Los Angeles or Montreal: which climate?
Los Angeles (United States) has a hot-summer mediterranean climate, whereas Montreal (Canada) has a warm-summer humid continental climate, according to the Köppen-Geiger classification.
The values compared here are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme. The same method and the same period apply to Los Angeles and to Montreal.
Los Angeles is warmer than Montreal by 10.7 °C in annual average: 17.4 °C against 6.7 °C.
Montreal gets more rain than Los Angeles: 1,081 mm per year against 352 mm.
Los Angeles gets 11.2 hours of sunshine per day on average, against 8.5 hours in Montreal.
Los Angeles and Montreal are warming at the same rate: about +1.7 °C between 1940 and 2025 on both sides.
Los Angeles averages 62 hot days (≥ 30 °C) and 1 frost days per year; Montreal averages 9 and 146.
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
| Indicator | Los Angeles | Montreal | Difference |
|---|---|---|---|
| Mean daily temperature | 17.4 °C | 6.7 °C | -10.7 °C |
| Average daily high | 23.9 °C | 11.2 °C | -12.7 °C |
| Average daily low | 12.4 °C | 2.1 °C | -10.3 °C |
| Annual rainfall | 352 mm | 1,081 mm | +729 mm |
| Sunshine / day | 11.2 h | 8.5 h | -2.7 h |
| Hot days (≥ 30 °C) | 62 d/yr | 9 d/yr | -53 d/yr |
| Frost days (< 0 °C) | 1 d/yr | 146 d/yr | +145 d/yr |
| Rainy days (≥ 1 mm) | 31 d/yr | 138 d/yr | +107 d/yr |
| Mean relative humidity | 63 % | 72 % | +9 % |
| Average peak wind | 13.3 km/h | 18.7 km/h | +5.4 km/h |
A difference is only reported when it exceeds the resolution of the data. ERA5 is a reanalysis on a grid of about 31 km: two nearby cities often fall in the same cell, and below half a degree you are reading the grid, not the climate.