
June 26, 2025 — An unbelievable heatwave continues to scorch vast areas of Siberia, Mongolia, northeastern China, and neighboring regions, smashing multiple historic temperature records and pushing the limits of heat intensity in areas typically known for their cold climates.
Today, China’s heat wave is concentrated in Xinjiang and Northeast China. Yutian, Xinjiang reached 39.9C, breaking June record, AWS reached 47.6°C! Mohe, the northernmost part of China, welcomed the first 35°C this year, Changchun exceeded 35°C again after 5 years!
🌡️ Record-Breaking Temperatures Across Siberia and Mongolia
- Siberia has experienced a non-stop heat streak lasting over four months, with extreme highs and unusually warm nights:
- Daytime highs soared to 37.9°C in Jikimda (all-time record), 37.3°C in Ust’-Njukzha (all-time), and 37.0°C in Tynda (all-time).
- Other notable highs include 36.6°C at Tyanya, 35.8°C at Suon Tit, and 34.6°C at Nagornyj (all-time).
- Nighttime temperatures remain elevated with minimums like 21.2°C in Blagovescetnsk, 20.5°C in Aginskoe, and 18.7°C in Sosnovo.
- Mongolia registered a scorching 39.5°C, while nearby Siberian towns saw temperatures near 39°C.
🏜️ East Asia and China Heat Records
- China set an astonishing June record of 39.9°C in Yutian and an extreme 42°C near Beijing outskirts, marking the hottest temperatures in decades.
- Other extreme heat spots:
- 37.2°C in Kacug (all-time high).
- 34.6°C at Ust Barguzin.
- Record warm minimum temperatures also appeared, such as:
- 21.9°C at Veselaja Gorka.
- 21.5°C at Balagansk.
- 18.5°C at Aleksandrovsk-Sahalinskij.
🌙 Nighttime Heat – Siberia’s Hottest Nights Ever Recorded
- Nights remain sweltering, with new highs in minimum temperatures including:
- 21.1°C in Solov’Evsk.
- 19.1°C in Aginskoe.
- 18.9°C in Uchur.
- 18.0°C in Aksa.
- Other Siberian locations with record hot nights:
- 19.0°C at Tanguj & Kansk.
- 17.8°C at Hamar-Daban (1500 m altitude).
- 17.3°C at Mama.
🌡️ Additional Noteworthy Records
- June 22 saw extraordinary heat in Siberia’s highlands:
- 37.1°C at Kacug.
- 36°C at Tyrka.
- 34.8°C at Sosnov.
- Mongolia’s Bayan Uul recorded 19.6°C as a high minimum temperature, a sign of persistent nighttime heat.
🔥 Summary
This ongoing record-breaking heatwave across Siberia, Mongolia, and East Asia is one of the most intense ever documented for the region, shattering decades- and even all-time temperature records both by day and by night. The sustained warmth is unprecedented, highlighting the growing impacts of global climate shifts on some of Earth’s coldest and most remote areas.

Source: https://x.com/yangyubin1998/status/1938214422532788263/photo/3