Temperature analysis
Deep-dive into thermal shifts, warming trends and seasonal anomalies for a single region.
Temperature timeline — Toronto
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 | -0.8 | 2.8 | -4.8 | 0 |
| Nov 2025 | 5.3 | 10.0 | 0.2 | 0 |
| Oct 2025 | 12.3 | 15.4 | 7.5 | 0 |
| Sep 2025 | 17.5 | 21.9 | 12.1 | 0 |
| Aug 2025 | 22.9 | 26.7 | 19.3 | 0 |
| Jul 2025 | 25.4 | 28.9 | 20.8 | 2 |
| Jun 2025 | 23.7 | 26.8 | 20.1 | 0 |
| May 2025 | 16.7 | 21.9 | 12.2 | 0 |
| Apr 2025 | 11.3 | 15.2 | 7.3 | 0 |
| Mar 2025 | 5.7 | 10.5 | 1.9 | 0 |
| Feb 2025 | -0.4 | 4.0 | -3.5 | 0 |
| Jan 2025 | -2.6 | 1.8 | -6.5 | 0 |
| Dec 2024 | 0.9 | 4.0 | -2.5 | 0 |
| Nov 2024 | 3.1 | 7.3 | -0.9 | 0 |
| Oct 2024 | 12.2 | 16.3 | 7.0 | 0 |
| Sep 2024 | 17.9 | 22.8 | 14.8 | 0 |
| Aug 2024 | 23.0 | 26.3 | 18.9 | 0 |
| Jul 2024 | 25.0 | 29.1 | 21.5 | 2 |
| Jun 2024 | 23.0 | 26.4 | 17.9 | 0 |
| May 2024 | 18.2 | 22.0 | 14.9 | 0 |
| Apr 2024 | 11.0 | 14.4 | 6.7 | 0 |
| Mar 2024 | 5.7 | 9.3 | 1.1 | 0 |
| Feb 2024 | -1.2 | 2.0 | -5.0 | 0 |
| Jan 2024 | -2.9 | 1.3 | -6.0 | 0 |