Accra Records Fourth Highest Daily Rainfall in History: What the Data Reveals.
- bernard boateng
- 2 days ago
- 2 min read
On 29 June 2026, Accra experienced one of the most significant rainfall events ever documented. The Ghana Meteorological Agency recorded 169.2 mm of rainfall within 24 hours, making it the fourth highest single-day rainfall total on record for the capital city.
While the widespread flooding drew national attention, historical rainfall data provides important context. The event was extraordinary, but it was not unprecedented.
Historical Perspective
Historical rainfall records show only three days with higher daily rainfall totals than the June 2026 event:
3 July 1995: 243.9 mm
3 June 2015: 212.8 mm
22 June 1973: 175.3 mm
29 June 2026: 169.2 mm
18 June 2018: 90.1 mm
This ranking illustrates how rare rainfall above 160 mm is in Accra.
Why 169.2 mm Matters
Rainfall intensity is one of the primary drivers of urban flooding. When rainfall exceeds the drainage capacity of a city, roads, homes, and businesses become vulnerable to inundation.
The June 2026 event demonstrates that Accra remains highly exposed to extreme rainfall episodes. Rapid urbanisation, reduced natural drainage, blocked waterways, and development within flood-prone areas amplify flood risk.
Climate and Urban Planning
Although a single rainfall event cannot be attributed solely to climate change, research indicates that warmer atmospheric conditions increase the likelihood of more intense rainfall events. Combined with rapid urban expansion, this increases the importance of resilient infrastructure, improved drainage systems, flood forecasting, and public preparedness.
Key Takeaways
Accra recorded 169.2 mm of rainfall on 29 June 2026.
It ranks as the fourth highest daily rainfall total on record.
Only three historical rainfall events have exceeded this amount.
The event highlights the need for stronger urban flood resilience and climate adaptation strategies.
Conclusion
Historical data helps place extreme weather events into perspective. While heavy rainfall has affected Accra for decades, the June 2026 event serves as another reminder that extreme weather remains a recurring challenge. Understanding these historical patterns is essential for policymakers, urban planners, emergency responders, and residents as Ghana continues to build resilience against future flood risks.
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