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[PP04] Temperature
State

Key message
Bad

Temperature in Slovenia is increasing faster than global average. Increase in the annual average temperature is most evident in the last three decades. Warming of the atmosphere will continue according to the climate change projections. The result of warming is an increase in sea level (due to melting of glaciers and thermal expansion), increase in level of the greenhouse gases in the atmosphere (contributes to warming), and many extreme weather and climate events (like floods, droughts, hail and heavy wind), which will influence the quality of our lives.

Charts

Figure PP04-1: Annual average temperature in Slovenia in the period 1961-2022
Sources:

Slovenian Environment Agency, 2023

Show data
Kredarica[°C] Rateče[°C] Murska Sobota[°C] Novo mesto[°C] Ljubljana[°C] Portorož[°C]
1961 -0.70 6.56 9.91 10.19 10.83 13.28
1962 -2.86 4.82 8.33 8.64 9.29 12.09
1963 -2.24 5.37 8.58 9.14 9.64 12.21
1964 -1.34 5.65 8.89 9.15 9.89 12.63
1965 -2.72 4.99 8.79 8.92 9.39 11.94
1966 -1.98 6.40 10.02 10.15 10.68 13.04
1967 -1.42 6.22 9.87 9.93 10.59 12.84
1968 -2.20 5.72 9.22 9.68 10.12 12.60
1969 -2.26 5.50 8.82 9.07 9.83 12.41
1970 -2.33 5.37 9.11 9.34 10.00 12.41
1971 -1.84 5.82 9.14 9.29 9.93 12.58
1972 -1.95 5.51 9.04 9.44 9.94 12.61
1973 -2.00 5.61 8.94 9.30 9.93 12.55
1974 -2.22 6.19 9.98 10.05 10.67 12.55
1975 -1.40 6.22 9.85 10.12 10.67 13.07
1976 -2.47 5.81 8.95 9.19 9.83 12.44
1977 -1.45 6.10 9.76 10.11 10.58 12.60
1978 -2.20 4.70 8.40 8.63 9.18 11.67
1979 -2.13 5.57 9.39 9.79 10.23 12.52
1980 -2.59 4.96 8.29 8.72 9.28 11.74
1981 -2.29 5.61 9.64 9.76 10.07 12.41
1982 -1.18 6.22 9.69 10.01 10.69 13.00
1983 -0.80 6.32 9.79 10.16 10.51 12.74
1984 -2.55 5.36 9.04 9.30 9.78 12.21
1985 -1.80 5.61 8.50 8.91 9.68 12.22
1986 -1.47 5.69 8.94 9.17 9.89 12.56
1987 -1.62 5.68 8.89 9.44 9.94 12.72
1988 -1.30 6.24 9.71 10.13 10.83 13.26
1989 -0.46 6.45 10.01 10.26 10.76 12.82
1990 -0.76 6.42 10.02 10.43 10.78 13.34
1991 -1.75 5.47 9.18 9.60 10.03 12.58
1992 -0.37 6.89 10.73 10.77 11.16 13.44
1993 -1.20 6.41 9.86 10.32 10.67 13.09
1994 -0.24 7.59 11.13 11.47 11.89 14.27
1995 -1.56 6.38 9.99 10.22 10.80 13.03
1996 -2.09 5.80 8.85 9.14 9.79 12.65
1997 -0.74 6.64 9.48 9.94 10.77 13.37
1998 -1.08 6.71 10.01 10.39 11.03 13.29
1999 -1.07 6.63 10.28 10.48 10.98 13.60
2000 -0.18 7.51 11.46 11.86 12.09 13.95
2001 -1.17 6.99 10.40 10.99 11.46 13.92
2002 -0.34 7.52 11.11 11.34 11.81 13.95
2003 -0.59 6.85 10.54 11.01 11.55 13.78
2004 -1.29 6.11 9.78 10.12 10.65 13.22
2005 -1.85 5.91 9.47 9.81 10.38 12.65
2006 -0.45 6.78 10.15 10.84 11.44 13.78
2007 -0.17 7.44 11.05 11.53 12.21 14.32
2008 -0.59 7.15 11.13 11.21 11.68 14.03
2009 -0.67 7.02 10.70 11.26 11.73 14.13
2010 -1.75 6.46 10.12 10.12 10.66 13.17
2011 0.27 7.49 10.61 11.19 11.72 13.99
2012 -0.22 7.16 11.12 11.41 12.05 14.07
2013 -0.44 7.17 10.91 10.97 11.67 14.02
2014 0.15 7.99 11.91 11.98 12.56 14.92
2015 0.64 7.91 11.45 11.66 12.03 14.38
2016 -0.38 7.50 11.03 11.19 11.68 14.22
2017 -0.21 7.24 10.93 11.51 11.92 14.00
2018 0.14 7.95 11.72 11.85 12.58 14.83
2019 0.24 8.00 11.85 12.03 12.60 14.71
2020 0.52 7.48 11.15 11.73 12.14 14.37
2021 -0.70 6.61 10.72 11.21 11.60 13.85
2022 0.59 7.91 11.54 12.20 12.96 14.86
Figure PP04-2: Linear trend of annual air temperatures (in °C/decade), Slovenia, 1961-2011
Sources:

