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Vs > Vientiane
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Chennai, Tamil Nadu vs Vientiane Climate & Distance Between

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  • The distance between Chennai, Tamil Nadu, India and Vientiane, Laos is approximately 2,459 km or 1,528 mi.
  • To reach Chennai, Tamil Nadu in this distance one would set out from Vientiane bearing 260.3° or W and follow the great circles arc to approach Chennai, Tamil Nadu bearing 254.2° or WSW .
  • Chennai, Tamil Nadu has a tropical wet and dry/ savanna climate with dry summers (As) whereas Vientiane has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • Chennai, Tamil Nadu is in or near the tropical dry forest biome whereas Vientiane is in or near the subtropical moist forest biome.
  • The annual mean temperature is 2.9 °C (5.3°F) warmer.
  • Average monthly temperatures vary by 1.5 °C (2.7°F) more in Chennai, Tamil Nadu. The continentality subtype is barely hyperoceanic as opposed to truly hyperoceanic.
  • Total annual precipitation averages 107.7 mm (4.2 in) less which is equivalent to 107.7 l/m² (2.64 US gal/ft²) or 1,077,000 l/ha (115,138 US gal/ac) less. About 1 as much.
  • There are 296 more hours of sunlight per year in Chennai, Tamil Nadu. In whichever way circa 0h 49' more per day or about 1 1/8 as many.
  • The altitude of the sun at midday is overall 2.3° higher in Chennai, Tamil Nadu than in Vientiane.
  • Relative humidity levels are 5.4% lower.
  • The mean dew point temperature is 1.5°C (2.7°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +6 (+10) +7 (+12) +6 (+11) +7 (+12) +9 (+17) +9 (+16) +7 (+13) +7 (+12) +7 (+12) +5 (+9) +6 (+10) +6 (+11) +7 (+12)
average temperature iconAverage Temperature °C ( °F) +3 (+5) +2 (+4) +2 (+3) +2 (+4) +5 (+9) +5 (+8) +3 (+6) +3 (+5) +3 (+5) +2 (+3) +2 (+3) +3 (+6) +3 (+5)
minimum temperature iconAverage Min Temperature °C ( °F) +4 (+7) +3 (+5) +2 (+4) +2 (+4) +3 (+6) +2 (+4) +1 (+2) +1 (+2) +1 (+2) +1 (+2) +4 (+6) +4 (+8) +3 (+4)
rainfall iconAverage Precipitation mm (in) +21 (+1) +22 (+1) -32 (-1) -73 (-3) -216 (-8) -202 (-8) -145 (-6) -185 (-7) -134 (-5) +286 (+11) +399 (+16) +149 (+6) -108 (-4)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +1 (+3) -1 ( -4) -3 ( -10) -7 ( -23) -13 ( -42) -10 ( -33) -3 ( -10) -4 ( -13) -4 ( -13) +8 (+26) +9 (+30) +7 (+23)   -20 ( -6)
sunshine iconAverage Sunlight Hours/ Day +0h 54' +2h 11' +2h 54' +1h 54' +2h 05' +2h 30' -0h 17' +0h 29' +0h 24' -1h 21' -1h 18' -0h 34'   +0h 49'
daylight iconAverage Daylight Hours & Minutes/ Day +0h 16' +0h 10' +0h 01' -0h 07' -0h 14' -0h 18' -0h 16' -0h 10' -0h 01' +0h 07' +0h 14' +0h 18'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +5 +4.9 +4.9 +4.9 -4.8 -4.9 -4.7 +4.7 +4.9 +4.9 +4.9 +5   +2.3
relative humidity iconRelative Humidity (%) +3 +4 +4 +0 -16 -25 -18 -18 -11 -1 +6 +7   -5.4
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +3.4 (+6) +3.1 (+6) +2.6 (+5) +2.2 (+4) +1.2 (+2) -1.5 (-3) -1 (-2) -1.3 (-2) +0.2 (+0) +1.5 (+3) +3.1 (+6) +4.7 (+8) +1.5 (+3)

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Chennai, Tamil Nadu vs Vientiane Discussion

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