Heating Degree Days, gaps filled in Portugal

Portugal: Heating Degree Days, gaps filled was 2,305 in 2024. ▼ Falling

Latest (2024)
2,305
Change on year
down 2.9%
World rank
68th
of 189 countries
All-time high
4,020
in 1978
All-time low
2,231
in 1995
Years of data
65
1960–2024

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

01.0k2.0k3.0k4.0k196019922024

Source: Statizoid (derived).

Analysis

In 2024, heating degree days, gaps filled in Portugal stood at 2,305.

Compared with earlier readings it is down 2.9% on the previous year and down 12.0% over ten years.

Over the whole period, heating degree days, gaps filled in Portugal peaked at 4,020 in 1978 and was at its lowest, 2,231, in 1995.

Portugal ranks 68th of 189 countries on this measure, in the middle of the range.

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

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

Annual values for Heating Degree Days, gaps filled in Portugal, 1960 to 2024.
Year Value Change
1960 3,088
1961 2,640 -14.5%
1962 3,145 +19.1%
1963 3,128 -0.5%
1964 3,273 +4.6%
1965 3,105 -5.1%
1966 3,069 -1.1%
1967 3,131 +2.0%
1968 3,006 -4.0%
1969 3,369 +12.1%
1970 3,217 -4.5%
1971 3,423 +6.4%
1972 3,517 +2.8%
1973 3,175 -9.7%
1974 3,346 +5.4%
1975 3,293 -1.6%
1976 3,281 -0.4%
1977 3,156 -3.8%
1978 4,020 +27.3%
1979 3,237 -19.5%
1980 3,143 -2.9%
1981 2,856 -9.2%
1982 2,933 +2.7%
1983 2,967 +1.1%
1984 3,220 +8.6%
1985 2,996 -7.0%
1986 3,168 +5.7%
1987 2,767 -12.6%
1988 2,934 +6.0%
1989 2,549 -13.1%
1990 2,755 +8.1%
1991 3,124 +13.4%
1992 3,022 -3.3%
1993 3,312 +9.6%
1994 2,793 -15.7%
1995 2,231 -20.1%
1996 2,878 +29.0%
1997 2,243 -22.0%
1998 2,721 +21.3%
1999 2,949 +8.4%
2000 2,889 -2.0%
2001 2,843 -1.6%
2002 2,646 -6.9%
2003 2,788 +5.4%
2004 2,939 +5.4%
2005 2,989 +1.7%
2006 2,731 -8.6%
2007 2,888 +5.8%
2008 2,944 +1.9%
2009 2,653 -9.9%
2010 2,949 +11.2%
2011 2,536 -14.0%
2012 3,033 +19.6%
2013 3,014 -0.6%
2014 2,618 -13.1%
2015 2,578 -1.5%
2016 2,808 +8.9%
2017 2,478 -11.7%
2018 2,944 +18.8%
2019 2,653 -9.9%
2020 2,510 -5.4%
2021 2,604 +3.8%
2022 2,323 -10.8%
2023 2,373 +2.1%
2024 2,305 -2.9%

Averages by decade

DecadeAverage LowestHighest Years
1960s 3,095 2,640 3,369 10
1970s 3,367 3,156 4,020 10
1980s 2,953 2,549 3,220 10
1990s 2,803 2,231 3,312 10
2000s 2,831 2,646 2,989 10
2010s 2,761 2,478 3,033 10
2020s 2,423 2,305 2,604 5

Countries ranked near Portugal

  1. 65 Pakistan 2,562 compare
  2. 66 Lebanon 2,532 compare
  3. 67 Monaco 2,390 compare
  4. 69 Syrian Arab Republic 1,943 compare
  5. 70 Peru 1,832 compare
  6. 71 Uruguay 1,782 compare

See the full ranking of 189 places →

More environment data for Portugal

All data for Portugal →

Frequently asked questions

What is heating degree days, gaps filled in Portugal?
Heating degree days, gaps filled in Portugal was 2,305 in 2024, according to Statizoid (derived).
What is the highest heating degree days, gaps filled recorded in Portugal?
The highest recorded value was 4,020 in 1978.
What is the lowest heating degree days, gaps filled recorded in Portugal?
The lowest recorded value was 2,231 in 1995.
How does Portugal rank for heating degree days, gaps filled?
Portugal ranks 68th out of 189 countries with data for 2024.
Is heating degree days, gaps filled rising or falling in Portugal?
Over the last ten years it is down 12.0%. The long-run trend across the full record is falling.
Where does this Portugal 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 Portugal. Statizoid, drawing on Statizoid (derived). Retrieved 16 September 2026, from https://environment.statizoid.com/stat/heating-degree-days-gaps-filled/portugal/

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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.