Iceland vs Japan: Summer temperature anomalies
Iceland
0.1076 °C
in 2026
Japan
0.1053 °C
in 2026
Iceland rank
162nd
Japan rank
163rd
Summer temperature anomalies over time
- Iceland
- Japan
How they compare
Iceland currently reports 0.1076 °C against 0.1053 °C in Japan, a difference of 0.0023 °C.
The two have swapped places 34 times across 87 shared years of data; in 1940 it was Iceland ahead.
Iceland ranks 162nd and Japan ranks 163rd of 193 countries.
Across the 9 decades both report, Iceland averaged higher in 3 and Japan in 6.
Head to head by decade
| Decade | Iceland | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1940s | -2.48 °C | -1.18 °C | 1.3 °C | Japan |
| 1950s | -1.71 °C | -1.18 °C | 0.5322 °C | Japan |
| 1960s | -2.05 °C | -0.8867 °C | 1.17 °C | Japan |
| 1970s | -2.67 °C | -0.6191 °C | 2.05 °C | Japan |
| 1980s | -0.6962 °C | -0.7734 °C | 0.0772 °C | Iceland |
| 1990s | -0.8869 °C | -0.3382 °C | 0.5487 °C | Japan |
| 2000s | 0.3065 °C | 0.1457 °C | 0.1607 °C | Iceland |
| 2010s | 0.5268 °C | 0.1405 °C | 0.3863 °C | Iceland |
| 2020s | -0.2604 °C | 1.1 °C | 1.36 °C | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher summer temperature anomalies, Iceland or Japan?
- Iceland, at 0.1076 °C against 0.1053 °C in Japan as of 2026.
- What is the difference in summer temperature anomalies between Iceland and Japan?
- 0.0023 °C, with Iceland ahead.
- How many years of comparable data are there for Iceland and Japan?
- 87 years are reported by both, from 1940 to 2026.
- How do Iceland and Japan rank globally for summer temperature anomalies?
- Iceland ranks 162nd and Japan ranks 163rd of 193 countries.
- Where does this data come from?
- Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Summer temperature anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Difference in a specific month's average surface temperature from the mean temperature of the same month during the period 1991-2020, measured in degrees Celsius.