Heat Index 35 in South Africa
South Africa: Heat Index 35 was 0.03 in 2024. ◆ Volatile
Heat Index 35 in South Africa, 1966–2024
Source: World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
Analysis
South Africa recorded 0.03 for heat index 35 in 2024.
Compared with earlier readings it is up 200.0% over ten years.
Over the whole period, heat index 35 in South Africa peaked at 0.04 in 2020 and was at its lowest, 0.01, in 1966.
South Africa ranks 114th of 166 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Heat Index 35 in South Africa, year by year
| Year | Value | Change |
|---|---|---|
| 1966 | 0.01 | — |
| 1969 | 0.02 | +100.0% |
| 1977 | 0.02 | +0.0% |
| 1980 | 0.01 | -50.0% |
| 1991 | 0.01 | +0.0% |
| 1992 | 0.02 | +100.0% |
| 2003 | 0.01 | -50.0% |
| 2006 | 0.01 | +0.0% |
| 2009 | 0.02 | +100.0% |
| 2015 | 0.01 | -50.0% |
| 2016 | 0.03 | +200.0% |
| 2018 | 0.01 | -66.7% |
| 2019 | 0.03 | +200.0% |
| 2020 | 0.04 | +33.3% |
| 2024 | 0.03 | -25.0% |
South Africa compared with similar countries
- South Africa's 0.03 is below the median for upper middle income countries, which is 1.66, 2% of the median. (48 countries reporting)
- South Africa's 0.03 is below the median for Sub-Saharan Africa, which is 7.48, 0% of the median. (42 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.015 | 0.01 | 0.02 | 2 |
| 1970s | 0.02 | 0.02 | 0.02 | 1 |
| 1980s | 0.01 | 0.01 | 0.01 | 1 |
| 1990s | 0.015 | 0.01 | 0.02 | 2 |
| 2000s | 0.0133 | 0.01 | 0.02 | 3 |
| 2010s | 0.02 | 0.01 | 0.03 | 4 |
| 2020s | 0.035 | 0.03 | 0.04 | 2 |
Countries ranked near South Africa
More environment data for South Africa
- Historical exposure to drought — Land soil moisture anomaly 5.46 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 8.52 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.275 °C (2025)
- Temperature change 1.05 °C (2025)
- Wood-based panels — Production, annual growth rate 0 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.59 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 0.2953 % change on previous year (2024)
Frequently asked questions
- What is heat index 35 in South Africa?
- Heat index 35 in South Africa was 0.03 in 2024, according to World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
- What is the highest heat index 35 recorded in South Africa?
- The highest recorded value was 0.04 in 2020.
- What is the lowest heat index 35 recorded in South Africa?
- The lowest recorded value was 0.01 in 1966.
- How does South Africa rank for heat index 35?
- South Africa ranks 114th out of 166 countries with data for 2024.
- Is heat index 35 rising or falling in South Africa?
- Over the last ten years it is up 200.0%. The long-run trend across the full record is volatile.
- Where does this South Africa data come from?
- The figures come from World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org, published as part of Heat Index 35. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 15 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
Total count of days per year where the daily mean Heat Index rose above 35°C. A Heat Index is a measure of how hot it feels once humidity is factored in with air temperature.