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Arak vs Vientiane Climate & Distance Between

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  • The distance between Arak, Iran and Vientiane, Laos is approximately 5,506 km or 3,421 mi.
  • To reach Arak in this distance one would set out from Vientiane bearing 299.8° or WNW and follow the great circles arc to approach Arak bearing 275.1° or W .
  • Arak has a Mediterranean hot climate (Csa) whereas Vientiane has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • Arak is in or near the warm temperate thorn steppe biome whereas Vientiane is in or near the subtropical moist forest biome.
  • The average annual temperature is 12.3 °C (22.1°F) cooler.
  • Average monthly temperatures vary by 22 °C (39.6°F) more in Arak. The continentality subtype is truly continental as opposed to truly hyperoceanic.
  • Total annual precipitation averages 1303 mm (51.3 in) less which is equivalent to 1303 l/m² (31.98 US gal/ft²) or 13,030,000 l/ha (1,392,993 US gal/ac) less. About 1/5 as much.
  • The altitude of the sun at midday is overall 14.4° lower in Arak than in Vientiane.
  • Relative humidity levels are 29.2% lower.
  • The mean dew point temperature is 19.9°C (35.8°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) -23 (-41) -23 (-41) -19 (-35) -15 (-28) -9 (-17) -3 (-6) 0 (0) -1 (-2) -5 (-9) -11 (-20) -16 (-29) -20 (-35) -12 (-22)
rainfall iconAverage Precipitation mm (in) +49 (+2) +35 (+1) +18 (+1) -31 (-1) -223 (-9) -272 (-11) -265 (-10) -321 (-13) -294 (-12) -69 (-3) +22 (+1) +48 (+2) -1303 (-51)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 02' -0h 38' -0h 07' +0h 26' +0h 55' +1h 10' +1h 03' +0h 38' +0h 06' -0h 27' -0h 56' -1h 10'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -16 -16 -16 -16.1 -11.5 -5.1 -10.8 -16.1 -16.1 -16 -16.1 -16.1   -14.4
relative humidity iconRelative Humidity (%) +2 -1 -11 -23 -38 -54 -55 -57 -56 -38 -16 -3   -29.2
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -21.2 (-38) -21.6 (-39) -20.8 (-37) -20.5 (-37) -18.9 (-34) -19.6 (-35) -17.2 (-31) -18.5 (-33) -21.8 (-39) -20.6 (-37) -19.1 (-34) -19.1 (-34) -19.9 (-36)

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