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Climate & Temperature > Canada > Ottawa, Ontario Climate
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Ottawa, Ontario Climate & Temperature

  • Ottawa, Ontario, Canada is at 4518'N, 7539'W, 114 m (374 ft). See map.
  • Ottawa, Ontario has a humid continental climate with severe winters, no dry season, warm summers and strong seasonality (Kppen-Geiger classification: Dfb).
  • According to the Holdridge life zones system of bioclimatic classification Ottawa, Ontario is situated in or near the cool temperate moist forest biome.
  • The mean temperature is 6 degrees Celsius (42.8 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 31.5 °C (56.7°F). This indicates that the continentality type is continental, subtype truly continental.
  • In the winter time records indicate temperatures by day reach -4.8°C (23.3°F) on average falling to -13.4°C (7.9°F) overnight.
  • In spring time temperatures climb reaching 10.4°C (50.7°F) generally in the afternoon with overnight lows of 0.4°C (32.7°F).
  • During summer average high temperatures are 24.9°C (76.8°F) and average low temperatures are 14°C (57.1°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 12.4°C (54.4°F) during the day and lows of 3.8°C (38.9°F) generally shortly after sunrise.
  • Total annual Precipitation averages 869.5 mm (34.2 inches) which is equivalent to 869.5 Litres/m (21.33 Gallons/ft).
  • On average there are 1989 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Ottawa, Ontario you would pop up nearest to the climate station at Albany, Western Australia, Australia where you would find a Mediterranean climate.

Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -6 (20) -5 (24) 2 (35) 11 (51) 19 (65) 24 (74) 26 (80) 25 (76) 20 (67) 13 (55) 5 (41) -4 (26) 11 (51)
average temperature iconAverage Temperature °C ( °F) -11 (13) -9 (15) -3 (27) 6 (43) 13 (55) 18 (65) 21 (69) 19 (67) 15 (58) 8 (47) 2 (35) -7 (19) 6 (43)
minimum temperature iconAverage Min Temperature °C ( °F) -15 (5) -14 (7) -7 (19) 1 (34) 7 (45) 13 (55) 15 (60) 14 (57) 10 (49) 4 (39) -2 (29) -11 (12) 1 (34)
rainfall iconAverage Precipitation mm (in) 51 (2) 50 (2) 57 (2) 65 (3) 77 (3) 84 (3) 87 (3) 88 (3) 84 (3) 75 (3) 81 (3) 73 (3) 870 (34)
rain days iconNumber of Wet Days (probability of rain on a day) 13 (42%) 13 (46%) 12 (39%) 11 (37%) 11 (35%) 11 (37%) 11 (35%) 10 (32%) 11 (37%) 11 (35%) 13 (43%) 14 (45%)   141 (39%)
sunshine iconAverage Sunlight Hours/ Day 03:00 03:53 04:30 05:36 07:25 08:20 09:03 08:11 05:46 04:21 02:36 02:29   05:26
daylight iconAverage Daylight Hours & Minutes/ Day 9h 09' 10h 19' 11h 51' 13h 28' 14h 52' 15h 35' 15h 15' 14h 03' 12h 29' 10h 51' 9h 28' 8h 47'   12h 00'
sunny or cloudy iconPercentage of Sunny (Cloudy) Daylight Hours 33 (67) 38 (62) 39 (61) 42 (58) 51 (49) 54 (46) 60 (40) 59 (41) 47 (53) 41 (59) 28 (72) 29 (71)   45 (55)
sun altitude iconSun altitude at solar noon on the 21st day (). 24.9 34.2 45.1 56.7 65 68.1 65 56.7 45.2 33.8 24.6 21.3   45

Ottawa, Ontario Climate Comparisons

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Ottawa, Ontario Climate Graph in Metric Units

Ottawa, Ontario Climate Graph

Ottawa, Ontario Climograph in English Units

Ottawa, Ontario Climate Graph

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