By Bertie Nel, Head of Financial Planning and Advice at Momentum
Most climate change conversations focus on shifting rain patterns, agricultural yields, or environmental damage. Yet one of its most immediate consequences is often overlooked: the direct and measurable impact that extreme weather events, such as a Super El Niño, can have on household finances.
A Super El Niñois an exceptionally strong El Niño event that disrupts global weather patterns. In Southern Africa, it is typically associated with below-average rainfall, prolonged heat and drought conditions, which can reduce crop yields and place pressure on food supplies and prices, leaving families paying more for everyday necessities.
Building financial resilience today means recognising that climate risks are also financial risks, and ensuring your financial plan is robust enough to withstand periods of economic uncertainty.
The cost lands in your shopping trolley
When local crops are impacted, food prices often rise as producers turn to costly imports and face higher feed and irrigation expenses. This means households may spend more on everyday groceries.
While these increases are beyond your control, there are ways to ease the pressure on your budget. Growing your own vegetables, herbs or leafy greens, even in a few pots, can help reduce grocery costs. You can also save by buying non-perishable staples in bulk and choosing seasonal, locally produced food over imported options.
Keeping the lights on and the water running
South Africa has enjoyed a year without load shedding, but households are still feeling the strain of rising utility costs. While electricity supply has improved, electricity and water tariffs continue to increase, putting pressure on monthly budgets.
Hot, dry conditions can drive up demand for power and place further strain on water resources, often leading to restrictions and higher costs. As a result, essential living expenses take up a larger share of household income.
Using resources more efficiently can help reduce the impact over time. Options such as rainwater harvesting, energy-efficient appliances and solar water heating can lower monthly utility costs and provide long-term savings.
Protecting your property against unpredictable weather
Beyond daily living expenses, shifting weather patterns pose a direct threat to personal property. Intense heatwaves can damage roofing and waterproofing, while sudden localised flash floods, hailstorms, and high winds can increase the risk of structural damage.
Neglecting proactive maintenance turns minor weather wear into major, unbudgeted repair bills. Clearing gutters, checking roof seals, and securing drainage systems before severe weather hits are simple, low-cost steps that can prevent much higher costs down the line.
Comprehensive property insurance is non-negotiable in this environment. Review your short-term insurance policies annually to confirm that building and contents cover has kept pace with inflation and reflects current replacement values. Remember, a policy that was adequate three years ago may no longer be.
Building financial buffers
When everyday expenses rise, many households fall into the trap of cancelling risk cover or dipping into long-term savings to plug short-term shortfalls. But removing financial protection during volatile times only makes a household more vulnerable.
A resilient financial plan needs built-in safeguards to absorb shocks. An accessible emergency fund covering three to six months of essential living expenses can mean the difference between a sudden home repair, medical co-payment or utility spike being an inconvenience rather than the start of high-interest debt.
Short-term insurance protects physical assets, while life and income protection cover safeguard a household’s primary earning capacity against the unexpected.
Why financial plans need to be reviewed regularly
A financial plan should never be a static document filed away and forgotten. As macroeconomic conditions, weather-related risks and personal circumstances shift, financial strategies need to shift with them.
A regular, structured review with a qualified financial adviser allows you to stress-test your budget against ongoing inflation, identify hidden vulnerabilities, optimise tax efficiency, and rationalise unnecessary expenditure – all without compromising long-term wealth creation and retirement goals.
You can’t control global climate phenomena or macroeconomic inflation. What you can control is how you structure your personal finances by focusing on moving from reactive budgeting to intentional preparation.
Understanding the economic trends at play, building liquid emergency buffers, maintaining adequate insurance cover, and reviewing your financial plan regularly are the practical steps that will determine whether your household is prepared to withstand whatever economic or environmental conditions lie ahead.



