Ontario Climate Change Data Portal

Average Temperature
- Guides for Maps
- Maps
  - Annual Mean
  - Indexes
  - Seasonal Mean
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Mean
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Time-series
- Data
  - Historical
  - Future
    - Provincial Averages Anomaly
    - Regional Ensemble Mean
    - Municipal Ensemble Mean
    - Daily data on grids
    - Averages on grids
    - Ensemble Mean on grids
    - Municipalities Daily Data
Total Precipitation
- Maps
  - Annual Total Precipitation
  - Indexes
    - Rx1day
    - Rx5day
    - Wet Days
    - R10mm
    - R20mm
    - R95pTOT
    - R99pTOT
    - prCWD
    - DrySpell
    - PRCPTOT
    - SDII
  - Seasonal Total Precipitation
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Total Precipitation
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Time-series
- Data
  - Historical
  - Future
    - Provincial Averages Anomaly
    - Regional Ensemble Mean
    - Municipal Ensemble Mean
    - Daily data on grids
    - Averages on grids
    - Ensemble Mean on grids
    - Municipalities Daily Data
Maximum Temperature
- Maps
  - Annual Mean
  - Indexes
    - Su
    - TR
    - TXx
    - TX90p
    - Tn90p
    - WSDI
    - HWDI-days
    - HWDI-period
    - HWDI-strength
  - Seasonal Mean
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Mean
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Time-series
- Data
  - Historical
  - Future
    - Provincial Averages Anomaly
    - Regional Ensemble Mean
    - Municipal Ensemble Mean
    - Daily data on grids
    - Averages on grids
    - Ensemble Mean on grids
    - Municipalities Daily Data
Minimum Temperature
- Maps
  - Annual Mean
  - Indexes
    - FD
    - ID
    - TNn
    - TN10p
    - TX10p
    - CSDI
    - Heating Degree Days
  - Seasonal Mean
    - Spring
    - Summer
    - Autumn
    - Winter
  - Monthly Mean
    - January
    - February
    - March
    - April
    - May
    - June
    - July
    - August
    - September
    - October
    - November
    - December
- Time-series
- Data
  - Historical
  - Future
    - Provincial Averages Anomaly
    - Regional Ensemble Mean
    - Municipal Ensemble Mean
    - Daily data on grids
    - Averages on grids
    - Ensemble Mean on grids
    - Municipalities Daily Data
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)
FAQ