Vs > Vientiane
 | Dallas, Texas vs Vientiane Climate & Distance Between |  |
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Vientiane vs Philadelphia, Pennsylvania, Usa
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- The distance between Dallas, Texas, Usa and Vientiane, Laos is approximately 14,001 km or 8,700 mi.
- To reach Dallas, Texas in this distance one would set out from Vientiane bearing 20.2° or NNE
 and follow the great circles arc to approach Dallas, Texas bearing 157° or SSE .
- Dallas, Texas has a humid subtropical climate (Cfa) whereas Vientiane has a tropical wet and dry/ savanna climate with dry winters (Aw).
- Dallas, Texas is in or near the subtropical dry forest biome whereas Vientiane is in or near the subtropical moist forest biome.
- The annual average temperature is 7.2 °C (12.9°F) cooler.
- Average monthly temperatures vary by 15.2 °C (27.4°F) more in Dallas, Texas. The continentality subtype is subcontinental as opposed to truly hyperoceanic.
- Total annual precipitation averages 769.7 mm (30.3 in) less which is equivalent to 769.7 l/m² (18.89 US gal/ft²) or 7,697,000 l/ha (822,860 US gal/ac) less. About 1/2 as much.
- There are 490 more hours of sunlight per year in Dallas, Texas. In whichever way circa 1h 19' more per day or about 1 1/5 as many.
- The altitude of the sun at midday is overall 13.2° lower in Dallas, Texas than in Vientiane.
- Relative humidity levels are 20.8% lower.
- The mean dew point temperature is 11.9°C (21.4°F) lower.
Climate Comparison Table
The table shows values for Dallas, Texas relative to Vientiane. You can also view this comparison the other way around from the perspective of Vientiane vs Dallas, Texas.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-10 (-19) |
-9 (-17) |
-8 (-15) |
-5 (-9) |
-1 (-1) |
5 (+8) |
+7 (+13) |
+7 (+13) |
4 (+6) |
-1 (-2) |
-5 (-9) |
-8 (-15) |
|
-2 (-4) |
 | Average Temperature °C ( °F) |
-14 (-26) |
-15 (-26) |
-14 (-25) |
-10 (-18) |
-5 (-9) |
0 (0) |
+2 (+4) |
+2 (+4) |
-2 (-3) |
-6 (-12) |
-11 (-20) |
-13 (-24) |
|
-7 (-13) |
 | Average Min Temperature °C ( °F) |
-15 (-26) |
-15 (-27) |
-15 (-26) |
-11 (-20) |
-8 (-14) |
-3 (-5) |
-1 (-1) |
-1 (-1) |
-4 (-7) |
-9 (-16) |
-12 (-22) |
-14 (-25) |
|
-9 (-16) |
 | Average Precipitation mm (in) |
+53 (+2) |
+53 (+2) |
+36 (+1) |
+17 (+1) |
-132 (-5) |
-191 (-8) |
-217 (-9) |
-274 (-11) |
-223 (-9) |
-18 (-1) |
+59 (+2) |
+65 (+3) |
|
-770 (-30) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
+6 (+19) |
+6 (+21) |
+3 (+10) |
-1 ( -3) |
-7 ( -23) |
-13 ( -43) |
-12 ( -39) |
-14 ( -45) |
-10 ( -33) |
-1 ( -3) |
+4 (+13) |
+7 (+23) |
|
-32 ( -9) |
 | Average Sunlight Hours/ Day |
-2h 34' |
-1h 24' |
+0h 01' |
+0h 12' |
+2h 23' |
+6h 54' |
+5h 30' |
+5h 27' |
+3h 26' |
-0h 01' |
-1h 38' |
-2h 17' |
|
+1h 19' |
 | Average Daylight Hours & Minutes/ Day |
-0h 57' |
-0h 35' |
-0h 06' |
+0h 24' |
+0h 50' |
+1h 04' |
+0h 58' |
+0h 35' |
+0h 05' |
-0h 25' |
-0h 51' |
-1h 04' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-14.7 |
-14.6 |
-14.7 |
-14.7 |
-10.2 |
-3.9 |
-9.7 |
-15 |
-15.1 |
-15 |
-14.9 |
-14.9 |
| -13.2 |
 | Relative Humidity (%) |
-8 |
-7 |
-12 |
-15 |
-22 |
-29 |
-32 |
-36 |
-33 |
-27 |
-18 |
-10 |
|
-20.8 |
 | Average Dew Point Temperature °C & (°F) |
-15.3 (-28) |
-15.3 (-28) |
-15.9 (-29) |
-13.3 (-24) |
-10.2 (-18) |
-7.2 (-13) |
-6.1 (-11) |
-7 (-13) |
-9.6 (-17) |
-12.7 (-23) |
-15 (-27) |
-14.8 (-27) |
|
-11.9 (-21) |
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Dallas, Texas vs Vientiane Discussion
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