Marek Kučera 
Canberra experienced a bone-chilling cold snap around June 21-22th 2025, with temperatures dropping to an intense -7.6°C/-7,5°C, coming just 0.9°C shy of the city’s all-time lowest recorded temperature for the month of June. This near-record low highlights a significant cold event during a month typically known for its chilly but less extreme conditions.
❄️ Coldest June Night in Years
The -7.6°C reading marks one of the coldest June temperatures observed in Canberra’s recorded history. While the all-time June record low stands at -8.5°C, set decades ago, this recent plunge brought residents dangerously close to breaking that longstanding benchmark.
🌡️ Unusual Weather Patterns
This extreme cold was driven by a combination of clear skies, calm winds, and a strong high-pressure system dominating the region, allowing for intense overnight radiative cooling. Such conditions enabled temperatures to plummet overnight, leading to frost and icy conditions across the Canberra region and surrounding areas.
🚨 Impacts and Precautions
- Frost damage risks for agriculture, especially sensitive crops and gardens.
- Increased demand for heating and energy use by residents.
- Possible hazards on roads due to ice formation during early morning hours.
Authorities and local communities were advised to take precautions, particularly to protect vulnerable populations and livestock from the severe cold.
🌍 Context in Climate Trends
While extreme cold snaps may seem to contradict warming trends, such events are still possible as part of natural climate variability. However, shifts in atmospheric circulation patterns influenced by climate change can sometimes lead to more pronounced cold spells in certain regions.
Source: https://ogimet.com/cgi-bin/gsynres?ind=94926&ano=2025&mes=6&day=23&hora=20&min=0&ndays=30
Source: https://x.com/ldgower2/status/1936301506636153192/photo/1
