Environment and Climate Change Canada


  • Historical Weather Observations
    • Historical (last ~180 years)

    • Hourly, daily, monthly, (annual) resolution

    • Time series of stations in Canada


The licence for the use of ECCC data is given at

Specifically we want to quote and therewith highlight two passages from ECCC:


    “You are authorized to further distribute the data or software, including any portion of it, contained in this product under the following conditions only. No fee will be charged explicitly for this Environment and Climate Change Canada product to any party to whom it is distributed. (Charges for value-added services are permitted.). In consideration of the licence you are herein granted, you have the obligation to acknowledge the source of the Environment and Climate Change Canada Data with the following layout or something similar: based on Environment and Climate Change Canada data. Redistribution must occur so that any other party must agree to the same redistribution restrictions before use of the redistributed product is allowed.”


    “Environment and Climate Change Canada does not warrant the quality, accuracy, or completeness of any information or data. Such information and data is provided “AS IS” without warranty or condition of any nature. Environment and Climate Change Canada disclaims all other warranties, expressed or implied, including but not limited to implied warranties of merchantability and fitness for a particular purpose, with respect to the software, the data retrieved from this product, and any accompanying materials.”