Ontario Climate Change Data Portal

Maps
- Guides for Maps
- Mean Temperature
  - Annual Mean
  - Seasonal Mean
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Mean
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Maximum Temperature
  - Annual Mean
  - Seasonal Mean
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Mean
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Minimum Temperature
  - Annual Mean
  - Seasonal Mean
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Mean
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Precipitation
  - Annual Mean
  - Seasonal Mean
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Mean
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Climate Indices
  - Extreme Hot
    - Su
    - TR
    - TXx
    - TX90p
    - Tn90p
    - WSDI
    - HWDI-days
    - HWDI-period
    - HWDI-strength
    - Cooling Degree Days
  - Extreme Cold
    - FD
    - ID
    - TNn
    - TN10p
    - TX10p
    - CSDI
    - Heating Degree Days
  - Extreme Wet
    - Rx1day
    - Rx5day
    - Wet Days
    - R10mm
    - R20mm
    - R95pTOT
    - R99pTOT
    - prCWD
    - PRCPTOT
    - SDII
  - Extreme Dry
    - DrySpell
  - agroclimatic indices
    - GSL
    - GS-Start
    - GS-End
Timeseries
- Guides for Time-series
- Province
  - Basic Variables
  - Extreme Hot
  - Extreme Cold
  - Extreme Wet
  - Extreme Dry
    - Consecutive Dry Days
  - agroclimatic indices
- Regions
  - Regions in Ontario
  - Basic Variables
  - Extreme Hot
  - Extreme Cold
  - Extreme Wet
  - Extreme Dry
    - Consecutive Dry Days
  - Agroclimatic indices
- Municipalities
  - Locations
  - Basic Variables
- Grids
Data
- Guides for Data Download
- github
- Data Files
  - Historical
  - Future
    - Provincial Averages Anomaly
    - Regional Averages Ensemble Mean
    - Municipal Ensemble Mean Data
    - Municipalities Daily Data
    - Grids Daily and Averages
      - Daily
        
        tas
        
        tasmax
        
        tasmin
        
        pr
      - Averages
        
        tas
        
        tasmax
        
        tasmin
        
        pr
      - Ensemble Mean
Documents
- Guides for Documents
- Reports
- Factsheets
  - Provincial Averages
  - Regional Averages (50)
    - ALGOMA
    - BRANT
    - BRUCE
    - COCHRANE
    - DUFFERIN
    - DURHAM
    - ELGIN
    - ESSEX
    - FRONTENAC
    - GREY
    - HALDIMAND-NORFOLK
    - HALIBURTON
    - HALTON
    - HAMILTON-WENTWORTH
    - HASTINGS
    - HURON
    - Island-county-stat
    - KENORA
    - KENT
    - LAMBTON
    - LANARK
    - LEEDSandGRENVILLE
    - LENNOXandADDINGTON
    - MANITOULIN
    - METROPOLITAN-TORONTO
    - MIDDLESEX
    - MUSKOKA
    - NIAGARA
    - NIPISSING
    - NORTHUMBERLAND
    - OTTAWA-CARLTON
    - OXFORD
    - PARRY-SOUND
    - PEEL
    - PERTH
    - PETERBOROUGH
    - PRESCOTTandRUSSELL
    - PRINCE-EDWARD
    - RAINY-RIVER
    - RENFREW
    - SIMCOE
    - STORMONT-DUNDASandGL
    - SUDBURY
    - SUDBURY-REGION
    - THUNDER-BAY
    - TIMISKAMING
    - VICTORIA
    - WATERLOO
    - WELLINGTON
    - YORK
  - Municipal averages (150)
- Gallery
  - TimeSeries
  - Maps
FAQ