Ottawa, Ontario, Canada Climate

Weather: 10.18°C/50.32°F, Wind SW at 2.57 km/h, 31% Humidity, 0% Chance of rain

Canada
(Photo by Natasha Reddy on Unsplash)

Ottawa Climate Summary

Located at an elevation of 71.81 meters (235.6 feet) above sea level, Ottawa has a Humid continental, no dry season, warm summer climate (Classification: Dfb). The district’s yearly temperature is 7.34ºC (45.21ºF) and it is 5.25% higher than Canada’s averages. Ottawa typically receives about 35.93 millimeters (1.41 inches) of precipitation and has 45.38 rainy days (12.43% of the time) annually.

CountryCanada
CityOntario
Longitude-75.6971931
Latitude45.4215296
Attitude/Elevation71.81m (235.6ft)
Local timeFriday 16:45
Annual high temperature10.14ºC (50.25ºF)
Annual low temperature2.1ºC (35.78ºF)
Average annual precip.35.93mm (1.41in)
Warmest monthJuly (26.84ºC / 80.31ºF)
Coldest MonthJanuary (-13.76ºC / 7.23ºF)
Wettest MonthApril (46.44mm / 1.83in)
Driest MonthSeptember (28.44mm / 1.12in)
Number of days with rainfall (≥ 1.0 mm)45.38 days (12.43%)
Days with no rain319.62 days (87.57%)
Humidity79.85%

Climate Ottawa: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)10.0(50.0)8.0(46.4)13.0(55.4)18.0(64.4)28.0(82.4)30.0(86.0)34.0(93.2)32.0(89.6)29.0(84.2)26.0(78.8)19.0(66.2)8.0(46.4)34.0(93.2)
Average high °C (°F)-5.99(21.22)-3.68(25.38)1.25(34.25)7.59(45.66)17.14(62.85)22.13(71.83)26.84(80.31)24.46(76.03)19.84(67.71)11.03(51.85)2.73(36.91)-1.66(29.01)10.14(50.25)
Daily mean °C (°F)-8.66(16.41)-6.6(20.12)-1.14(29.95)4.86(40.75)13.85(56.93)18.98(66.16)23.66(74.59)21.12(70.02)16.42(61.56)8.34(47.01)0.68(33.22)-3.39(25.9)7.34(45.21)
Average low °C (°F)-13.76(7.23)-11.84(10.69)-5.61(21.9)-0.04(31.93)7.17(44.91)12.29(54.12)16.99(62.58)15.16(59.29)10.86(51.55)3.9(39.02)-3.1(26.42)-6.84(19.69)2.1(35.78)
Record low °C (°F)-28.0(-18.4)-26.0(-14.8)-20.0(-4.0)-12.0(10.4)-4.0(24.8)4.0(39.2)12.0(53.6)8.0(46.4)3.0(37.4)-5.0(23.0)-18.0(-0.4)-20.0(-4.0)-28.0(-18.4)
Average precipitation mm (inches)46.07(1.81)33.2(1.31)36.12(1.42)46.44(1.83)29.22(1.15)32.8(1.29)38.14(1.5)31.81(1.25)28.44(1.12)42.45(1.67)32.72(1.29)33.72(1.33)35.93(1.41)
Average precipitation days (≥ 1.0 mm)4.273.733.914.03.643.824.094.02.913.643.733.643.78
Average relative humidity (%)88.0987.7881.8174.7772.8676.9874.8978.2277.5478.9684.2282.0479.85
Mean monthly sunshine hours5.57.28.079.1312.5613.013.6311.6510.258.115.625.679.2

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Ottawa in recent years.

