Vs > Kolkata/ Calcutta
 | Vientiane vs Kolkata/ Calcutta Climate & Distance Between |  |
- The distance between Vientiane, Laos and Kolkata/ Calcutta, India is approximately 1,569 km or 975 mi.
- To reach Vientiane in this distance one would set out from Kolkata/ Calcutta bearing 106.4° or ESE
 and follow the great circles arc to approach Vientiane bearing 111.3° or ESE .
- Both have a tropical wet and dry/ savanna climate with dry winters (Aw).
- Both are in or near the subtropical moist forest biome.
- The average annual temperature is 1 °C (1.9°F) cooler.
- Average monthly temperatures vary by 3.8 °C (6.8°F) less in Vientiane. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
- Total annual precipitation averages 151.3 mm (6 in) less which is equivalent to 151.3 l/m² (3.71 US gal/ft²) or 1,513,000 l/ha (161,750 US gal/ac) less. About 1 as much.
- There are 189 fewer hours of sunlight per year in Vientiane. In whichever way circa 0h 31' less per day or about 1 as many.
- The altitude of the sun at midday is overall 3° higher in Vientiane than in Kolkata/ Calcutta.
- Relative humidity levels are 4.4% higher.
- The mean dew point temperature is 0°C (0°F) lower.
Climate Comparison Table
The table shows values for Vientiane relative to Kolkata/ Calcutta. You can also view this comparison the other way around from the perspective of Kolkata/ Calcutta vs Vientiane.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+-3 (-6) |
+-5 (-9) |
-6 (-12) |
-6 (-11) |
-7 (-12) |
-6 (-10) |
-4 (-8) |
-4 (-8) |
-5 (-9) |
-5 (-10) |
-6 (-12) |
+-5 (-8) |
|
-5 (-9) |
 | Average Temperature °C ( °F) |
+2 (+3) |
+1 (+2) |
-1 (-2) |
-2 (-3) |
-3 (-5) |
-3 (-5) |
-2 (-3) |
-2 (-3) |
-2 (-4) |
-2 (-3) |
-1 (-1) |
+1 (+2) |
|
-1 (-2) |
 | Average Min Temperature °C ( °F) |
+3 (+5) |
+2 (+3) |
0 (0) |
-1 (-2) |
-1 (-3) |
-2 (-3) |
-1 (-2) |
-1 (-3) |
-2 (-3) |
-1 (-1) |
0 (-1) |
+3 (+5) |
|
0 (0) |
 | Average Precipitation mm (in) |
-5 (0) |
-18 (-1) |
+1 (+0) |
+25 (+1) |
+113 (+4) |
-15 (-1) |
-145 (-6) |
-27 (-1) |
+7 (+0) |
-56 (-2) |
-16 (-1) |
-14 (-1) |
|
-151 (-6) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
+1 (+3) |
-1 ( -4) |
0 ( 0) |
+4 (+13) |
+6 (+19) |
+2 (+7) |
-6 ( -19) |
-5 ( -16) |
-5 ( -17) |
-6 ( -19) |
0 ( 0) |
-1 ( -3) |
|
-11 ( -3) |
 | Average Sunlight Hours/ Day |
-1h 00' |
-1h 31' |
-1h 42' |
-2h 00' |
-2h 25' |
-0h 54' |
+0h 54' |
+0h 48' |
+0h 42' |
+1h 15' |
-0h 00' |
-0h 25' |
|
-0h 31' |
 | Average Daylight Hours & Minutes/ Day |
+0h 16' |
+0h 10' |
+0h 01' |
-0h 06' |
-0h 14' |
-0h 17' |
-0h 16' |
-0h 10' |
-0h 01' |
+0h 07' |
+0h 14' |
+0h 17' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+4.5 |
+4.6 |
+4.6 |
+4.6 |
+0.1 |
-4.5 |
-0.4 |
+4.5 |
+4.6 |
+4.5 |
+4.6 |
+4.6 |
| +3 |
 | Relative Humidity (%) |
+4 |
+10 |
+8 |
+3 |
+8 |
+5 |
-1 |
+1 |
+2 |
+5 |
+5 |
+2 |
|
+4.3 |
 | Average Dew Point Temperature °C & (°F) |
+2.4 (+4) |
+3.4 (+6) |
+1.2 (+2) |
-0.8 (-1) |
-1.1 (-2) |
-1.5 (-3) |
-1.9 (-3) |
-1.6 (-3) |
-1.6 (-3) |
-0.6 (-1) |
+0.5 (+1) |
+1.3 (+2) |
|
+0 (+0) |
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Vientiane vs Kolkata/ Calcutta Discussion
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