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Helena, Mt vs Johannesburg Climate & Distance Between

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  • The distance between Helena, Mt, Usa and Johannesburg, South Africa is approximately 15,855 km or 9,852 mi.
  • To reach Helena, Mt in this distance one would set out from Johannesburg bearing 313.7° or NW and follow the great circles arc to approach Helena, Mt bearing 250.9° or WSW .
  • Both have a mid-latitude cool steppe climate (BSk).
  • Helena, Mt is in or near the cool temperate steppe biome whereas Johannesburg is in or near the warm temperate dry forest biome.
  • The annual average temperature is 9.6 °C (17.3°F) cooler.
  • Average monthly temperatures vary by 17.6 °C (31.7°F) more in Helena, Mt. The continentality subtype is subcontinental as opposed to barely hyperoceanic.
  • Total annual precipitation averages 248.5 mm (9.8 in) less which is equivalent to 248.5 l/m² (6.1 US gal/ft²) or 2,485,000 l/ha (265,663 US gal/ac) less. About 1/2 as much.
  • The altitude of the sun at midday is overall 19.6° lower in Helena, Mt than in Johannesburg.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -27 (-49) -22 (-40) -17 (-30) -9 (-15) 0 (-1) +7 (+13) +12 (+22) +8 (+15) -2 (-4) -10 (-19) -19 (-35) -26 (-48) -9 (-16)
average temperature iconAverage Temperature °C ( °F) -27 (-49) -23 (-41) -18 (-32) -10 (-17) -1 (-2) +6 (+11) +10 (+18) +7 (+12) -3 (-5) -11 (-20) -19 (-35) -26 (-47) -10 (-17)
minimum temperature iconAverage Min Temperature °C ( °F) -27 (-49) -23 (-41) -18 (-33) -11 (-19) -2 (-3) +5 (+9) +8 (+14) +5 (+9) -4 (-7) -12 (-22) -19 (-35) -26 (-46) -10 (-19)
rainfall iconAverage Precipitation mm (in) -109 (-4) -84 (-3) -72 (-3) -29 (-1) +32 (+1) +39 (+2) +24 (+1) +27 (+1) +2 (+0) +8 (+0) +1 (+0) -88 (-3) -249 (-10)
daylight iconAverage Daylight Hours & Minutes/ Day -4h 37' -2h 51' -0h 31' +1h 58' +4h 05' +5h 10' +4h 41' +2h 51' +0h 26' -2h 02' -4h 08' -5h 10'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -59.6 -41 -19.7 +3.4 +20 +26.4 +20.3 +3.5 -19.3 -41.8 -59.7 -67.2   -19.6

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Helena, Mt vs Johannesburg Discussion

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