Ottawa

Ottawa Temperature by Month

July
23.66°C | 74.59°F
August
21.12°C | 70.02°F
June
18.98°C | 66.16°F
September
16.42°C | 61.56°F
May
13.85°C | 56.93°F
October
8.34°C | 47.01°F
April
4.86°C | 40.75°F
November
0.68°C | 33.22°F
March
-1.14°C | 29.95°F
December
-3.39°C | 25.9°F
February
-6.6°C | 20.12°F
January
-8.66°C | 16.41°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature2.0°C (35.6°F)-7.42°C (18.64°F)-18.0°C (-0.4°F)
Avg Temperature2.0°C (35.6°F)-10.39°C (13.3°F)-22.0°C (-7.6°F)
Min Temperature-2.0°C (28.4°F)-15.97°C (3.25°F)-28.0°C (-18.4°F)
Dew PointMaxAverageMin
Dew Point-0.0°C (0°F)-13.16°C (8.31°F)-25.0°C (-13.0°F)
PrecipitationMaxAverageMinSum
Precipitation36.0mm | 1.42in5.39mm | 0.21in0.0mm | 0in167.2mm | 6.58in
Snowdepth19.5mm | 0.77in3.3mm | 0.13in0.0mm | 0in102.30000000000001mm | 4.03in
WindMaxAverageMin
Wind24.0kmh | 14.91mph12.81kmh | 7.96mph5.0kmh | 3.11mph
Gust Wind39.0kmh | 24.23mph20.84kmh | 12.95mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure36.0mb5.39mb0.0mb
Ottawa

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
January° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-01-01-7 | 19.4-8 | 17.68515 | 9.3229.91 | 101328.4 | 1.12
2019-01-02-14 | 6.8-18 | -0.4757 | 4.3530.3 | 10260.1 | 0.0
2019-01-03-6 | 21.2-8 | 17.6918 | 4.9729.88 | 10123.7 | 0.15
2019-01-041 | 33.8-1 | 30.29012 | 7.4629.74 | 10073.3 | 0.13
2019-01-05-0 | 32.0-2 | 28.4948 | 4.9729.71 | 10061.0 | 0.04
2019-01-06-7 | 19.4-9 | 15.88116 | 9.9430.09 | 10192.4 | 0.09
2019-01-07-12 | 10.4-15 | 5.0799 | 5.5930.42 | 10301.7 | 0.07
2019-01-082 | 35.6-0 | 32.09711 | 6.8429.71 | 100615.1 | 0.59
2019-01-09-0 | 32.0-2 | 28.49116 | 9.9429.53 | 10007.0 | 0.28
2019-01-10-10 | 14.0-12 | 10.47924 | 14.9129.85 | 10111.0 | 0.04
2019-01-11-17 | 1.4-20 | -4.08114 | 8.730.33 | 10270.0 | 0.0
2019-01-12-15 | 5.0-18 | -0.4877 | 4.3530.59 | 10360.0 | 0.0
2019-01-13-13 | 8.6-17 | 1.4865 | 3.1130.56 | 10350.0 | 0.0
2019-01-14-12 | 10.4-15 | 5.0846 | 3.7330.33 | 10270.0 | 0.0
2019-01-15-4 | 24.8-6 | 21.2937 | 4.3530.06 | 10180.6 | 0.02
2019-01-16-8 | 17.6-10 | 14.08220 | 12.4329.97 | 10151.1 | 0.04
2019-01-17-17 | 1.4-20 | -4.0839 | 5.5930.39 | 10290.0 | 0.0
2019-01-18-9 | 15.8-13 | 8.68811 | 6.8430.09 | 10191.7 | 0.07
2019-01-19-20 | -4.0-22 | -7.68310 | 6.2130.42 | 10301.0 | 0.04
2019-01-20-17 | 1.4-19 | -2.29019 | 11.8129.94 | 101417.6 | 0.69
2019-01-21-20 | -4.0-23 | -9.47922 | 13.6730.24 | 10241.1 | 0.04
2019-01-22-17 | 1.4-20 | -4.08512 | 7.4630.56 | 10350.0 | 0.0
2019-01-23-2 | 28.4-4 | 24.89713 | 8.0829.94 | 101436.0 | 1.42
2019-01-24-1 | 30.2-2 | 28.49414 | 8.729.56 | 100121.4 | 0.84
2019-01-25-9 | 15.8-13 | 8.68413 | 8.0829.85 | 10112.0 | 0.08
2019-01-26-15 | 5.0-18 | -0.4887 | 4.3530.21 | 10230.9 | 0.04
2019-01-27-7 | 19.4-12 | 10.48518 | 11.1829.91 | 10138.7 | 0.34
2019-01-28-22 | -7.6-25 | -13.07910 | 6.2130.24 | 10240.0 | 0.0
2019-01-29-9 | 15.8-13 | 8.68818 | 11.1829.83 | 101010.6 | 0.42
2019-01-30-16 | 3.2-19 | -2.26517 | 10.5629.77 | 10080.6 | 0.02
2019-01-31-19 | -2.2-24 | -11.26219 | 11.8130.0 | 10160.2 | 0.01

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