Czech Republic records hottest day on record with 41.9°C (107.4°F)

The Czech Hydrometeorological Institute (CHMI) has confirmed a new all-time maximum air temperature for the Czech Republic after the Doksany meteorological station measured 41.9°C (107.4°F) on June 28, 2026.

The reading surpasses the previous national record of 40.4°C (104.7°F), recorded at Dobřichovice on August 20, 2012, and is also 0.2°C (0.4°F) higher than Germany’s historical national temperature record. The new benchmark was set during a remarkable weekend in which nine of the ten highest temperatures ever measured in the Czech Republic were recorded.

Verification of the Doksany observation included comparisons with surrounding meteorological stations, confirming the reliability of the 41.9°C (107.4°F) measurement.

Situated at an elevation of 158 m (518 feet) in the Ústí nad Labem Region, Doksany is among CHMI’s warmest observing stations because it lies within an open, relatively dry agricultural landscape that can promote stronger daytime heating under favorable weather conditions.

The previous national record stood for only one day. On June 27, Doksany reached 40.9°C (105.6°F), exceeding the long-standing 2012 record before temperatures climbed even higher on June 28, when the station recorded 41.9°C (107.4°F). Tuhaň also exceeded 41°C (105.8°F), reaching 41.0°C (105.8°F) and becoming only the second Czech station to cross that threshold.

The intense heat affected virtually the entire Czech Republic. Maximum temperatures of at least 35°C (95°F) were measured at 160 stations, representing 63% of CHMI’s standard observation network, on June 27. The following day, more than 200 stations, or approximately 80% of the network, reached or exceeded that threshold. The previous nationwide maximum occurred during August 7 and 8, 2015, when about 140 stations, representing 62% of the network, recorded temperatures of at least 35°C.

The ranking of the ten highest temperatures ever recorded in the Czech Republic includes observations from both CHMI’s standard network and several stations outside that network, including Husinec–Řež and Dobřany, which are identified separately by the institute.

Alongside the new national record at Doksany and the 41.0°C (105.8°F) reading at Tuhaň, stations including Ústí nad Labem–Vaňov, Plzeň–Mikulka and Plzeň–Bolevec all exceeded 40°C (104°F) during the weekend.

Before this heatwave, the highest June temperature recorded in the Czech Republic was 38.9°C (102.0°F), measured at Doksany on June 26, 2019, and again on June 19, 2022. Including stations outside CHMI’s standard observation network, the previous June maximum was 39°C (102.2°F), recorded at Husinec–Řež on June 19, 2022. The new record exceeded the previous June benchmark by approximately 3°C (5.4°F), an unprecedented margin for the month.

References:

¹ ČHMÚ potvrzuje nové absolutní maximum teploty vzduchu v Česku – CHMI – June 29, 2026

Reet Kaur

I’m a science journalist and researcher at The Watchers, contributing to the Epicenter edition, where I cover peer-reviewed scientific research and emerging discoveries across Earth and space sciences. With a background in astronomy and a passion for environmental science, I’ve worked in shark and coral conservation in Fiji, conducting reef and shark-behavior research, contributing to mangrove restoration, and earning PADI Open Water and Coral Reef Certifications. I bring a blend of scientific rigor and storytelling to illuminate the discoveries shaping our planet and beyond.

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