Temperature analysis
Deep-dive into thermal shifts, warming trends and seasonal anomalies for a single region.
Temperature timeline — Tokyo
Monthly min, mean and max with a shaded range and rolling smoothed overlay.
Seasonal anomaly heatmap
Months × years, coloured by departure from the 1961–1990 baseline.
Decadal distributions
Density of monthly mean temperatures by decade.
Recent monthly detail
Most recent 24 months for the selected filters.
| Month | Mean °C | Max °C | Min °C | Extreme-heat days |
|---|---|---|---|---|
| Dec 2025 | 9.4 | 12.6 | 5.3 | 0 |
| Nov 2025 | 13.9 | 18.2 | 10.4 | 0 |
| Oct 2025 | 19.3 | 22.3 | 14.6 | 0 |
| Sep 2025 | 23.1 | 26.6 | 19.3 | 0 |
| Aug 2025 | 27.8 | 31.4 | 24.2 | 4 |
| Jul 2025 | 27.8 | 32.9 | 23.2 | 6 |
| Jun 2025 | 26.4 | 29.7 | 21.7 | 3 |
| May 2025 | 22.8 | 28.3 | 17.5 | 0 |
| Apr 2025 | 18.0 | 21.3 | 13.9 | 0 |
| Mar 2025 | 13.3 | 17.0 | 9.1 | 0 |
| Feb 2025 | 10.3 | 14.5 | 6.5 | 0 |
| Jan 2025 | 6.5 | 10.1 | 3.0 | 0 |
| Dec 2024 | 10.2 | 14.6 | 6.5 | 0 |
| Nov 2024 | 12.2 | 15.3 | 8.9 | 0 |
| Oct 2024 | 19.0 | 24.8 | 15.5 | 0 |
| Sep 2024 | 25.1 | 29.4 | 20.4 | 3 |
| Aug 2024 | 28.4 | 31.7 | 23.7 | 3 |
| Jul 2024 | 29.5 | 34.2 | 25.7 | 7 |
| Jun 2024 | 27.0 | 31.1 | 21.3 | 4 |
| May 2024 | 23.8 | 27.4 | 20.5 | 2 |
| Apr 2024 | 17.6 | 21.4 | 13.1 | 0 |
| Mar 2024 | 12.8 | 17.4 | 8.2 | 0 |
| Feb 2024 | 10.6 | 16.2 | 6.7 | 0 |
| Jan 2024 | 8.4 | 13.3 | 3.9 | 0 |