Cooling and heating degree days - Cities and FUAs — Change in heating in Porto
Porto: Cooling and heating degree days - Cities and FUAs — Change in heating was 3.76 % change on previous year in 2025. ◆ Volatile
Latest (2025)
3.76 % change on previous year
Change on year
up 106.5%
Rank
8th
of 16 groups
All-time high
677.47 % change on previous year
in 1969
All-time low
-850.17 % change on previous year
in 1982
Years of data
73
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Porto, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for cooling and heating degree days - cities and fuas — change in heating in Porto is 3.76 % change on previous year, measured in 2025.
That represents a change of up 106.5% on the previous year and up 109.9% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Porto peaked at 677.47 % change on previous year in 1969 and was at its lowest, -850.17 % change on previous year, in 1982.
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 Porto, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | 294.77 % change on previous year | — |
| 1952 | -42.88 % change on previous year | -114.5% |
| 1953 | -39.15 % change on previous year | -8.7% |
| 1954 | 232.76 % change on previous year | -694.5% |
| 1955 | -158.73 % change on previous year | -168.2% |
| 1956 | 386.41 % change on previous year | -343.4% |
| 1957 | -70.61 % change on previous year | -118.3% |
| 1958 | -83.58 % change on previous year | +18.4% |
| 1959 | -349.22 % change on previous year | +317.8% |
| 1960 | 68.1 % change on previous year | -119.5% |
| 1962 | 153.24 % change on previous year | +125.0% |
| 1963 | -1.68 % change on previous year | -101.1% |
| 1964 | 93.96 % change on previous year | -5705.8% |
| 1965 | -67.24 % change on previous year | -171.6% |
| 1966 | -149.31 % change on previous year | +122.1% |
| 1967 | 467.49 % change on previous year | -413.1% |
| 1968 | -65.49 % change on previous year | -114.0% |
| 1969 | 677.47 % change on previous year | -1134.4% |
| 1970 | -31.09 % change on previous year | -104.6% |
| 1971 | 16.23 % change on previous year | -152.2% |
| 1972 | 1.39 % change on previous year | -91.4% |
| 1973 | -33.89 % change on previous year | -2532.6% |
| 1974 | -7.67 % change on previous year | -77.4% |
| 1975 | 21.92 % change on previous year | -385.6% |
| 1976 | 6.97 % change on previous year | -68.2% |
| 1977 | -24.85 % change on previous year | -456.7% |
| 1978 | 282.93 % change on previous year | -1238.6% |
| 1979 | -68.14 % change on previous year | -124.1% |
| 1980 | -37.93 % change on previous year | -44.3% |
| 1981 | -101.3 % change on previous year | +167.1% |
| 1982 | -850.17 % change on previous year | +739.2% |
| 1983 | 409.87 % change on previous year | -148.2% |
| 1984 | 148.24 % change on previous year | -63.8% |
| 1985 | -12.67 % change on previous year | -108.6% |
| 1986 | 67.84 % change on previous year | -635.2% |
| 1987 | -133.45 % change on previous year | -296.7% |
| 1988 | 57.43 % change on previous year | -143.0% |
| 1989 | -573.51 % change on previous year | -1098.6% |
| 1990 | 58.9 % change on previous year | -110.3% |
| 1991 | 255.25 % change on previous year | +333.4% |
| 1992 | -22.88 % change on previous year | -109.0% |
| 1993 | 39.34 % change on previous year | -272.0% |
| 1994 | -160.6 % change on previous year | -508.2% |
| 1995 | -299.81 % change on previous year | +86.7% |
| 1996 | 106.33 % change on previous year | -135.5% |
| 1998 | 65.94 % change on previous year | -38.0% |
| 1999 | 161.41 % change on previous year | +144.8% |
| 2000 | -71.37 % change on previous year | -144.2% |
| 2001 | 55.02 % change on previous year | -177.1% |
| 2002 | -510.18 % change on previous year | -1027.2% |
| 2003 | 72.21 % change on previous year | -114.2% |
| 2004 | 373.65 % change on previous year | +417.5% |
| 2005 | 108.52 % change on previous year | -71.0% |
| 2006 | -110.29 % change on previous year | -201.6% |
| 2007 | 205.76 % change on previous year | -286.6% |
| 2008 | -21.17 % change on previous year | -110.3% |
| 2009 | -314.03 % change on previous year | +1383.2% |
| 2010 | 419.71 % change on previous year | -233.7% |
| 2011 | -195.37 % change on previous year | -146.5% |
| 2012 | 207.1 % change on previous year | -206.0% |
| 2013 | -20.34 % change on previous year | -109.8% |
| 2014 | -227.17 % change on previous year | +1016.7% |
| 2015 | -38.17 % change on previous year | -83.2% |
| 2016 | 54.9 % change on previous year | -243.8% |
| 2017 | -81.38 % change on previous year | -248.2% |
| 2018 | 89.35 % change on previous year | -209.8% |
| 2019 | -487.41 % change on previous year | -645.5% |
| 2020 | -210.86 % change on previous year | -56.7% |
| 2021 | 33.28 % change on previous year | -115.8% |
| 2022 | -87.48 % change on previous year | -362.8% |
| 2023 | 54.99 % change on previous year | -162.9% |
| 2024 | -57.65 % change on previous year | -204.8% |
| 2025 | 3.76 % change on previous year | -106.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 18.86 % change on previous year | -349.22 % change on previous year | 386.41 % change on previous year | 9 |
| 1960s | 130.73 % change on previous year | -149.31 % change on previous year | 677.47 % change on previous year | 9 |
| 1970s | 16.38 % change on previous year | -68.14 % change on previous year | 282.93 % change on previous year | 10 |
| 1980s | -102.56 % change on previous year | -850.17 % change on previous year | 409.87 % change on previous year | 10 |
| 1990s | 22.65 % change on previous year | -299.81 % change on previous year | 255.25 % change on previous year | 9 |
| 2000s | -21.19 % change on previous year | -510.18 % change on previous year | 373.65 % change on previous year | 10 |
| 2010s | -27.88 % change on previous year | -487.41 % change on previous year | 419.71 % change on previous year | 10 |
| 2020s | -43.99 % change on previous year | -210.86 % change on previous year | 54.99 % change on previous year | 6 |
More reference data data for Porto
- Cooling and heating degree days - Cities and FUAs — Cooling degree 137.03 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -13.42 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 747.72 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -173.03 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 14.73 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation -2.06 Days per year (2024)
- Dependency ratio - Cities and FUAs 37.5 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area (2023)
- Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area (2022)
- Internet speed - Cities and FUAs — Downloading speed 13.4 Percentage of national value (2025)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Porto?
- Cooling and heating degree days - cities and fuas — change in heating in Porto was 3.76 % 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 Porto?
- The highest recorded value was 677.47 % change on previous year in 1969.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Porto?
- The lowest recorded value was -850.17 % change on previous year in 1982.
- How does Porto rank for cooling and heating degree days - cities and fuas — change in heating?
- Porto ranks 8th out of 16 groups with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Porto?
- Over the last ten years it is up 109.9%. The long-run trend across the full record is volatile.
- Where does this Porto 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 — 73 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.