Heating Degree Days, gaps filled in South Africa

South Africa: Heating Degree Days, gaps filled was 1,439 in 2024. ▼ Falling

Latest (2024)
1,439
Change on year
down 12.8%
World rank
74th
of 189 countries
All-time high
2,302
in 1968
All-time low
1,255
in 2019
Years of data
65
1960–2024

Heating Degree Days, gaps filled in South Africa, 1960–2024

05001.0k1.5k2.0k2.5k196019922024

Source: Statizoid (derived).

Analysis

In 2024, heating degree days, gaps filled in South Africa stood at 1,439.

Compared with earlier readings it is down 12.8% on the previous year and down 13.7% over ten years.

Over the whole period, heating degree days, gaps filled in South Africa peaked at 2,302 in 1968 and was at its lowest, 1,255, in 2019.

South Africa ranks 74th 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 South Africa, year by year

Annual values for Heating Degree Days, gaps filled in South Africa, 1960 to 2024.
Year Value Change
1960 1,956
1961 1,913 -2.2%
1962 1,776 -7.2%
1963 1,959 +10.3%
1964 2,130 +8.7%
1965 2,039 -4.3%
1966 1,795 -11.9%
1967 2,063 +14.9%
1968 2,302 +11.6%
1969 1,937 -15.9%
1970 1,935 -0.1%
1971 1,984 +2.5%
1972 1,901 -4.2%
1973 1,933 +1.7%
1974 2,134 +10.4%
1975 2,040 -4.4%
1976 2,130 +4.4%
1977 1,924 -9.7%
1978 1,974 +2.6%
1979 1,899 -3.8%
1980 1,815 -4.4%
1981 2,094 +15.4%
1982 1,842 -12.1%
1983 1,763 -4.3%
1984 1,844 +4.6%
1985 1,697 -8.0%
1986 1,667 -1.8%
1987 1,764 +5.8%
1988 1,916 +8.7%
1989 1,933 +0.9%
1990 1,881 -2.7%
1991 1,834 -2.5%
1992 1,778 -3.0%
1993 1,622 -8.8%
1994 1,915 +18.1%
1995 1,884 -1.6%
1996 2,128 +13.0%
1997 1,949 -8.4%
1998 1,681 -13.7%
1999 1,577 -6.2%
2000 1,864 +18.2%
2001 1,777 -4.7%
2002 1,806 +1.6%
2003 1,801 -0.3%
2004 1,694 -5.9%
2005 1,601 -5.5%
2006 1,921 +20.0%
2007 1,780 -7.3%
2008 1,729 -2.9%
2009 1,748 +1.1%
2010 1,564 -10.5%
2011 1,979 +26.5%
2012 1,855 -6.3%
2013 1,771 -4.5%
2014 1,667 -5.9%
2015 1,444 -13.4%
2016 1,480 +2.5%
2017 1,512 +2.1%
2018 1,619 +7.1%
2019 1,255 -22.5%
2020 1,656 +32.0%
2021 1,630 -1.6%
2022 1,574 -3.5%
2023 1,651 +4.9%
2024 1,439 -12.8%

Averages by decade

DecadeAverage LowestHighest Years
1960s 1,987 1,776 2,302 10
1970s 1,985 1,899 2,134 10
1980s 1,834 1,667 2,094 10
1990s 1,825 1,577 2,128 10
2000s 1,772 1,601 1,921 10
2010s 1,615 1,255 1,979 10
2020s 1,590 1,439 1,656 5

Countries ranked near South Africa

  1. 71 Uruguay 1,782 compare
  2. 72 Jordan 1,647 compare
  3. 73 Bolivia, Plurinational State of 1,469 compare
  4. 75 Morocco 1,358 compare
  5. 76 Iraq 1,328 compare
  6. 77 Cyprus 1,185 compare

See the full ranking of 189 places →

More environment data for South Africa

All data for South Africa →

Frequently asked questions

What is heating degree days, gaps filled in South Africa?
Heating degree days, gaps filled in South Africa was 1,439 in 2024, according to Statizoid (derived).
What is the highest heating degree days, gaps filled recorded in South Africa?
The highest recorded value was 2,302 in 1968.
What is the lowest heating degree days, gaps filled recorded in South Africa?
The lowest recorded value was 1,255 in 2019.
How does South Africa rank for heating degree days, gaps filled?
South Africa ranks 74th out of 189 countries with data for 2024.
Is heating degree days, gaps filled rising or falling in South Africa?
Over the last ten years it is down 13.7%. The long-run trend across the full record is falling.
Where does this South Africa 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 South Africa. Statizoid, drawing on Statizoid (derived). Retrieved 16 September 2026, from https://environment.statizoid.com/stat/heating-degree-days-gaps-filled/south-africa/

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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.