Climate

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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

29 January

2007: In Ottawa, ON, 2 men replacing windows in a government building got stuck on their mechanical scaffold in temperatures below -20°C, a wind chill near -30°C, and winds up to 28 km/h. They waited 12 hours, huddled under sleeping bags with a 300-watt light for warmth, while the electrical problem was investigated. When the problem could not be fixed, the fire department had to rescue them.

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