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Rapid City (airport), Sd vs Helena, Mt Climate & Distance Between

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  • The distance between Rapid City (airport), Sd, Usa and Helena, Mt, Usa is approximately 743 km or 462 mi.
  • To reach Rapid City (airport), Sd in this distance one would set out from Helena, Mt bearing 109.1° or ESE and follow the great circles arc to approach Rapid City (airport), Sd bearing 115.4° or ESE .
  • Both have a mid-latitude cool steppe climate (BSk).
  • Both are in or near the cool temperate steppe biome.
  • The average annual temperature is 1.5 °C (2.7°F) warmer.
  • Average monthly temperatures vary by 0.1 °C (0.2°F) more in Rapid City (airport), Sd. The continentality subtype is subcontinental for both.
  • Total annual precipitation averages 128 mm (5 in) more which is equivalent to 128 l/m² (3.14 US gal/ft²) or 1,280,000 l/ha (136,840 US gal/ac) more. About 1 3/7 as much.
  • The altitude of the sun at midday is overall 2.5° higher in Rapid City (airport), Sd than in Helena, Mt.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +2 (+4) +1 (+1) +1 (+1) +1 (+2) +2 (+3) +1 (+2) +1 (+1) +1 (+2) +3 (+5) +2 (+4) +2 (+4) +2 (+4) +2 (+3)
average temperature iconAverage Temperature °C ( °F) +2 (+3) +0 (+0) +0 (+1) +1 (+2) +2 (+3) +2 (+3) +2 (+3) +2 (+3) +3 (+5) +2 (+4) +2 (+3) +2 (+3) +2 (+3)
minimum temperature iconAverage Min Temperature °C ( °F) +1 (+1) 0 (-1) 0 (0) +1 (+2) +2 (+3) +2 (+3) +3 (+5) +3 (+5) +3 (+5) +2 (+3) +1 (+2) +1 (+2) +1 (+2)
rainfall iconAverage Precipitation mm (in) -6 (0) +3 (+0) +8 (+0) +23 (+1) +23 (+1) +30 (+1) +24 (+1) +10 (+0) +2 (+0) +13 (+1) +2 (+0) -3 (0) +128 (+5)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 17' +0h 10' +0h 01' -0h 06' -0h 14' -0h 19' -0h 17' -0h 10' -0h 01' +0h 07' +0h 15' +0h 19'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +2.5 +2.5 +2.5 +2.6 +2.5 +2.6 +2.6 +2.6 +2.5 +2.6 +2.6 +2.5   +2.5

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Rapid City (airport), Sd vs Helena, Mt Discussion

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Climate Guides for Locations near Rapid City (airport), Sd

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