Heating Degree Days, gaps filled in Iceland

Iceland: Heating Degree Days, gaps filled was 11,456 in 2024. ▼ Falling

Latest (2024)
11,456
Change on year
up 4.3%
World rank
4th
of 189 countries
All-time high
13,247
in 1966
All-time low
10,054
in 2014
Years of data
65
1960–2024

Heating Degree Days, gaps filled in Iceland, 1960–2024

05.0k10.0k15.0k196019922024

Source: Statizoid (derived).

Analysis

Iceland recorded 11,456 for heating degree days, gaps filled in 2024.

Compared with earlier readings it is up 4.3% on the previous year and up 13.9% over ten years.

Over the whole period, heating degree days, gaps filled in Iceland peaked at 13,247 in 1966 and was at its lowest, 10,054, in 2014.

That places Iceland 4th out of 189 countries with data for 2024, putting it in the top 10%.

The long-run direction has been consistently falling across the 65 years of available data.

Heating Degree Days, gaps filled in Iceland, year by year

Annual values for Heating Degree Days, gaps filled in Iceland, 1960 to 2024.
Year Value Change
1960 11,950
1961 12,385 +3.6%
1962 12,789 +3.3%
1963 12,640 -1.2%
1964 12,145 -3.9%
1965 12,708 +4.6%
1966 13,247 +4.2%
1967 12,383 -6.5%
1968 12,266 -0.9%
1969 12,332 +0.5%
1970 12,266 -0.5%
1971 12,050 -1.8%
1972 11,356 -5.8%
1973 12,515 +10.2%
1974 11,613 -7.2%
1975 12,328 +6.2%
1976 11,789 -4.4%
1977 11,879 +0.8%
1978 11,980 +0.8%
1979 12,951 +8.1%
1980 11,449 -11.6%
1981 12,177 +6.4%
1982 11,641 -4.4%
1983 11,992 +3.0%
1984 11,156 -7.0%
1985 11,659 +4.5%
1986 11,515 -1.2%
1987 10,658 -7.4%
1988 11,718 +10.0%
1989 11,588 -1.1%
1990 11,333 -2.2%
1991 10,755 -5.1%
1992 11,401 +6.0%
1993 11,376 -0.2%
1994 11,441 +0.6%
1995 11,682 +2.1%
1996 10,902 -6.7%
1997 10,912 +0.1%
1998 11,365 +4.2%
1999 11,232 -1.2%
2000 11,064 -1.5%
2001 10,867 -1.8%
2002 10,617 -2.3%
2003 10,203 -3.9%
2004 10,395 +1.9%
2005 10,891 +4.8%
2006 10,517 -3.4%
2007 10,644 +1.2%
2008 10,857 +2.0%
2009 10,600 -2.4%
2010 10,518 -0.8%
2011 10,774 +2.4%
2012 10,622 -1.4%
2013 10,847 +2.1%
2014 10,054 -7.3%
2015 11,047 +9.9%
2016 10,152 -8.1%
2017 10,244 +0.9%
2018 10,580 +3.3%
2019 10,630 +0.5%
2020 10,985 +3.3%
2021 10,745 -2.2%
2022 10,852 +1.0%
2023 10,986 +1.2%
2024 11,456 +4.3%

Averages by decade

DecadeAverage LowestHighest Years
1960s 12,484 11,950 13,247 10
1970s 12,073 11,356 12,951 10
1980s 11,555 10,658 12,177 10
1990s 11,240 10,755 11,682 10
2000s 10,665 10,203 11,064 10
2010s 10,547 10,054 11,047 10
2020s 11,005 10,745 11,456 5

Countries ranked near Iceland

  1. 1 Russian Federation 13,726 compare
  2. 2 Canada 13,357 compare
  3. 3 Tajikistan 11,746 compare
  4. 5 Kyrgyzstan 11,209 compare
  5. 6 Mongolia 10,854 compare
  6. 7 Norway 9,617 compare

See the full ranking of 189 places →

More environment data for Iceland

All data for Iceland →

Frequently asked questions

What is heating degree days, gaps filled in Iceland?
Heating degree days, gaps filled in Iceland was 11,456 in 2024, according to Statizoid (derived).
What is the highest heating degree days, gaps filled recorded in Iceland?
The highest recorded value was 13,247 in 1966.
What is the lowest heating degree days, gaps filled recorded in Iceland?
The lowest recorded value was 10,054 in 2014.
How does Iceland rank for heating degree days, gaps filled?
Iceland ranks 4th out of 189 countries with data for 2024.
Is heating degree days, gaps filled rising or falling in Iceland?
Over the last ten years it is up 13.9%. The long-run trend across the full record is falling.
Where does this Iceland data come from?
The figures come from Statizoid (derived), published as part of Heating Degree Days, gaps filled. Statizoid updates them automatically from the source API.

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Heating Degree Days, gaps filled in Iceland. Statizoid, drawing on Statizoid (derived). Retrieved 16 September 2026, from https://environment.statizoid.com/stat/heating-degree-days-gaps-filled/iceland/

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How this figure is calculated

Heating Degree Days with 237 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Heating Degree Days, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
189 places, 11,415 data points, 1960–2024
Last refreshed

Heating Degree Days with 237 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.