Average annual surface temperature in Slovenia
Slovenia: Average annual surface temperature was 10.92 °C in 2025. ▲ Rising
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.
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
- 157 Ukraine 10.49 °C compare
More reference data data for Slovenia
- Spring temperature anomalies 1.54 °C (2026)
- Summer temperature anomalies 2.06 °C (2026)
- Temperature anomalies by month -0.5768 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 1.3 °C (2025)
- Winter temperature anomalies 1.31 °C (2025)
- Consumer price index 138.08 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
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
The temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.