Slovenian Environment Agency, 2013

Show data
Figure PP04-3: 10-year average global temperature
Sources:

World Meteorological Organization, 2013 and European Environment Agency, 2023

Show data
global temprerature (°C)
1881-1890 13.68
1891-1900 13.67
1901-1910 13.59
1911-1920 13.64
1921-1930 13.76
1931-1940 13.89
1941-1950 13.95
1951-1960 13.92
1961-1970 13.93
1971-1980 13.95
1981-1990 14.12
1991-2000 14.26
2001-2010 14.47
2011-2020 14.67
Figure PP04-4: Anomaly of global annual temperature relative to the pre-industrial period 1850-1900 based on different datasets
Sources:

World Meteorological Organization, 2023

Figure PP04-5: Timeline of change in average annual temperature in Slovenia over the 21st century
Sources:

Slovenian Environment Agency, 2018

Note:

The timeline of change in average annual air temperature in Slovenia over the 21st century for three scenarios relative to the reference period 1981-2010. Bold coloured curves show smoothed model median and lighter colours show model spread. Under RCP4.5 the average annual temperature will rise by approximately 2 °C and under RCP8.5 by approximately 4.1 °C.

Figure PP04-6: Projected change in average annual temperatures in Slovenia and the associated reliability of change
Sources:

Slovenian Environment Agency, 2018

Figure PP04-7: Projected change in average annual, summer and winter temperatures in Europe
Sources:

EEA,Projected changes in annual, summer and winter temperature, 2016

 

 

Methodology

Date of data source summarization
Other sources and literature

  1. Agencija RS za okolje, 2013. Glavne značilnosti gibanja temperature zraka v obdobju 1961─2011, Ljubljana, september 2013.
  2. Agencija RS za okolje, Naše okolje, mesečni bilten ARSO.
  3. Agencija RS za okolje, 2018. Ocena podnebnih sprememb v Sloveniji do konca 21. stoletja. Ljubljana, november 2018.
  4. Evropska agencija za okolje, 2016. Global and European temperature.
  5. Svetovna meteorološka organizacija, 2013. The global climate 2001-2010, Decade of climate extremes.
  6. Svetovna meteorološka organizacija, 2021. WMO Statement on the State of the Global Climate in 2020.
  7. Evropska agencija za okolje, 2023. Global and European temperatures.
  8. Svetovna meteorološka organizacija, 2023. Past eight years confirmed to be the eight warmest on record.
  9. Svetovna meteorološka organizacija, 2023. State of the Global Climate 2022.

Related indicators

Last modified
29.06.2023
Author(s)

Tanja Cegnar, and Živa Vlahović, Slovenian Environment Agency