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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Ikerasassuaq Threshold Days by Year (GLM00004390)

7 fixed thresholds counted per year at Ikerasassuaq (GLM00004390): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ikerasassuaq Thresholds

  • Ikerasassuaq: days with a maximum temperature at or below 0 C (32 F) in 4 years, most in 1999 with 106.
  • Ikerasassuaq: nights with a minimum temperature at or below 0 C (32 F) in 1 years, most in 1999 with 202.
  • Ikerasassuaq: nights with a minimum temperature at or below -10 C (14 F) in 1 years, most in 1999 with 6.
  • 7 fixed thresholds have at least one qualifying day at Ikerasassuaq.
9 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ikerasassuaq Days per year at Ikerasassuaq with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. 0501001501978: 901979: 452007: 542009: 462010: 712011: 572012: 1092016: 982017: 76197819792007200920102011201220162017
Days per year at Ikerasassuaq with 10 mm (0.39 in) or more of precipitation, with the decade average as a line.
Days with 10 mm (0.39 in) or more of precipitation per year at Ikerasassuaq
YearDaysDecade average
19789067.5
19794567.5
20075450
20094650
20107182.2
20115782.2
201210982.2
20169882.2
20177682.2
First to last qualifying date each year at Ikerasassuaq For each year, a bar from the first to the last day at Ikerasassuaq meeting 10 mm (0.39 in). 1978: 11 January 1978 to 28 December 19781979: 4 January 1979 to 31 December 19792007: 19 January 2007 to 19 December 20072009: 2 January 2009 to 14 December 20092010: 8 January 2010 to 31 December 20102011: 24 January 2011 to 30 December 20112012: 1 January 2012 to 10 December 20122016: 8 January 2016 to 30 December 20162017: 1 January 2017 to 30 December 201719782007201020122017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ikerasassuaq meeting 10 mm (0.39 in).
First to last qualifying date each year at Ikerasassuaq
YearFirst dateLast date
19781978-01-111978-12-28
19791979-01-041979-12-31
20072007-01-192007-12-19
20092009-01-022009-12-14
20102010-01-082010-12-31
20112011-01-242011-12-30
20122012-01-012012-12-10
20162016-01-082016-12-30
20172017-01-012017-12-30

Every Fixed Threshold

Fixed thresholds at Ikerasassuaq
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max4106199961
0 C (32 F): Frost days (min12021999202
-10 C (14 F): Days with min1619996
10 mm (0.39 in): Days with 10 mm or more rain90n/a76
25 mm (0.98 in): Days with 25 mm or more rain90n/a31
50 mm (1.97 in): Days with 50 mm or more rain90n/a8
100 mm (3.94 in): Days with 100 mm or more rain20n/a4

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

Download the Data

  • Data for Ikerasassuaq 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). Threshold counts are computed by this site.

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