The National Climate Data and Information Archive, operated and maintained by Environment Canada, contains official climate and weather observations for Canada.
Direct access to climate and weather values in the database is available at Climate Data Online.
Use this area to find out what the weather was like on a particular day, for a month, or for a whole
year. New... download data files in CSV or XML format, and try the new customizable charts from the
navigation options at the bottom of the daily data page.
The Canadian Climate Normals contain averages and extremes for nearly 1,500 locations across Canada.
Use this area to find out about the conditions usually found at a location at different times of the
year.
A range of other products are also available. Use this area to obtain data documentation, country-wide
summaries of monthly data, CD-images, or any other additional services and publications. New... monthly climate summaries are now available
for any historical month.