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[PP09] Precipitation
State

Key message
Bad

Trends in annual precipitation are not as obvious as temperature trends. Changes between years and differences between regions are significant. According to climate change projections, annual precipitation will increase slightly while changes in seasonal precipitation will be more noticeable. Summer conditions are the most worrying, because less precipitation and higher temperature might result in higher frequency of droughts. In winter, more precipitation may lead to an increase in flooding events.

Charts

Figure PP09-1: Annual precipitation (in mm) at selected weather stations in Slovenia in the period 1950-2024
Sources:

Slovenian Environment Agency, 2025 (25/07/2025)

Show data
Kredarica[mm] Ratece[mm] Murska Sobota[mm] Novo mesto[mm] Ljubljana[mm] Portorož[mm]
1950 2134.50 1665.60 906 1188.60 1239.20 935.10
1951 2478.40 2116.40 897.80 1257.80 1454.70 1072.80
1952 2465.50 1809.40 718.40 1277.10 1476.90 1256.90
1953 1763.40 1413.50 655.70 1054.20 1041.40 877.80
1954 2338.60 1663.70 862.30 1240.10 1273.90 798.30
1955 1766.60 1433.70 747.70 1297.30 1373.70 993.40
1956 1933.10 1419.40 718.50 1068.10 1292.40 838.90
1957 1962.60 1674.80 709.30 1089.30 1217.20 779
1958 2261.30 1832.80 839.80 1040.60 1336.90 913.20
1959 2041.70 1688.80 778.90 1298 1316.10 1035.20
1960 2956.40 2194.90 823.80 1456.70 1771.60 1256.90
1961 2345.30 1531.60 785.80 1024.80 1371.50 1075.10
1962 2114.10 1767.60 931.10 1260.90 1605.50 921.40
1963 2800.30 1870.70 831.70 1229.10 1442.90 1056.80
1964 2014.90 1553.30 876.30 1370.60 1438 1012.50
1965 2862.10 2373.50 1066.70 1369.70 1847.50 1303.50
1966 2247.30 1744.50 969.80 1141.20 1301 1172.90
1967 2139.70 1569.90 784.30 1040.50 1118.60 821.10
1968 2301.30 1717.30 612.40 900.10 1342.90 952.50
1969 2179.70 1872.50 786.90 1203.90 1441.60 1196.40
1970 1973 1743.60 760.90 1183.70 1395.10 1059.10
1971 1435.90 1318.60 563.20 872.20 1108.20 896.20
1972 1972.40 1753 1033.10 1416.20 1606.90 916.10
1973 2412.70 1730.30 808.90 854.90 1270.20 778.80
1974 2030.30 1408 911.80 1275.40 1412 1262.30
1975 2317.90 1700.90 804.90 1046.60 1435.10 1086.20
1976 1974.50 1534.10 750.90 1059.90 1424.60 1163.90
1977 1971 1549.10 718.20 1131.70 1265.40 1169.90
1978 2428.60 1798.90 676.10 967 1469.10 1052.50
1979 2566.20 1961 912.40 1276.30 1474.70 1048.20
1980 2011.40 1697 862 1273.50 1535 1045.90
1981 1523.20 1359 767.50 1224.20 1402.30 1260.50
1982 2227.80 1588.30 864.20 1205.20 1418.40 1153.90
1983 1573.80 1243.30 634.30 963.60 1149.20 826.80
1984 2353.20 1661.50 740.60 1322.40 1423.70 1238.10
1985 1795.40 1697.60 883.40 1283.40 1610.60 842.70
1986 1991.70 1323.10 787.60 1121.20 1265 932.90
1987 2682.50 1837 981.60 1143.10 1527.80 928.90
1988 2161.50 1323 722.10 1030.90 1178.30 797.70
1989 1820.70 1464 775.70 1135.10 1211.10 951.50
1990 2438.60 1724.40 900.40 1101.50 1331.30 1050.20
1991 2057.90 1599.30 803.60 1055.30 1181.90 979.70
1992 2066.40 1646.30 688.90 1169.20 1432.50 887.20
1993 1801.50 1605.50 687.40 1099 1176.50 783.20
1994 1769.40 1472.70 989.20 1119.50 1406.70 801.30
1995 1679.70 1253.50 924 1299.20 1422.80 1128.60
1996 1951.40 1772.90 1025.70 1151.70 1446.40 1118.90
1997 1800.30 1328.10 691.70 990.70 1229.90 841.70
1998 2156.90 1555.50 839.10 1041 1359.20 891.10
1999 2376.10 1579.20 772.40 1299.40 1500.70 794.20
2000 2572.70 1891.10 650.60 826.70 1363.10 1103.20
2001 2229.60 1439.50 643 1053.40 1327.70 978.50
2002 2093.10 1457.90 754.10 1379.20 1287.80 1204.10
2003 1623.20 1652.50 514.70 886.40 1091 790.30
2004 2240.80 1637.50 803.60 1196.50 1696.10 898.10
2005 1751.80 1239.20 868.80 1382.20 1403.30 910.30
2006 1887 1175.40 852 1084.10 1140.80 886.50
2007 1761.40 1310.50 816.80 1113.50 1195.90 753.30
2008 2179.70 1910.50 708.10 1134.50 1490.20 993.80
2009 2259.10 1781.50 989 1066.10 1405.50 931.80
2010 2342.70 1703.40 876.20 1278.70 1797.90 1394.40
2011 1497.10 1292.60 692.80 834.40 998.10 614
2012 2203.90 1700.40 781.60 1146.60 1330.60 689.70
2013 2176.20 1598.30 912 1259.30 1534.10 1055.10
2014 2449.10 2084.10 1093 1483.90 1840.50 1462.40
2015 1755.10 1232.80 690.40 1084.20 1106.40 595.10
2016 2289.90 1665.70 787.30 1146.20 1322.30 1028.20
2017 2229.50 1965.50 930.30 1119.50 1531.10 1147.50
2018 1740 1503.80 825 1164.80 1376.60 808.70
2019 2440.10 1869 896.30 1214.20 1378.90 1145.10
2020 2375.50 1838.70 849.40 1048.70 1262.20 1117.70
2021 1939.20 1500.80 824.90 1022.20 1442.30 878.40
2022 1719 1157.70 704 1141.90 1264.30 699.30
2023 2811.10 1981.20 1021.10 1300.80 1813.80 1188.30
2024 2509.40 1707.90 829.30 1228.80 1552.50 1084.30
Figure PP09-2: Timeline of change in annual precipitation in Slovenia over the 21st century
Sources:

