Vs > Port Moresby
 | Vientiane vs Port Moresby Climate & Distance Between |  |
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- The distance between Vientiane, Laos and Port Moresby, Papua New Guinea is approximately 5,770 km or 3,586 mi.
- To reach Vientiane in this distance one would set out from Port Moresby bearing 301.8° or WNW
 and follow the great circles arc to approach Vientiane bearing 298.2° or WNW .
- Both have a tropical wet and dry/ savanna climate with dry winters (Aw).
- Vientiane is in or near the subtropical moist forest biome whereas Port Moresby is in or near the tropical dry forest biome.
- The annual average temperature is 1.1 °C (2°F) cooler.
- Average monthly temperatures vary by 4.8 °C (8.6°F) more in Vientiane. The continentality subtype is truly hyperoceanic as opposed to extremely hyperoceanic.
- Total annual precipitation averages 498.7 mm (19.6 in) more which is equivalent to 498.7 l/m² (12.24 US gal/ft²) or 4,987,000 l/ha (533,143 US gal/ac) more. About 1 3/7 as much.
- There are 69 fewer hours of sunlight per year in Vientiane. In whichever way circa 0h 10' less per day or about 1 as many.
- The altitude of the sun at midday is overall 2.7° lower in Vientiane than in Port Moresby.
- Relative humidity levels are 1.7% lower.
- The mean dew point temperature is 1.5°C (2.7°F) lower.
Climate Comparison Table
The table shows values for Vientiane relative to Port Moresby. You can also view this comparison the other way around from the perspective of Port Moresby vs Vientiane.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Temperature °C ( °F) |
-6 (-11) |
-3 (-5) |
0 (-1) |
+2 (+3) |
+1 (+1) |
+2 (+3) |
+2 (+3) |
+1 (+2) |
0 (0) |
-1 (-1) |
-4 (-7) |
-6 (-11) |
|
-1 (-2) |
 | Average Precipitation mm (in) |
-144 (-6) |
-182 (-7) |
-134 (-5) |
-88 (-3) |
+206 (+8) |
+242 (+10) |
+254 (+10) |
+286 (+11) |
+242 (+10) |
+67 (+3) |
-87 (-3) |
-161 (-6) |
|
+499 (+20) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-6 ( -19) |
-5 ( -18) |
-5 ( -16) |
+4 (+13) |
+14 (+45) |
+16 (+53) |
+15 (+48) |
+17 (+55) |
+13 (+43) |
+4 (+13) |
-1 ( -3) |
-6 ( -19) |
|
+60 (+16) |
 | Average Sunlight Hours/ Day |
+2h 05' |
+2h 01' |
+0h 54' |
-0h 06' |
-0h 54' |
-3h 12' |
-1h 42' |
-2h 34' |
-0h 54' |
+1h 00' |
-0h 06' |
+1h 17' |
|
-0h 10' |
 | Average Daylight Hours & Minutes/ Day |
-1h 25' |
-0h 53' |
-0h 09' |
+0h 37' |
+1h 16' |
+1h 35' |
+1h 27' |
+0h 53' |
+0h 08' |
-0h 38' |
-1h 17' |
-1h 35' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-27.2 |
-25.1 |
-8 |
+15.1 |
+27.2 |
+27.4 |
+27.1 |
+15.7 |
-7 |
-24.9 |
-27 |
-27.4 |
| -2.7 |
 | Relative Humidity (%) |
-6 |
-10 |
-12 |
-12 |
-8 |
+4 |
+6 |
+10 |
+10 |
+2 |
-1 |
-4 |
|
-1.8 |
 | Average Dew Point Temperature °C & (°F) |
-7.4 (-13) |
-5.1 (-9) |
-3 (-5) |
-1.2 (-2) |
-1 (-2) |
+2.4 (+4) |
+2.7 (+5) |
+3.3 (+6) |
+2.2 (+4) |
-0.1 (0) |
-3.8 (-7) |
-6.9 (-12) |
|
-1.5 (-3) |
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Vientiane vs Port Moresby Discussion
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