Réunion vs Wallonia: Exposure to extreme temperature — Annual temperature change

Réunion
0.7234 Degrees celsius
in 2023
Wallonia
1.61 Degrees celsius
in 2023
Réunion rank
199th
Wallonia rank
202nd

Exposure to extreme temperature — Annual temperature change over time

  • Réunion
  • Wallonia
-2-1012197920012023

How they compare

Wallonia currently reports 1.61 Degrees celsius against 0.7234 Degrees celsius in Réunion, a difference of 0.8866 Degrees celsius.

That makes Wallonia's figure about 2.2 times Réunion's.

The two have swapped places 15 times across 45 shared years of data; in 1979 it was Réunion ahead.

Réunion ranks 199th and Wallonia ranks 202nd of 263 countries.

Across the 6 decades both report, Réunion averaged higher in 2 and Wallonia in 4.

Head to head by decade

Decade Réunion Wallonia Difference Ahead
1970s 0.3304 Degrees celsius -1.33 Degrees celsius 1.66 Degrees celsius Réunion
1980s -0.0269 Degrees celsius -0.6246 Degrees celsius 0.5977 Degrees celsius Réunion
1990s -0.1819 Degrees celsius 0.0552 Degrees celsius 0.2371 Degrees celsius Wallonia
2000s 0.1753 Degrees celsius 0.5414 Degrees celsius 0.3662 Degrees celsius Wallonia
2010s 0.5306 Degrees celsius 0.5748 Degrees celsius 0.0441 Degrees celsius Wallonia
2020s 0.2862 Degrees celsius 1.3 Degrees celsius 1.01 Degrees celsius Wallonia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to extreme temperature — annual temperature change, Réunion or Wallonia?
Wallonia, at 1.61 Degrees celsius against 0.7234 Degrees celsius in Réunion as of 2023.
What is the difference in exposure to extreme temperature — annual temperature change between Réunion and Wallonia?
0.8866 Degrees celsius, with Wallonia ahead.
How many years of comparable data are there for Réunion and Wallonia?
45 years are reported by both, from 1979 to 2023.
How do Réunion and Wallonia rank globally for exposure to extreme temperature — annual temperature change?
Réunion ranks 199th and Wallonia ranks 202nd of 263 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Exposure to extreme temperature — Annual temperature change. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Réunion vs Wallonia: Exposure to extreme temperature — Annual temperature change. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://reference.statizoid.com/compare/exposure-to-extreme-temperature-annual-temperature-change/reunion-2/wallonia/

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About this data

Indicator
Exposure to extreme temperature — Annual temperature change
Unit
Degrees celsius
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
979 places, 44,055 data points, 1979–2023
Last refreshed

The dataset provides a global assessment of changes in average temperature by providing the temperature anomaly, days with above-average temperatures and days with below-average temperatures. Exposure indicators to extreme temperature have been prepared jointly by the Organisation for Economic Co-operation and Development (OECD) and the International Energy Agency (IEA). Please see the working paper for a more complete description of the methods. The dataset also provides a global assessment of extreme temperatures through the use of a variety of climate indices, including hot days, tropical nights, the Universal Thermal Climate Index and icing days. The datasets span the period 1979-2022, depending on data availability and are the result of the use of a variety of geospatial data sources. The dataset has a global coverage on a national level; on the sub-national TL2 level (i.e. large subnational regions) results are reported for all OECD countries as well as for Argentina, Brazil, China, India, Indonesia and South Africa. A number of aggregates are included: Euro area, European Union, Advanced economies, Emerging market economies, G7, G20, OECD, OECD Europe, OECD Asia Oceania, OECD Americas and the LAC region. Data source(s): Copernicus Climate Data Store temperature data (ERA5) and Global Human Settlement Layer population grid data. Contact: ENV.Stat@oecd.org Database documentation