Sri Lanka vs Tonga: Exposure to extreme temperature — Annual temperature change

Sri Lanka
0.3813 Degrees celsius
in 2023
Tonga
0.4011 Degrees celsius
in 2023
Sri Lanka rank
252nd
Tonga rank
250th

Exposure to extreme temperature — Annual temperature change over time

  • Sri Lanka
  • Tonga
-0.500.51197920012023

How they compare

Tonga currently reports 0.4011 Degrees celsius against 0.3813 Degrees celsius in Sri Lanka, a difference of 0.0198 Degrees celsius.

That makes Tonga's figure about 1.1 times Sri Lanka's.

The two have swapped places 13 times across 45 shared years of data; in 1979 it was Sri Lanka ahead.

Sri Lanka ranks 252nd and Tonga ranks 250th of 263 countries.

Across the 6 decades both report, Sri Lanka averaged higher in 3 and Tonga in 3.

Head to head by decade

Decade Sri Lanka Tonga Difference Ahead
1970s 0.1505 Degrees celsius -0.1779 Degrees celsius 0.3284 Degrees celsius Sri Lanka
1980s -0.052 Degrees celsius -0.202 Degrees celsius 0.15 Degrees celsius Sri Lanka
1990s -0.0111 Degrees celsius -0.0977 Degrees celsius 0.0866 Degrees celsius Sri Lanka
2000s 0.0481 Degrees celsius 0.2223 Degrees celsius 0.1743 Degrees celsius Tonga
2010s 0.2163 Degrees celsius 0.3954 Degrees celsius 0.1791 Degrees celsius Tonga
2020s 0.2658 Degrees celsius 0.6161 Degrees celsius 0.3503 Degrees celsius Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to extreme temperature — annual temperature change, Sri Lanka or Tonga?
Tonga, at 0.4011 Degrees celsius against 0.3813 Degrees celsius in Sri Lanka as of 2023.
What is the difference in exposure to extreme temperature — annual temperature change between Sri Lanka and Tonga?
0.0198 Degrees celsius, with Tonga ahead.
How many years of comparable data are there for Sri Lanka and Tonga?
45 years are reported by both, from 1979 to 2023.
How do Sri Lanka and Tonga rank globally for exposure to extreme temperature — annual temperature change?
Sri Lanka ranks 252nd and Tonga ranks 250th 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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Sri Lanka vs Tonga: 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/sri-lanka/tonga/

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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