Average annual surface temperature in Slovenia
Slovenia: Average annual surface temperature was 10.92 °C in 2025. ▲ Rising
Latest (2025)
10.92 °C
Change on year
down 5.6%
World rank
154th
of 193 countries
All-time high
11.56 °C
in 2024
All-time low
6.74 °C
in 1940
Years of data
86
1940–2025
Average annual surface temperature in Slovenia, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
Slovenia recorded 10.92 °C for average annual surface temperature in 2025.
The figure is down 5.6% on the previous year and up 0.0% over ten years.
Over the whole period, average annual surface temperature in Slovenia peaked at 11.56 °C in 2024 and was at its lowest, 6.74 °C, in 1940.
That places Slovenia 154th out of 193 countries with data for 2025, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 86 years of available data.
Average annual surface temperature in Slovenia, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | 6.74 °C | — |
| 1941 | 7.28 °C | +8.0% |
| 1942 | 7.97 °C | +9.5% |
| 1943 | 9.03 °C | +13.3% |
| 1944 | 8.16 °C | -9.6% |
| 1945 | 8.63 °C | +5.8% |
| 1946 | 8.9 °C | +3.1% |
| 1947 | 8.82 °C | -1.0% |
| 1948 | 8.5 °C | -3.6% |
| 1949 | 9.51 °C | +11.8% |
| 1950 | 9.78 °C | +2.8% |
| 1951 | 9.87 °C | +1.0% |
| 1952 | 8.87 °C | -10.1% |
| 1953 | 8.98 °C | +1.2% |
| 1954 | 8.29 °C | -7.7% |
| 1955 | 8.53 °C | +2.9% |
| 1956 | 7.85 °C | -8.0% |
| 1957 | 9.23 °C | +17.7% |
| 1958 | 9.26 °C | +0.3% |
| 1959 | 9.38 °C | +1.3% |
| 1960 | 9.49 °C | +1.1% |
| 1961 | 9.8 °C | +3.3% |
| 1962 | 8.07 °C | -17.7% |
| 1963 | 8.22 °C | +1.9% |
| 1964 | 8.39 °C | +2.0% |
| 1965 | 8.05 °C | -4.0% |
| 1966 | 9.46 °C | +17.4% |
| 1967 | 9.3 °C | -1.6% |
| 1968 | 8.88 °C | -4.5% |
| 1969 | 8.56 °C | -3.7% |
| 1970 | 8.78 °C | +2.6% |
| 1971 | 9.01 °C | +2.6% |
| 1972 | 8.78 °C | -2.5% |
| 1973 | 8.6 °C | -2.1% |
| 1974 | 9.41 °C | +9.4% |
| 1975 | 9.59 °C | +2.0% |
| 1976 | 8.59 °C | -10.5% |
| 1977 | 9.35 °C | +8.8% |
| 1978 | 8.2 °C | -12.2% |
| 1979 | 8.84 °C | +7.7% |
| 1980 | 8.06 °C | -8.8% |
| 1981 | 8.92 °C | +10.7% |
| 1982 | 9.38 °C | +5.2% |
| 1983 | 9.51 °C | +1.4% |
| 1984 | 8.54 °C | -10.2% |
| 1985 | 8.4 °C | -1.6% |
| 1986 | 8.64 °C | +2.8% |
| 1987 | 8.7 °C | +0.6% |
| 1988 | 9.53 °C | +9.6% |
| 1989 | 9.68 °C | +1.7% |
| 1990 | 9.8 °C | +1.2% |
| 1991 | 8.76 °C | -10.6% |
| 1992 | 10.08 °C | +15.0% |
| 1993 | 9.54 °C | -5.3% |
| 1994 | 10.84 °C | +13.6% |
| 1995 | 9.68 °C | -10.7% |
| 1996 | 8.52 °C | -12.0% |
| 1997 | 9.6 °C | +12.7% |
| 1998 | 9.81 °C | +2.2% |
| 1999 | 9.66 °C | -1.6% |
| 2000 | 10.67 °C | +10.5% |
| 2001 | 10.07 °C | -5.6% |
| 2002 | 10.61 °C | +5.3% |
| 2003 | 10.15 °C | -4.3% |
| 2004 | 9.45 °C | -6.9% |
| 2005 | 9.1 °C | -3.7% |
| 2006 | 9.97 °C | +9.6% |
| 2007 | 10.74 °C | +7.7% |
| 2008 | 10.47 °C | -2.5% |
| 2009 | 10.46 °C | -0.1% |
| 2010 | 9.48 °C | -9.4% |
| 2011 | 10.52 °C | +10.9% |
| 2012 | 10.54 °C | +0.2% |
| 2013 | 10.29 °C | -2.4% |
| 2014 | 11.32 °C | +10.0% |
| 2015 | 10.91 °C | -3.6% |
| 2016 | 10.57 °C | -3.1% |
| 2017 | 10.59 °C | +0.2% |
| 2018 | 11.16 °C | +5.3% |
| 2019 | 11.28 °C | +1.1% |
| 2020 | 10.83 °C | -4.0% |
| 2021 | 10.23 °C | -5.6% |
| 2022 | 11.36 °C | +11.1% |
| 2023 | 11.37 °C | +0.1% |
| 2024 | 11.56 °C | +1.7% |
| 2025 | 10.92 °C | -5.6% |
Slovenia compared with similar countries
- Slovenia's 10.92 °C is below the median for high income countries, which is 12.86 °C, 85% of the median. (65 countries reporting)
- Slovenia's 10.92 °C is above the median for Europe & Central Asia, which is 10.44 °C, 1.0× the median. (52 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 8.35 °C | 6.74 °C | 9.51 °C | 10 |
| 1950s | 9 °C | 7.85 °C | 9.87 °C | 10 |
| 1960s | 8.82 °C | 8.05 °C | 9.8 °C | 10 |
| 1970s | 8.91 °C | 8.2 °C | 9.59 °C | 10 |
| 1980s | 8.94 °C | 8.06 °C | 9.68 °C | 10 |
| 1990s | 9.63 °C | 8.52 °C | 10.84 °C | 10 |
| 2000s | 10.17 °C | 9.1 °C | 10.74 °C | 10 |
| 2010s | 10.67 °C | 9.48 °C | 11.32 °C | 10 |
| 2020s | 11.05 °C | 10.23 °C | 11.56 °C | 6 |
Countries ranked near Slovenia
- 151 Isle of Man 11.22 °C compare
- 152 New Zealand 11.19 °C compare
- 153 Romania 11.05 °C compare
- 155 Montenegro 10.86 °C compare
- 156 Ireland 10.75 °C compare
- 157 Ukraine 10.49 °C compare
More reference data data for Slovenia
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.1291 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.064 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.3634 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0228 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.3634 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.4328 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.2921 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.3244 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 1.78 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.124 (2050)
Frequently asked questions
- What is average annual surface temperature in Slovenia?
- Average annual surface temperature in Slovenia was 10.92 °C in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest average annual surface temperature recorded in Slovenia?
- The highest recorded value was 11.56 °C in 2024.
- What is the lowest average annual surface temperature recorded in Slovenia?
- The lowest recorded value was 6.74 °C in 1940.
- How does Slovenia rank for average annual surface temperature?
- Slovenia ranks 154th out of 193 countries with data for 2025.
- Is average annual surface temperature rising or falling in Slovenia?
- Over the last ten years it is up 0.0%. The long-run trend across the full record is rising.
- Where does this Slovenia data come from?
- The figures come from Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as part of Average annual surface temperature. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.