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Historical Climate Data

Access hourly, daily, or monthly data for stations across Canada.

Historical RADAR

Access historical radar images for 31 stations across Canada. National, regional and local images are available.

Canadian Climate Normals

Find climate averages or extremes for nearly 1100 locations in Canada.

Engineering Climate Datasets

Interested in IDF Curves, CWEEDS or CWEC files? Visit our Engineering Climate Datasets page.

Monthly Climate Summaries

Are you looking for...?

  • Precipitation Totals
  • Max-Min Temperatures
  • Degree Days
  • Monthly Summaries

A cross-country summary of the averages and extremes for the month.

  • Historical Climate Data1
  • Historical RADAR2
  • Canadian Climate Normals3
  • Engineering Climate Datasets4
  • Monthly Climate Summaries5

Accessing the Data

Follow these steps to access historical climate data:

Step 1:

Select data interval

Data Interval

Step 2:

Select date

Step 3:

Type in location name and select Search

Station Name
Still can't find what you are looking for? Visit our Advanced Search page.
Need more help? Visit our How to Use page.

Today's Weather Trivia

21 September

1944: Travelling at a terrific speed, a twister cut a 0.5-km-wide swath across the countryside on both sides of the Ottawa River, mowing down several buildings and 1,000s of trees. The freak windstorm was accompanied by heavy hail and torrential rain. It originated near Haley's Station in Ontario's Renfrew County, swept northward, jumped the Ottawa River, and lifted just north of Shawville, QC.

Excerpt from 'The Canadian Weather Trivia Calendar' by David Phillips. © Environment Canada