Climate for Station: Ottawa Macdonald-Cartier Int'l, Ontario, Canada
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Station Statistics
10-Year Trend
High: +0.33 °C/decade
Low: +1.84 °C/decade
Rain: -0.00 mm/decade
25-Year Trend
High: +0.35 °C/decade
Low: +0.26 °C/decade
Rain: +0.05 mm/decade
50-Year Trend
High: +0.39 °C/decade
Low: +0.24 °C/decade
Rain: +0.00 mm/decade
All-Time Trend
High: +0.18 °C/decade
Low: +0.17 °C/decade
Rain: +0.04 mm/decade
Percentage Above-Average Days
Last 12 Months: 51.5%
This Year: 41.7%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 8.9
Historical Average: 11.9
Percentile Rank of Last 12 Months ℹ️
High: 83rd percentile
Low: 92nd percentile
Rain: 63rd percentile
Change in Variance ℹ️
High: -3.2%
Low: -9.3%
Intraday: +10.5%
Data Coverage
94.6%
First Year of Data
1947
Station Location
Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 37.8 °C | — | -28.1 °C | 29.6 °C | — | -31.1 °C | 25.0 °C | — | -36.1 °C | 98.5 mm | — | 406.0 mm | — |
| January | 12.9 °C | -5.9 °C | -28.1 °C | 9.6 °C | -10.0 °C | -31.1 °C | 6.3 °C | -15.0 °C | -35.6 °C | 43.6 mm | 2.0 mm | 386.0 mm | 16.4 mm |
| February | 16.0 °C | -4.1 °C | -24.4 °C | 7.0 °C | -8.4 °C | -27.7 °C | 4.5 °C | -13.6 °C | -36.1 °C | 40.4 mm | 2.0 mm | 396.0 mm | 16.4 mm |
| March | 27.4 °C | 2.0 °C | -18.3 °C | 17.3 °C | -2.4 °C | -24.1 °C | 10.6 °C | -7.2 °C | -30.6 °C | 44.2 mm | 2.1 mm | 406.0 mm | 12.1 mm |
| April | 31.1 °C | 11.0 °C | -7.2 °C | 23.7 °C | 6.0 °C | -9.7 °C | 16.5 °C | 0.4 °C | -16.7 °C | 46.2 mm | 2.5 mm | 267.0 mm | 3.2 mm |
| May | 35.8 °C | 19.0 °C | 2.1 °C | 26.7 °C | 13.3 °C | -0.3 °C | 20.6 °C | 7.2 °C | -5.6 °C | 47.8 mm | 2.4 mm | 150.0 mm | 0.2 mm |
| June | 36.1 °C | 24.0 °C | 10.6 °C | 29.1 °C | 18.4 °C | 6.3 °C | 24.0 °C | 12.6 °C | -0.1 °C | 66.6 mm | 2.9 mm | 0.0 mm | 0.0 mm |
| July | 36.9 °C | 26.7 °C | 14.4 °C | 29.6 °C | 21.0 °C | 11.9 °C | 25.0 °C | 15.2 °C | 5.0 °C | 79.0 mm | 2.9 mm | 0.0 mm | 0.0 mm |
| August | 37.8 °C | 25.3 °C | 11.1 °C | 29.5 °C | 19.6 °C | 8.1 °C | 24.5 °C | 14.0 °C | 2.6 °C | 67.0 mm | 2.7 mm | 0.0 mm | 0.0 mm |
| September | 35.1 °C | 20.4 °C | 4.4 °C | 27.1 °C | 15.0 °C | 3.0 °C | 22.2 °C | 9.3 °C | -3.0 °C | 98.5 mm | 2.7 mm | 15.0 mm | 0.0 mm |
| October | 31.0 °C | 13.3 °C | 0.0 °C | 21.6 °C | 8.4 °C | -2.4 °C | 17.0 °C | 3.4 °C | -8.4 °C | 59.5 mm | 2.5 mm | 292.0 mm | 0.9 mm |
| November | 23.9 °C | 5.2 °C | -13.3 °C | 19.1 °C | 1.5 °C | -14.5 °C | 14.8 °C | -2.6 °C | -21.7 °C | 46.2 mm | 2.5 mm | 282.0 mm | 7.1 mm |
| December | 17.9 °C | -2.8 °C | -25.6 °C | 10.8 °C | -6.3 °C | -28.2 °C | 7.4 °C | -10.7 °C | -34.4 °C | 43.7 mm | 2.6 mm | 356.0 mm | 17.5 mm |
Plots
Current Year Climate Trends vs Historical
Max Temperature this Year | 1 of 4
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 4
Daily Average Temperatures Throughout the Year
Average Max Temperature Throughout Year | 1 of 3
