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Helena, Mt vs Rio Negro Climate & Distance Between

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  • The distance between Helena, Mt, Usa and Rio Negro, Brazil is approximately 10,211 km or 6,345 mi.
  • To reach Helena, Mt in this distance one would set out from Rio Negro bearing 322.5° or NW and follow the great circles arc to approach Helena, Mt bearing 307.4° or NW .
  • Helena, Mt has a mid-latitude cool steppe climate (BSk) whereas Rio Negro has a subtropical highland climate with no dry season (Cfb).
  • Helena, Mt is in or near the cool temperate steppe biome whereas Rio Negro is in or near the warm temperate moist forest biome.
  • The annual average temperature is 10 °C (18°F) cooler.
  • Average monthly temperatures vary by 19.2 °C (34.6°F) more in Helena, Mt. The continentality subtype is subcontinental as opposed to barely hyperoceanic.
  • Total annual precipitation averages 1125.2 mm (44.3 in) less which is equivalent to 1125.2 l/m² (27.62 US gal/ft²) or 11,252,000 l/ha (1,202,913 US gal/ac) less. About 1/5 as much.
  • The altitude of the sun at midday is overall 19.7° lower in Helena, Mt than in Rio Negro.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) -27 (-49) -24 (-43) -18 (-33) -10 (-19) -3 (-5) +4 (+7) +8 (+15) +6 (+11) -2 (-4) -9 (-17) -19 (-33) -26 (-46) -10 (-18)
rainfall iconAverage Precipitation mm (in) -137 (-5) -160 (-6) -130 (-5) -43 (-2) -52 (-2) -45 (-2) -52 (-2) -55 (-2) -89 (-3) -129 (-5) -95 (-4) -139 (-5) -1125 (-44)
daylight iconAverage Daylight Hours & Minutes/ Day -4h 36' -2h 51' -0h 31' +1h 58' +4h 04' +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 +3.5 +20 +26.3 +20.2 +3.4 -19.4 -41.9 -59.8 -67.3   -19.7

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Helena, Mt vs Rio Negro Discussion

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Climate Guides for Locations near Helena, Mt

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