Reference Data in Montreal 15 indicators covering reference data for Montreal. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 98.88 Degree days 2025 down 7.9% 642nd Cooling and heating degree days - Cities and FUAs — Change in cooling -4.63 Degree days 2025 down 220.2% 580th Cooling and heating degree days - Cities and FUAs 3,597 Degree days 2025 down 1.8% 26th Cooling and heating degree days - Cities and FUAs — Change in heating -20.89 Degree days 2025 down 146.8% 138th Cooling and heating degree days - Cities and FUAs — Change in heating 95.89 % change on previous year 2025 up 317.0% 81st Cooling and heating degree days - Cities and FUAs, annual growth rate 15.69 % change on previous year 2025 up 1,742.6% 118th Cooling and heating degree days - Cities and FUAs — Change in cooling -112.49 % change on previous year 2025 down 189.9% 587th Cooling and heating degree days - Cities and FUAs — Cooling degree -29.68 % change on previous year 2025 down 236.2% 523rd Precipitation - Cities and FUAs — Extreme precipitation days 13.57 Days per year 2024 up 24.2% 347th Precipitation - Cities and FUAs — Change in extreme precipitation 3.11 Days per year 2024 up 571.9% 305th Dependency ratio - Cities and FUAs 27.5 Percentage of population aged 15-64 years 2021 up 29.7% 709th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed -6.9 Percentage of national value 2025 up 23.3% 1081st Internet speed - Cities and FUAs — Uploading speed -9.5 Percentage of national value 2025 down 183.3% 891st