Croatia Climate – June 2026 Update
Top 5 Cities: Zagreb, Split, Rijeka, Osijek, and Zadar
This month in numbers
Croatia experienced its 2nd warmest June on record in 2026, with an average temperature of 23.16°C, a significant 4.4°C above the 1961–1990 baseline. This contributed to a globally significant trend, as global land temperatures for June 2026 ranked as the 3rd warmest on record, at 16.46°C, an anomaly of +1°C. The period of April to June 2026 was the 6th warmest on record for Croatia, with an average temperature of 17.3°C, 2.3°C above the baseline.
What changed
Croatia's exceptionally warm June follows a trend of above-average temperatures throughout the spring, with March and April also recording significant positive anomalies. While May saw temperatures return to near average, June's extreme warmth pushed the seasonal average higher. This regional warming aligns with a broader European pattern, as much of western continental Europe, including Italy and parts of central and eastern Europe, experienced drier-than-average conditions and persistent high-pressure systems in June. Croatia itself ranked 11th globally for its 1-month temperature anomaly in June, highlighting the intensity of the heat experienced across the country.
What’s driving change?
The pronounced warmth in Croatia during June, and throughout the spring, is largely influenced by a strong El Niño event. The current weak El Niño, with a weekly Niño 3.4 SST anomaly of +1.8°C, is forecast to persist and strengthen through the remainder of the year. El Niño typically brings warmer and drier conditions to the Mediterranean region during summer, amplifying the risk of heatwaves and wildfires. Indeed, Croatia experienced a significant heatwave in late June, with red warnings issued for coastal regions like Rijeka, Split, and Dubrovnik as temperatures surpassed 38°C in some areas. This intense heat, coupled with dry conditions, led to wildfires, including one on the island of Vis. Additionally, the broader warming trend, where , contributes to the amplified heat experienced across continental Europe.
Looking ahead
Seasonal forecasts indicate that Croatia is likely to experience another warmer-than-average summer, with the possibility of further prolonged heatwaves in the coming weeks.
Generated by Gemini from climate data and web sources
At a Glance
Temperature – Average
Year-on-Year Trends
The 4byo Climate Helix – Croatia
Data: Our World in Data / NOAA (rainfall: World Bank CCKP / CRU TS 4.08). Baseline: first 30 yrs on record. Recent: last 10 yrs on record.
Croatia – Monthly Temperature – All Years
Data: Our World in Data / NOAA (rainfall: World Bank CCKP / CRU TS 4.08). Baseline: first 30 yrs on record. Recent: last 10 yrs on record.
Records – Croatia
Our World in Data / NOAA - Anomalies vs 1901-2000 mean
Shifting Seasons
Warm / cold seasonsKöppen Dfb · ContinentalHow spring and autumn have shifted in Croatia. Spring is defined as the date monthly temperatures first rise above the long-term annual mean (11.0°C, from 1940–1969); autumn is the date they fall back below it. Temperature swings 21.9°C peak-to-peak across the year - a classic four-seasons rhythm.
Baseline vs recent monthly temperature climatology. Biggest warming: Feb (+4.0°C).
Data: Our World in Data / NOAA (rainfall: World Bank CCKP / CRU TS 4.08). Baseline: first 30 yrs on record. Recent: last 10 yrs on record.
Rainfall & Precipitation
Rainfall & Rain Days – Totals
Headline: anomaly vs the 1961–1990 mean. Small figure: the actual value. Rank: position in the full record (1st = highest ever). Record: highest (or lowest) value on record with its year.
Emissions & Energy
Explore
Explore Climate Data
Data Sources
Data Sources for Croatia
Every figure on this page is sourced from official, openly published climate datasets. Anomalies are calculated against the 1961–1990 baseline (temperature) and 1991–2020 (rainfall, sunshine, frost) - see the Methodology & Sources page for the complete dataset list and update calendar.
FAQs
FAQs
How is the climate in Croatia changing?
Croatia is warming in line with the rest of the world. The page above shows the latest monthly temperature anomaly versus the 1961-1990 baseline, the long-term annual trend, and the region's rank in the historical record. The headline panel also shows the long-term trend rate per decade and the warmest and coolest years on file.
Where does the climate data for Croatia come from?
Climate data for Croatia comes from Our World in Data, sourcing Copernicus ERA5 and HadCRUT5 (national temperature anomaly) and the Global Carbon Project via Our World in Data (CO₂ emissions), refreshed every month, when the upstream temperature and rainfall data are refreshed.
What is the climate baseline used on this page?
Anomalies on this page are calculated against the 1961-1990 climatological baseline, which is the standard reference period used by the Met Office, NOAA, IPCC and most national climate services. Some panels also show the source-native 1901-2000 (NOAA) or 1991-2020 (WMO) baselines for verification. See Methodology & Sources for the full reference.
Which areas does the Croatia climate data cover?
The Croatia climate profile covers Zagreb, Split, Rijeka, Osijek and surrounding areas. Temperature, rainfall and emissions data for Croatia
How often is the Croatia climate update refreshed?
The Croatia climate update is refreshed monthly, typically a few days after the previous month closes and the upstream provider (Met Office HadUK-Grid, NOAA Climate at a Glance, Copernicus ERA5 or the Global Carbon Project) publishes its update. See the Climate Rankings for cross-region comparisons.