Cooling Degree Days in Bulgaria
Bulgaria: Cooling Degree Days was 1,103 in 2024. ▲ Rising
Cooling Degree Days in Bulgaria, 1960–2024
Source: World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
Analysis
In 2024, cooling degree days in Bulgaria stood at 1,103. That is the highest value across all 65 years on record.
The figure is up 27.2% on the previous year and up 97.5% over ten years.
Over the whole period, cooling degree days in Bulgaria peaked at 1,103 in 2024 and was at its lowest, 200.07, in 1976.
Bulgaria ranks 146th of 193 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 65 years of available data.
Cooling Degree Days in Bulgaria, year by year
| Year | Value | Change |
|---|---|---|
| 1960 | 408.7 | — |
| 1961 | 418.05 | +2.3% |
| 1962 | 669.6 | +60.2% |
| 1963 | 649.27 | -3.0% |
| 1964 | 388.72 | -40.1% |
| 1965 | 475.12 | +22.2% |
| 1966 | 424.01 | -10.8% |
| 1967 | 442.3 | +4.3% |
| 1968 | 461.86 | +4.4% |
| 1969 | 438.56 | -5.0% |
| 1970 | 472.77 | +7.8% |
| 1971 | 395.67 | -16.3% |
| 1972 | 478.63 | +21.0% |
| 1973 | 397.86 | -16.9% |
| 1974 | 427.61 | +7.5% |
| 1975 | 456.71 | +6.8% |
| 1976 | 200.07 | -56.2% |
| 1977 | 452.93 | +126.4% |
| 1978 | 314.87 | -30.5% |
| 1979 | 372.52 | +18.3% |
| 1980 | 376.8 | +1.1% |
| 1981 | 447.41 | +18.7% |
| 1982 | 418.65 | -6.4% |
| 1983 | 375.23 | -10.4% |
| 1984 | 381.08 | +1.6% |
| 1985 | 487.16 | +27.8% |
| 1986 | 476.65 | -2.2% |
| 1987 | 604.5 | +26.8% |
| 1988 | 640.81 | +6.0% |
| 1989 | 399.4 | -37.7% |
| 1990 | 520.17 | +30.2% |
| 1991 | 434.16 | -16.5% |
| 1992 | 526.51 | +21.3% |
| 1993 | 596.09 | +13.2% |
| 1994 | 786.55 | +32.0% |
| 1995 | 507.56 | -35.5% |
| 1996 | 576.88 | +13.7% |
| 1997 | 447.37 | -22.5% |
| 1998 | 665.23 | +48.7% |
| 1999 | 664.49 | -0.1% |
| 2000 | 788.05 | +18.6% |
| 2001 | 732.92 | -7.0% |
| 2002 | 613.99 | -16.2% |
| 2003 | 762.22 | +24.1% |
| 2004 | 451.81 | -40.7% |
| 2005 | 445.49 | -1.4% |
| 2006 | 611.1 | +37.2% |
| 2007 | 870.54 | +42.5% |
| 2008 | 741.26 | -14.9% |
| 2009 | 648.9 | -12.5% |
| 2010 | 725.85 | +11.9% |
| 2011 | 689.73 | -5.0% |
| 2012 | 1,022 | +48.2% |
| 2013 | 706.77 | -30.9% |
| 2014 | 558.35 | -21.0% |
| 2015 | 738.4 | +32.2% |
| 2016 | 774.68 | +4.9% |
| 2017 | 778.88 | +0.5% |
| 2018 | 676.27 | -13.2% |
| 2019 | 735.32 | +8.7% |
| 2020 | 754.83 | +2.7% |
| 2021 | 771.32 | +2.2% |
| 2022 | 797.66 | +3.4% |
| 2023 | 867.31 | +8.7% |
| 2024 | 1,103 | +27.2% |
Bulgaria compared with similar countries
- Bulgaria's 1,103 is above the median for high income countries, which is 1,082, 1.0× the median. (64 countries reporting)
- Bulgaria's 1,103 is above the median for Europe & Central Asia, which is 506.14, 2.2× the median. (52 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 477.62 | 388.72 | 669.6 | 10 |
| 1970s | 396.96 | 200.07 | 478.63 | 10 |
| 1980s | 460.77 | 375.23 | 640.81 | 10 |
| 1990s | 572.5 | 434.16 | 786.55 | 10 |
| 2000s | 666.63 | 445.49 | 870.54 | 10 |
| 2010s | 740.66 | 558.35 | 1,022 | 10 |
| 2020s | 858.8 | 754.83 | 1,103 | 5 |
Countries ranked near Bulgaria
More environment data for Bulgaria
- Historical exposure to drought — Land soil moisture anomaly -1.39 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -1.52 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.573 °C (2025)
- Temperature change 2.18 °C (2025)
- Wood-based panels — Production, annual growth rate 0 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -6.02 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate -0.7509 % change on previous year (2024)
Frequently asked questions
- What is cooling degree days in Bulgaria?
- Cooling degree days in Bulgaria was 1,103 in 2024, according to World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
- What is the highest cooling degree days recorded in Bulgaria?
- The highest recorded value was 1,103 in 2024.
- What is the lowest cooling degree days recorded in Bulgaria?
- The lowest recorded value was 200.07 in 1976.
- How does Bulgaria rank for cooling degree days?
- Bulgaria ranks 146th out of 193 countries with data for 2024.
- Is cooling degree days rising or falling in Bulgaria?
- Over the last ten years it is up 97.5%. The long-run trend across the full record is rising.
- Where does this Bulgaria data come from?
- The figures come from World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org, published as part of Cooling Degree Days. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 65 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
A cooling degree day (CDD) is a measurement designed to track energy use. It is the number of degrees that a day's average temperature is above 18°C (65°F). Daily degree days are accumulated to obtain annual values.