Vs > San Francisco, California
 | Vientiane vs San Francisco, California Climate & Distance Between |  |
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- The distance between Vientiane, Laos and San Francisco, California, Usa is approximately 12,253 km or 7,614 mi.
- To reach Vientiane in this distance one would set out from San Francisco, California bearing 314.3° or NW
 and follow the great circles arc to approach Vientiane bearing 216.6° or SW .
- Vientiane has a tropical wet and dry/ savanna climate with dry winters (Aw) whereas San Francisco, California has a Mediterranean warm climate (Csb).
- Vientiane is in or near the subtropical moist forest biome whereas San Francisco, California is in or near the warm temperate dry forest biome.
- The annual mean temperature is 11.9 °C (21.4°F) warmer.
- Average monthly temperatures vary by 2 °C (3.6°F) less in Vientiane. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
- Total annual precipitation averages 1148.3 mm (45.2 in) more which is equivalent to 1148.3 l/m² (28.18 US gal/ft²) or 11,483,000 l/ha (1,227,609 US gal/ac) more. About 3 2/7 as much.
- There are 617 fewer hours of sunlight per year in Vientiane. In whichever way circa 1h 41' less per day or about 4/5 as many.
- The altitude of the sun at midday is overall 17.9° higher in Vientiane than in San Francisco, California.
- Relative humidity levels are 6.9% higher.
- The mean dew point temperature is 12.9°C (23.2°F) higher.
Climate Comparison Table
The table shows values for Vientiane relative to San Francisco, California. You can also view this comparison the other way around from the perspective of San Francisco, California vs Vientiane.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+10 (+18) |
+9 (+16) |
+11 (+20) |
+11 (+20) |
+10 (+17) |
+7 (+13) |
+6 (+11) |
+5 (+10) |
+4 (+8) |
+6 (+10) |
+7 (+13) |
+9 (+16) |
|
+8 (+14) |
 | Average Temperature °C ( °F) |
+12 (+22) |
+13 (+23) |
+15 (+27) |
+15 (+28) |
+13 (+24) |
+11 (+20) |
+10 (+19) |
+10 (+17) |
+9 (+16) |
+10 (+19) |
+12 (+21) |
+12 (+22) |
|
+12 (+21) |
 | Average Min Temperature °C ( °F) |
+11 (+20) |
+12 (+21) |
+14 (+25) |
+16 (+28) |
+15 (+27) |
+14 (+24) |
+13 (+23) |
+12 (+21) |
+11 (+20) |
+12 (+22) |
+11 (+19) |
+11 (+20) |
|
+13 (+23) |
 | Average Precipitation mm (in) |
-105 (-4) |
-68 (-3) |
-42 (-2) |
+50 (+2) |
+250 (+10) |
+270 (+11) |
+265 (+10) |
+321 (+13) |
+290 (+11) |
+56 (+2) |
-63 (-2) |
-76 (-3) |
|
+1148 (+45) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-9 ( -29) |
-8 ( -28) |
-5 ( -16) |
+3 (+10) |
+13 (+42) |
+18 (+60) |
+16.5 (+53) |
+18.5 (+60) |
+14 (+47) |
+2 (+6) |
-5 ( -17) |
-10 ( -32) |
|
+48 (+13) |
 | Average Sunlight Hours/ Day |
+2h 44' |
+0h 33' |
-1h 32' |
-2h 36' |
-4h 17' |
-7h 22' |
-4h 25' |
-4h 03' |
-3h 22' |
+0h 05' |
+1h 36' |
+2h 25' |
|
-1h 41' |
 | Average Daylight Hours & Minutes/ Day |
+1h 20' |
+0h 49' |
+0h 09' |
-0h 34' |
-1h 10' |
-1h 29' |
-1h 21' |
-0h 49' |
-0h 07' |
+0h 35' |
+1h 11' |
+1h 29' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+19.4 |
+19.4 |
+19.4 |
+19.5 |
+14.9 |
+8.7 |
+14.4 |
+19.8 |
+19.8 |
+19.7 |
+19.7 |
+19.6 |
| +17.9 |
 | Relative Humidity (%) |
-5 |
-3 |
+0 |
+3 |
+12 |
+17 |
+13 |
+15 |
+17 |
+13 |
+4 |
-4 |
|
+6.8 |
 | Average Dew Point Temperature °C & (°F) |
+10.9 (+20) |
+11.6 (+21) |
+14.1 (+25) |
+15.4 (+28) |
+15.3 (+28) |
+14.5 (+26) |
+12.7 (+23) |
+12.4 (+22) |
+12.2 (+22) |
+12.8 (+23) |
+11.9 (+21) |
+10.7 (+19) |
|
+12.9 (+23) |
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Vientiane vs San Francisco, California Discussion
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