Seasonal Temperatures

Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps of the mean daily temperatures for January, April, July and October averaged over the 30 year period, circa 1921-1950. The mean temperature for any day is the average of the maximum and minimum temperatures for that day. The mean daily temperature for any month is the average of the mean temperatures for each day of that month.

Data and Resources

Additional Info

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Last Updated January 20, 2026, 00:32 (UTC)
Created January 16, 2026, 20:34 (UTC)
crisis_categories Canicules
criticality_level Élevé
data_formats JPG; PDF
description_fr Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps of the mean daily temperatures for January, April, July and October averaged over the 30 year period, circa 1921-1950. The mean temperature for any day is the average of the maximum and minimum temperatures for that day. The mean daily temperature for any month is the average of the mean temperatures for each day of that month.
fair_openness Level 2 - Machine-readable
geographic_scope Canada
opening_level Donnée ouverte au grand public
sector nature_and_environment
sensitivity_level Faible
source_inventaire Inventaire_F
source_url https://ftp.geogratis.gc.ca/pub/nrcan_rncan/raster/atlas_3_ed/eng/environment/climate/021.jpg
title_fr Seasonal Temperatures
update_frequency Selon les besoins