Cooling and heating degree days - Cities and FUAs — Change in heating in Reykjavík
Reykjavík: Cooling and heating degree days - Cities and FUAs — Change in heating was -302.25 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-302.25 % change on previous year
Change on year
down 161.3%
Rank
1213th
of 1290 regions
All-time high
670.32 % change on previous year
in 1966
All-time low
-982.58 % change on previous year
in 1997
Years of data
74
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Reykjavík, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Reykjavík recorded -302.25 % change on previous year for cooling and heating degree days - cities and fuas — change in heating in 2025.
The figure is down 161.3% on the previous year and down 388.3% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Reykjavík peaked at 670.32 % change on previous year in 1966 and was at its lowest, -982.58 % change on previous year, in 1997.
That places Reykjavík 1213th out of 1290 regions with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Cooling and heating degree days - Cities and FUAs — Change in heating in Reykjavík, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | 231.33 % change on previous year | — |
| 1952 | -79.18 % change on previous year | -134.2% |
| 1953 | -395 % change on previous year | +398.9% |
| 1954 | 73.14 % change on previous year | -118.5% |
| 1955 | 536.57 % change on previous year | +633.7% |
| 1956 | -182.5 % change on previous year | -134.0% |
| 1957 | 152.29 % change on previous year | -183.4% |
| 1958 | 61.62 % change on previous year | -59.5% |
| 1959 | -3.4 % change on previous year | -105.5% |
| 1960 | -229.18 % change on previous year | +6631.6% |
| 1961 | 212.08 % change on previous year | -192.5% |
| 1962 | 47.01 % change on previous year | -77.8% |
| 1963 | -36.57 % change on previous year | -177.8% |
| 1964 | -206.45 % change on previous year | +464.5% |
| 1965 | 130.91 % change on previous year | -163.4% |
| 1966 | 670.32 % change on previous year | +412.0% |
| 1967 | -30.09 % change on previous year | -104.5% |
| 1968 | -22.31 % change on previous year | -25.9% |
| 1969 | 155.51 % change on previous year | -797.2% |
| 1970 | -35.56 % change on previous year | -122.9% |
| 1971 | -51.32 % change on previous year | +44.3% |
| 1972 | -132.28 % change on previous year | +157.7% |
| 1973 | 600.61 % change on previous year | -554.1% |
| 1974 | -127.4 % change on previous year | -121.2% |
| 1975 | 321.52 % change on previous year | -352.4% |
| 1976 | -51.6 % change on previous year | -116.1% |
| 1977 | 149.45 % change on previous year | -389.6% |
| 1978 | 52.31 % change on previous year | -65.0% |
| 1979 | 106.59 % change on previous year | +103.8% |
| 1980 | -86.44 % change on previous year | -181.1% |
| 1981 | 372.45 % change on previous year | -530.9% |
| 1982 | -34.52 % change on previous year | -109.3% |
| 1983 | 52.62 % change on previous year | -252.4% |
| 1984 | -40.41 % change on previous year | -176.8% |
| 1985 | -52.88 % change on previous year | +30.9% |
| 1986 | 68.66 % change on previous year | -229.8% |
| 1987 | -247.27 % change on previous year | -460.1% |
| 1988 | 177.02 % change on previous year | -171.6% |
| 1989 | -5.62 % change on previous year | -103.2% |
| 1990 | -111.89 % change on previous year | +1891.5% |
| 1991 | -735.35 % change on previous year | +557.2% |
| 1992 | 161.38 % change on previous year | -121.9% |
| 1993 | -55.46 % change on previous year | -134.4% |
| 1994 | 341.7 % change on previous year | -716.1% |
| 1995 | 21.19 % change on previous year | -93.8% |
| 1996 | -103.73 % change on previous year | -589.5% |
| 1997 | -982.58 % change on previous year | +847.3% |
| 1998 | 142.09 % change on previous year | -114.5% |
| 1999 | 198.14 % change on previous year | +39.5% |
| 2000 | -24.81 % change on previous year | -112.5% |
| 2001 | -227.54 % change on previous year | +817.2% |
| 2002 | -35.07 % change on previous year | -84.6% |
| 2003 | -100.27 % change on previous year | +185.9% |
| 2004 | 20.64 % change on previous year | -120.6% |
| 2005 | 34.57 % change on previous year | +67.5% |
| 2006 | -32.31 % change on previous year | -193.5% |
| 2007 | 6.98 % change on previous year | -121.6% |
| 2008 | 63.44 % change on previous year | +809.4% |
| 2009 | -118.17 % change on previous year | -286.3% |
| 2010 | -93.17 % change on previous year | -21.2% |
| 2011 | 62.29 % change on previous year | -166.9% |
| 2012 | -83.69 % change on previous year | -234.4% |
| 2013 | 60.05 % change on previous year | -171.7% |
| 2014 | -174.8 % change on previous year | -391.1% |
| 2015 | 104.83 % change on previous year | -160.0% |
| 2017 | 33.54 % change on previous year | -68.0% |
| 2018 | 39.92 % change on previous year | +19.0% |
| 2019 | -105.41 % change on previous year | -364.1% |
| 2020 | 60.61 % change on previous year | -157.5% |
| 2021 | -114.81 % change on previous year | -289.4% |
| 2022 | 36.69 % change on previous year | -132.0% |
| 2023 | 123.36 % change on previous year | +236.2% |
| 2024 | 492.85 % change on previous year | +299.5% |
| 2025 | -302.25 % change on previous year | -161.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 43.87 % change on previous year | -395 % change on previous year | 536.57 % change on previous year | 9 |
| 1960s | 69.12 % change on previous year | -229.18 % change on previous year | 670.32 % change on previous year | 10 |
| 1970s | 83.23 % change on previous year | -132.28 % change on previous year | 600.61 % change on previous year | 10 |
| 1980s | 20.36 % change on previous year | -247.27 % change on previous year | 372.45 % change on previous year | 10 |
| 1990s | -112.45 % change on previous year | -982.58 % change on previous year | 341.7 % change on previous year | 10 |
| 2000s | -41.25 % change on previous year | -227.54 % change on previous year | 63.44 % change on previous year | 10 |
| 2010s | -17.38 % change on previous year | -174.8 % change on previous year | 104.83 % change on previous year | 9 |
| 2020s | 49.41 % change on previous year | -302.25 % change on previous year | 492.85 % change on previous year | 6 |
More reference data data for Reykjavík
- Cooling and heating degree days - Cities and FUAs — Cooling degree 0 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -0.0689 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 3,918 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -604.17 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 5 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -3.48 Days per year (2024)
- Dependency ratio - Cities and FUAs 23 Percentage of population aged 15-64 years (2025)
- Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area (2023)
- Coastal flooding - Cities and FUAs — Built-up area exposure to 2.34 Percentage of built-up area (2022)
- Internet speed - Cities and FUAs — Downloading speed 6.9 Percentage of national value (2025)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Reykjavík?
- Cooling and heating degree days - cities and fuas — change in heating in Reykjavík was -302.25 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest cooling and heating degree days - cities and fuas — change in heating recorded in Reykjavík?
- The highest recorded value was 670.32 % change on previous year in 1966.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Reykjavík?
- The lowest recorded value was -982.58 % change on previous year in 1997.
- How does Reykjavík rank for cooling and heating degree days - cities and fuas — change in heating?
- Reykjavík ranks 1213th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Reykjavík?
- Over the last ten years it is down 388.3%. The long-run trend across the full record is volatile.
- Where does this Reykjavík data come from?
- The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Cooling and heating degree days - Cities and FUAs — Change in heating Organisation for Economic Co-operation and Development
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
The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.