Vs > Roanoke, Virginia
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Ottawa, Ontario vs Roanoke, Virginia Climate & Distance Between

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  • The distance between Ottawa, Ontario, Canada and Roanoke, Virginia, Usa is approximately 959 km or 596 mi.
  • To reach Ottawa, Ontario in this distance one would set out from Roanoke, Virginia bearing 20.6° or NNE and follow the great circles arc to approach Ottawa, Ontario bearing 23.5° or NNE .
  • Ottawa, Ontario has a warm summer continental/ hemiboreal climate with no dry season (Dfb) whereas Roanoke, Virginia has a humid subtropical climate (Cfa).
  • Ottawa, Ontario is in or near the cool temperate moist forest biome whereas Roanoke, Virginia is in or near the warm temperate moist forest biome.
  • The annual mean temperature is 7.2 °C (13°F) cooler.
  • Average monthly temperatures vary by 8.7 °C (15.7°F) more in Ottawa, Ontario. The continentality subtype is truly continental as opposed to subcontinental.
  • Total annual precipitation averages 175.1 mm (6.9 in) less which is equivalent to 175.1 l/m² (4.3 US gal/ft²) or 1,751,000 l/ha (187,194 US gal/ac) less. About 5/6 as much.
  • The altitude of the sun at midday is overall 8° lower in Ottawa, Ontario than in Roanoke, Virginia.
  • Relative humidity levels are 12.1% higher.
  • The mean dew point temperature is 4°C (7.2°F) lower.

Climate Comparison Table

The table shows values for Ottawa, Ontario relative to Roanoke, Virginia. You can also view this comparison the other way around from the perspective of Roanoke, Virginia vs Ottawa, Ontario.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -13 (-23) -13 (-23) -13 (-23) -9 (-16) -6 (-10) -5 (-8) -4 (-7) -5 (-9) -6 (-11) -7 (-13) -10 (-17) -12 (-22) -9 (-15)
average temperature iconAverage Temperature °C ( °F) -12 (-22) -12 (-22) -11 (-19) -7 (-13) -5 (-9) -4 (-7) -3 (-6) -4 (-8) -5 (-9) -5 (-10) -7 (-13) -11 (-19) -7 (-13)
minimum temperature iconAverage Min Temperature °C ( °F) -11 (-20) -11 (-20) -9 (-17) -6 (-10) -4 (-7) -3 (-6) -3 (-5) -4 (-6) -4 (-8) -3 (-6) -5 (-8) -9 (-17) -6 (-11)
rainfall iconAverage Precipitation mm (in) -16 (-1) -28 (-1) -32 (-1) -18 (-1) -24 (-1) +3 (+0) -13 (-1) -18 (-1) -5 (0) -23 (-1) +0 (+0) -3 (0) -175 (-7)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +3 (+10) +5 (+18) +2 (+6) +2 (+7) +1 (+3) +1 (+3) -1 ( -3) -1 ( -3) +3 (+10) +5 (+16) +6 (+20) +6 (+19)   +32 (+9)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 46' -0h 27' -0h 05' +0h 19' +0h 40' +0h 52' +0h 47' +0h 28' +0h 04' -0h 19' -0h 41' -0h 52'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -7.9 -8 -8 -8 -7.9 -8 -8 -7.9 -8 -7.9 -8 -8   -8
relative humidity iconRelative Humidity (%) +20 +23 +20 +12 +3 +6 +1 +0 +5 +13 +20 +23   +12.2
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -8 (-14) -7.1 (-13) -5.1 (-9) -3 (-5) -3.5 (-6) -1.8 (-3) -2.8 (-5) -3.9 (-7) -3.4 (-6) -1.6 (-3) -1.9 (-3) -5.7 (-10) -4 (-7)

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Ottawa, Ontario vs Roanoke, Virginia Discussion

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Climate Guides for Locations near Ottawa, Ontario

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