Vs > Niamey
 | Saint Louis, Missouri vs Niamey Climate & Distance Between |  |
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- The distance between Saint Louis, Missouri, Usa and Niamey, Niger is approximately 9,291 km or 5,774 mi.
- To reach Saint Louis, Missouri in this distance one would set out from Niamey bearing 308.4° or NW
 and follow the great circles arc to approach Saint Louis, Missouri bearing 257.9° or WSW .
- Saint Louis, Missouri has a humid subtropical climate (Cfa) whereas Niamey has a subtropical hot steppe climate (BSh).
- Saint Louis, Missouri is in or near the cool temperate moist forest biome whereas Niamey is in or near the tropical very dry forest biome.
- The mean temperature is 16.3 °C (29.4°F) cooler.
- Average monthly temperatures vary by 15.8 °C (28.4°F) more in Saint Louis, Missouri. The continentality subtype is subcontinental as opposed to barely hyperoceanic.
- Total annual precipitation averages 359.2 mm (14.1 in) more which is equivalent to 359.2 l/m² (8.82 US gal/ft²) or 3,592,000 l/ha (384,009 US gal/ac) more. About 1 2/3 as much.
- There are 345 fewer hours of sunlight per year in Saint Louis, Missouri. In whichever way circa 0h 57' less per day or about 8/9 as many.
- The altitude of the sun at midday is overall 21.1° lower in Saint Louis, Missouri than in Niamey.
- Relative humidity levels are 23.3% higher.
- The mean dew point temperature is 4.1°C (7.4°F) lower.
Climate Comparison Table
The table shows values for Saint Louis, Missouri relative to Niamey. You can also view this comparison the other way around from the perspective of Niamey vs Saint Louis, Missouri.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-28 (-50) |
-29 (-52) |
-27 (-49) |
-22 (-39) |
-16 (-29) |
-7 (-13) |
-2 (-4) |
-2 (-4) |
-7 (-13) |
-17 (-30) |
-24 (-44) |
-27 (-49) |
|
-17 (-31) |
 | Average Temperature °C ( °F) |
-24 (-44) |
-26 (-46) |
-25 (-45) |
-21 (-37) |
-16 (-29) |
-8 (-14) |
-4 (-6) |
-3 (-5) |
-9 (-15) |
-16 (-29) |
-21 (-39) |
-24 (-42) |
|
-16 (-29) |
 | Average Min Temperature °C ( °F) |
-21 (-38) |
-23 (-41) |
-23 (-41) |
-20 (-35) |
-16 (-28) |
-9 (-16) |
-5 (-9) |
-4 (-8) |
-10 (-17) |
-16 (-29) |
-19 (-33) |
-20 (-35) |
|
-15 (-28) |
 | Average Precipitation mm (in) |
+51 (+2) |
+51 (+2) |
+75 (+3) |
+88 (+3) |
+59 (+2) |
+40 (+2) |
-70 (-3) |
-95 (-4) |
-21 (-1) |
+64 (+3) |
+65 (+3) |
+51 (+2) |
|
+359 (+14) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
+8 (+26) |
+8 (+28) |
+10.5 (+34) |
+10 (+33) |
+8 (+26) |
+4 (+13) |
-1 ( -3) |
-5 ( -16) |
0 ( 0) |
+5 (+16) |
+8 (+27) |
+8 (+26) |
|
+63.5 (+17) |
 | Average Sunlight Hours/ Day |
-4h 44' |
-3h 43' |
-1h 38' |
-0h 36' |
+0h 42' |
+1h 56' |
+2h 36' |
+2h 38' |
+1h 06' |
-1h 36' |
-3h 34' |
-4h 36' |
|
-0h 57' |
 | Average Daylight Hours & Minutes/ Day |
-1h 40' |
-1h 02' |
-0h 11' |
+0h 42' |
+1h 29' |
+1h 52' |
+1h 42' |
+1h 02' |
+0h 09' |
-0h 44' |
-1h 30' |
-1h 53' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-25.2 |
-25 |
-25.1 |
-25.1 |
-11.7 |
-5.3 |
-11.3 |
-25.2 |
-25.2 |
-25.2 |
-25.2 |
-25.3 |
| -21.1 |
 | Relative Humidity (%) |
+54 |
+49 |
+45 |
+34 |
+18 |
+9 |
-5 |
-16 |
-9 |
+11 |
+40 |
+50 |
|
+23.3 |
 | Average Dew Point Temperature °C & (°F) |
+1.1 (+2) |
-0.6 (-1) |
+0.7 (+1) |
-2.8 (-5) |
-8.1 (-15) |
-4.4 (-8) |
-4.7 (-8) |
-6.9 (-12) |
-10.5 (-19) |
-11.1 (-20) |
-1.8 (-3) |
-0.2 (0) |
|
-4.1 (-7) |
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Saint Louis, Missouri vs Niamey Discussion
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