40.5 C (-40.9 F) in 1993
The coldest night of the year at Ilulissat Mittarfik, 1991 to 2021. The record is -40.5 C (-40.9 F) in 1993, marked on the chart; the median year is -28.9 C (-20.0 F).
Coldest night (TNn) at Ilulissat Mittarfik by year
YearColdest night (TNn)
1991-22.8 C (-9.0 F)
1992-37.0 C (-34.6 F)
1993-40.5 C (-40.9 F)
1994-35.3 C (-31.5 F)
1995-36.8 C (-34.2 F)
1996-36.0 C (-32.8 F)
1997-37.2 C (-35.0 F)
1998-33.3 C (-27.9 F)
1999-31.0 C (-23.8 F)
2000-27.5 C (-17.5 F)
2001-34.7 C (-30.5 F)
2002-33.5 C (-28.3 F)
2003-24.7 C (-12.5 F)
2004-26.7 C (-16.1 F)
2005-25.0 C (-13.0 F)
2006-28.7 C (-19.7 F)
2007-24.6 C (-12.3 F)
2008-33.8 C (-28.8 F)
2009-29.3 C (-20.7 F)
2010-19.4 C (-2.9 F)
2011-25.0 C (-13.0 F)
2012-32.2 C (-26.0 F)
2013-8.9 C (16.0 F)
2014-27.8 C (-18.0 F)
2015-31.7 C (-25.1 F)
2016-25.0 C (-13.0 F)
2017-33.9 C (-29.0 F)
2018-28.9 C (-20.0 F)
2019-26.7 C (-16.1 F)
2020-28.9 C (-20.0 F)
2021-7.8 C (18.0 F)

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

24 years with a frost

Across 24 years with a frost, the median last spring frost at Ilulissat Mittarfik falls on 9 June and the median first autumn frost on 20 August, which leaves a median of 70 days between them.

Frost dates and growing season at Ilulissat Mittarfik
MeasureMedian, all yearsEarliest periodRecent period (1992 to 2020)Recent against earliestFitted trend
Last spring frost9 Junen/a9 Junen/an/a
First autumn frost20 Augustn/a20 Augustn/an/a
Growing days70 daysn/a70 daysn/an/a

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 Ilulissat Mittarfik standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Ilulissat Mittarfik 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 . Last revised (2025-12-31).