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Has the climate in Hrastnik changed?

Hrastnik has warmed about 1.4°F between 2009 and 2022.

About 1.0°F per decade, measured from Hrastnik's official daily weather records, 2009–2022. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Hrastnik's warming is broadly in line with other cities in Slovenia — neither unusually fast nor unusually slow.

What has actually changed

Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.

Freezing nights
2 fewer nights
1970s
108 / yr
Recent
106 / yr
Milder winters — fewer frosts
Average temperature
+1.2°F
1970s
51.7°F
Recent
52.8°F
A steady upward drift
Hot days above 90°F
1 more day
1970s
13 / yr
Recent
14 / yr
More days of serious heat
Rainy days
about the same
1970s
123 / yr
Recent
125 / yr
Rainfall pattern about the same

Hrastnik's temperature, year by year

Average temperature for each year from 2009 to 2022.

48°50°52°54°2009: 52.0°F2010: 50.3°F2011: 51.9°F2012: 52.6°F2013: 51.8°F2014: 53.8°F2015: 52.7°F2016: 52.1°F2017: 49.5°F2018: 53.5°F2019: 53.5°F2020: 52.7°F2021: 51.5°F2022: 53.8°Flong-term trend2009201020202022
a warmer-than-average year a cooler-than-average year

Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.

Methodology & sources

Temperature — 1991–2020 normals computed from 12 years of daily observations at Celje-medlog, a weather station, about 11 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →