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Vs > Helena, Mt
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Ottawa (airport) vs Helena, Mt Climate & Distance Between

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  • The distance between Ottawa (airport), Canada and Helena, Mt, Usa is approximately 2,787 km or 1,732 mi.
  • To reach Ottawa (airport) in this distance one would set out from Helena, Mt bearing 79.5° or E and follow the great circles arc to approach Ottawa (airport) bearing 106.1° or ESE .
  • Ottawa (airport) has a warm summer continental/ hemiboreal climate with no dry season (Dfb) whereas Helena, Mt has a mid-latitude cool steppe climate (BSk).
  • Ottawa (airport) is in or near the cool temperate moist forest biome whereas Helena, Mt is in or near the cool temperate steppe biome.
  • The annual average temperature is 0.8 °C (1.4°F) cooler.
  • Average monthly temperatures vary by 4 °C (7.2°F) more in Ottawa (airport). The continentality subtype is truly continental as opposed to subcontinental.
  • Total annual precipitation averages 615.9 mm (24.2 in) more which is equivalent to 615.9 l/m² (15.12 US gal/ft²) or 6,159,000 l/ha (658,438 US gal/ac) more. About 3 as much.
  • The altitude of the sun at midday is overall 1.3° higher in Ottawa (airport) than in Helena, Mt.

Climate Comparison Table

The table shows values for Ottawa (airport) relative to Helena, Mt. You can also view this comparison the other way around from the perspective of Helena, Mt vs Ottawa (airport).

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -5 (-9) -7 (-13) -5 (-10) -3 (-5) +0 (0) +-1 (-1) +-3 (-5) -4 (-7) +-1 (-3) +-2 (-3) +-1 (-2) -3 (-6) -3 (-5)
average temperature iconAverage Temperature °C ( °F) -4 (-7) -6 (-11) -4 (-6) -1 (-1) +1 (+3) +1 (+2) +0 (+0) -1 (-1) +1 (+2) +1 (+1) +1 (+2) -2 (-3) -1 (-2)
minimum temperature iconAverage Min Temperature °C ( °F) -3 (-6) -5 (-9) -2 (-3) +1 (+2) +3 (+5) +3 (+6) +3 (+6) +3 (+5) +4 (+7) +3 (+6) +4 (+6) 0 (0) +1 (+2)
rainfall iconAverage Precipitation mm (in) +42 (+2) +48 (+2) +46 (+2) +44 (+2) +31 (+1) +29 (+1) +60 (+2) +59 (+2) +54 (+2) +60 (+2) +74 (+3) +68 (+3) +616 (+24)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 08' +0h 05' +0h 00' -0h 03' -0h 07' -0h 10' -0h 08' -0h 05' -0h 00' +0h 03' +0h 07' +0h 10'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +1.3 +1.2 +1.3 +1.3 +1.2 +1.3 +1.3 +1.4 +1.3 +1.4 +1.3 +1.3   +1.3

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Ottawa (airport) vs Helena, Mt Discussion

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