Slovenian Environment Agency, 2018 (2021)

Figure PP09-3: Projected change in annual, winter and summer precipitation in Slovenia the associated reliability of change for 30-year periods relative to the 1981-2010 average
Sources:

Slovenian Environment Agency, 2018 (2021)

Figure PP09-4: Projected change in annual and summer precipitation in Europe in the period 2071-2100 (in %)
Sources:

European Evnironment Agency, 2024 (2025)

Note:

Projected changes in annual (left) and summer (right) precipitation (%) in the period 2071-2100 compared to the baseline period 1971-2000 for the forcing scenario RCP 8.5. Model simulations are based on the multi-model ensemble average of RCM simulations from the EURO-CORDEX initiative.

Methodology

Other sources and literature

  1. Agencija RS za okolje, Naše okolje, mesečni bilten ARSO.
  2. Evropska agencija za okolje, 2019. Projected change in annual and summer precipitation.
  3. Svetovna meteorološka organizacija, 2013. The global climate 2001-2010, Decade of climate extremes
  4. Zakon o državni meteorološki, hidrološki, oceanografski in seizmološki službi, (Uradni list RS, št. 60/17)
  5. Agencija RS za okolje, 2018. Ocena podnebnih sprememb v Sloveniji do konca 21. stoletja. Ljubljana, november 2018.

Related indicators

Last modified
26.09.2025
Author(s)

Živa Vlahović in Katja Kozjek Mihelec, Slovenian Environment Agency