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Vs > Vientiane
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Roanoke, Virginia vs Vientiane Climate & Distance Between

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  • The distance between Roanoke, Virginia, Usa and Vientiane, Laos is approximately 13,864 km or 8,615 mi.
  • To reach Roanoke, Virginia in this distance one would set out from Vientiane bearing 2.5° or N and follow the great circles arc to approach Roanoke, Virginia bearing 177.1° or S .
  • Roanoke, Virginia has a humid subtropical climate (Cfa) whereas Vientiane has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • Roanoke, Virginia is in or near the warm temperate moist forest biome whereas Vientiane is in or near the subtropical moist forest biome.
  • The mean temperature is 12.7 °C (22.8°F) cooler.
  • Average monthly temperatures vary by 16 °C (28.8°F) more in Roanoke, Virginia. The continentality subtype is subcontinental as opposed to truly hyperoceanic.
  • Total annual precipitation averages 604.1 mm (23.8 in) less which is equivalent to 604.1 l/m² (14.83 US gal/ft²) or 6,041,000 l/ha (645,823 US gal/ac) less. About 5/8 as much.
  • The altitude of the sun at midday is overall 17.6° lower in Roanoke, Virginia than in Vientiane.
  • Relative humidity levels are 24.5% lower.
  • The mean dew point temperature is 17.7°C (31.9°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -17 (-30) -16 (-28) -13 (-23) -9 (-17) -4 (-8) 0 (0) 2 (+4) 2 (+3) -2 (-3) -7 (-12) -10 (-17) -14 (-24) -7 (-13)
average temperature iconAverage Temperature °C ( °F) -20 (-37) -21 (-38) -19 (-33) -15 (-28) -10 (-18) -6 (-10) -3 (-6) -4 (-6) -7 (-13) -13 (-23) -16 (-28) -18 (-33) -13 (-23)
minimum temperature iconAverage Min Temperature °C ( °F) -20 (-37) -22 (-39) -19 (-35) -17 (-31) -13 (-24) -9 (-17) -7 (-12) -7 (-13) -10 (-19) -16 (-29) -16 (-30) -19 (-34) -15 (-26)
rainfall iconAverage Precipitation mm (in) +61 (+2) +65 (+3) +53 (+2) -2 (0) -154 (-6) -192 (-8) -166 (-7) -217 (-9) -206 (-8) +11 (+0) +71 (+3) +73 (+3) -604 (-24)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +8 (+26) +6 (+21) +6 (+19) 0 ( 0) -6 ( -19) -9 ( -30) -5 ( -16) -8 ( -26) -7 ( -23) 0 ( 0) +5 (+17) +8 (+26)   -2 ( 0)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 18' -0h 48' -0h 08' +0h 33' +1h 09' +1h 28' +1h 19' +0h 48' +0h 07' -0h 34' -1h 10' -1h 28'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -19.2 -19.1 -19.1 -19.2 -14.7 -8.4 -14.1 -19.5 -19.5 -19.4 -19.4 -19.3   -17.6
relative humidity iconRelative Humidity (%) -15 -17 -19 -25 -28 -32 -30 -30 -29 -29 -22 -18   -24.5
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -21.9 (-39) -23.2 (-42) -22 (-40) -21.2 (-38) -16.3 (-29) -13.3 (-24) -10.4 (-19) -10.5 (-19) -13.7 (-25) -19.2 (-35) -20 (-36) -20.8 (-37) -17.7 (-32)

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Roanoke, Virginia vs Vientiane Discussion

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