Heat Index 35 in Singapore
Singapore: Heat Index 35 was 12.34 in 2024. ◆ Volatile
Heat Index 35 in Singapore, 1964–2024
Source: World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
Analysis
Singapore recorded 12.34 for heat index 35 in 2024. That is the highest value across all 23 years on record.
Compared with earlier readings it is up 38.8% on the previous year and up 213.2% over ten years.
Over the whole period, heat index 35 in Singapore peaked at 12.34 in 2024 and was at its lowest, 0.01, in 1964.
Singapore ranks 49th 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 Singapore, year by year
| Year | Value | Change |
|---|---|---|
| 1964 | 0.01 | — |
| 1979 | 0.63 | +6200.0% |
| 1988 | 1.09 | +73.0% |
| 1990 | 1.26 | +15.6% |
| 1998 | 10.62 | +742.9% |
| 2002 | 0.71 | -93.3% |
| 2003 | 0.13 | -81.7% |
| 2004 | 3.68 | +2730.8% |
| 2009 | 0.46 | -87.5% |
| 2010 | 3.72 | +708.7% |
| 2011 | 0.86 | -76.9% |
| 2013 | 3.26 | +279.1% |
| 2014 | 3.94 | +20.9% |
| 2015 | 1.23 | -68.8% |
| 2016 | 10.15 | +725.2% |
| 2017 | 3.55 | -65.0% |
| 2018 | 2.88 | -18.9% |
| 2019 | 4.56 | +58.3% |
| 2020 | 5.03 | +10.3% |
| 2021 | 0.94 | -81.3% |
| 2022 | 1.31 | +39.4% |
| 2023 | 8.89 | +578.6% |
| 2024 | 12.34 | +38.8% |
Singapore compared with similar countries
- Singapore's 12.34 is above the median for East Asia & Pacific, which is 7.21, 1.7× the median. (23 countries reporting)
Biggest year-on-year movements
Years where Heat Index 35 in Singapore changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1979 | +6200.0% | 0.01 | 0.63 |
| 2004 | +2730.8% | 0.13 | 3.68 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.01 | 0.01 | 0.01 | 1 |
| 1970s | 0.63 | 0.63 | 0.63 | 1 |
| 1980s | 1.09 | 1.09 | 1.09 | 1 |
| 1990s | 5.94 | 1.26 | 10.62 | 2 |
| 2000s | 1.25 | 0.13 | 3.68 | 4 |
| 2010s | 3.79 | 0.86 | 10.15 | 9 |
| 2020s | 5.7 | 0.94 | 12.34 | 5 |
Countries ranked near Singapore
More environment data for Singapore
- Historical exposure to drought — Land soil moisture anomaly -1.71 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -0.9965 Percentage change (2025)
- Standard Deviation, annual growth rate 42.94 % change on previous year (1990)
- Standard Deviation 0.253 °C (1990)
- Temperature change 0.647 °C (1990)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 5.11 % 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 -5.19 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is heat index 35 in Singapore?
- Heat index 35 in Singapore was 12.34 in 2024, according to World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
- What is the highest heat index 35 recorded in Singapore?
- The highest recorded value was 12.34 in 2024.
- What is the lowest heat index 35 recorded in Singapore?
- The lowest recorded value was 0.01 in 1964.
- How does Singapore rank for heat index 35?
- Singapore ranks 49th out of 166 countries with data for 2024.
- Is heat index 35 rising or falling in Singapore?
- Over the last ten years it is up 213.2%. The long-run trend across the full record is volatile.
- Where does this Singapore 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 — 23 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.