9
Extreme
Flood Risk in Johannesburg, South Africa
Risk Level: Extreme — Score 9/10
Risk: 9Historical: 4
Key Risk Factors
- High risk rating for Johannesburg based on ThinkHazard (River flood)
- 7 events on record in proximity
- Significant river or coastal flood exposure
Peak season: March-September
Last significant event: Floods - Gauteng Province, South Africa (2022-02-18)
Highest Risk Cities for Floods
Johannesburg is not in the top 10 for flood risk among tracked cities.
How Johannesburg Compares
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Notable Flood Events Near Johannesburg
Floods - South Africa
December 8, 2019 — WARNING
Impact data not available
Floods - South Africa
February 9, 2020 — WARNING
Impact data not available
Floods - Gauteng Province, South Africa
February 17, 2022 — WARNING
Impact data not available
Floods - South Africa
November 23, 2020 — WARNING
Impact data not available
Floods - Gauteng Province, South Africa
February 5, 2022 — WARNING
Impact data not available
Flood Preparedness Tips
- 1.Know if your property is in a flood zone — check FEMA maps
- 2.Consider flood insurance even if not in a high-risk zone
- 3.Never drive through flooded roadways — Turn Around, Don’t Drown
- 4.Move valuables and important documents to upper floors
- 5.Install sump pumps and check valves in plumbing
Related Pages
Earthquake Risk in Johannesburg
Score: 1/10
Wildfire Risk in Johannesburg
Score: 9/10
Hurricane Risk in Johannesburg
Score: 3/10
Tornado Risk in Johannesburg
Score: 0/10
Winter Storm Risk in Johannesburg
Score: 0/10
Landslide Risk in Johannesburg
Score: 1/10
Extreme Heat Risk in Johannesburg
Score: 9/10
Drought Risk in Johannesburg
Score: 1/10
High Wind Risk in Johannesburg
Score: 0/10
Tsunami Risk in Johannesburg
Score: 0/10
Flood Risk in Cape Town, South Africa
Score: 5/10
Flood Risk in Nairobi, Kenya
Score: 3/10
Flood Risk in Lagos, Nigeria
Score: 9/10
Monitor Flood Risk in Real Time
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