SA fuel prices heading up again in December is becoming a key concern for South African motorists, as early data shows that both petrol and diesel costs are set to rise in the coming week. With month-end figures from the Central Energy Fund (CEF) confirming persistent under-recoveries throughout November, drivers should prepare for higher festive-season travel expenses. This breakdown explains what is driving the increases, what motorists can expect for December, and how global market movements continue to influence South Africa’s fuel pricing.
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SA fuel prices heading up again in December: What is driving the increase?
Month-end indicators from the CEF show that international oil prices have increased steadily through November, outweighing the slight improvement in the rand. The CEF’s calculations reveal that petrol is experiencing an under-recovery of between 20c and 26c per litre, while diesel is facing a deeper under-recovery of between 76c and 93c per litre.
These trends align with updated projections from industry analysts, who estimate that South Africans could see petrol rising by 19c to 42c per litre, and diesel by 72c to 89c per litre when the Department of Mineral and Petroleum Resources implements December’s adjustments.
Although November delivered welcome price cuts of 51c for petrol and 21c for diesel, the current international pricing environment has reversed those gains heading into December.
SA fuel prices heading up again in December: Projected adjustments
Based on the latest CEF data, motorists can expect the following estimated increases for December:
Petrol price projections for December
- Petrol 93: +19c to +20c per litre
- Petrol 95: +24c to +26c per litre
Diesel price projections for December
- Diesel 0.05% (wholesale): +60c to +72c per litre
- Diesel 0.005% (wholesale): +77c to +89c per litre
Other fuel product projections
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Illuminating paraffin: +68c per litre
Even with these increases, the inland price for 95 Unleaded, currently around R20.54, remains about 26c lower than at the start of January 2025. Diesel prices, however, continue to trend upward, with 50ppm expected to be roughly 55c more expensive than it was at the beginning of the year.
SA fuel prices heading up again in December: Global factors influencing the increase
November saw notable volatility in global oil markets. Brent crude averaged around $64.14 per barrel, driven by shifting supply expectations and rising winter demand in the northern hemisphere. Heating needs typically push diesel prices upward more sharply than petrol, contributing to the larger diesel under-recovery in South Africa.
The rand did provide some marginal relief, briefly strengthening to below R17/$ following the Medium-Term Budget Policy Statement and an S&P Global ratings upgrade. This improvement resulted in a positive over-recovery of roughly 4c per litre. However, this gain was offset by international product price increases, which contributed to a 24c to 81c per litre under-recovery for fuel.
Oil markets remain sensitive to geopolitical developments. Analysts warn that changes in OPEC+ production levels or shifts in US–Russia relations could further impact global supply and price stability in the coming weeks.
SA fuel prices heading up again in December: What motorists should expect next
The Department of Mineral and Petroleum Resources is expected to confirm the official fuel price adjustments early next week, with the revised prices taking effect on Wednesday, 3 December 2025.
Motorists planning holiday travel should budget for higher fuel expenses, particularly those using diesel-powered vehicles, which are facing steeper increases than petrol.
SA fuel prices heading up again in December: FAQs
Why are SA fuel prices heading up again in December?
SA fuel prices are heading up again in December due to rising international oil prices and increased global diesel demand, which have resulted in significant under-recoveries despite a slight strengthening in the rand.
How does the CEF determine SA fuel prices heading up again in December?
The CEF tracks daily movements in global oil prices and the rand/dollar exchange rate. These figures determine whether South Africa experiences an over-recovery (leading to potential price decreases) or under-recovery (leading to increases). For December, consistent under-recoveries have pushed prices upward.
Which fuel type is most affected as SA fuel prices head up again in December?
Diesel is seeing the highest projected increases, with expected adjustments ranging between 60c and 89c per litre. This is largely due to global winter heating demand and rising international diesel prices.
When will SA fuel prices heading up again in December be officially confirmed?
The official announcement will come from the Department of Mineral and Petroleum Resources early next week, ahead of the changes taking effect on 3 December 2025.
Is petrol still cheaper than it was earlier in the year even with SA fuel prices heading up again in December?
Yes. Despite the upcoming increase, inland 95 Unleaded will remain approximately 26c cheaper than it was in January 2025. Diesel, however, is more expensive compared to the start of the year.
Conclusion
SA fuel prices heading up again in December reflect the combined impact of volatile global oil markets, rising international diesel demand, and limited relief from exchange-rate movements. While petrol remains slightly cheaper compared to early 2025, diesel continues a noticeable upward trend. As the festive season approaches, motorists should prepare for higher travel costs and monitor official adjustments from the Department of Mineral and Petroleum Resources.
