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Niamey vs Saint Louis, Missouri Climate & Distance Between

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  • The distance between Niamey, Niger and Saint Louis, Missouri, Usa is approximately 9,291 km or 5,774 mi.
  • To reach Niamey in this distance one would set out from Saint Louis, Missouri bearing 77.9° or ENE and follow the great circles arc to approach Niamey bearing 128.4° or SE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Saint Louis, Missouri has a humid subtropical climate (Cfa).
  • Niamey is in or near the tropical very dry forest biome whereas Saint Louis, Missouri is in or near the cool temperate moist forest biome.
  • The average temperature is 16.3 °C (29.4°F) warmer.
  • Average monthly temperatures vary by 15.8 °C (28.4°F) less in Niamey. The continentality subtype is barely hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 359.2 mm (14.1 in) less which is equivalent to 359.2 l/m² (8.82 US gal/ft²) or 3,592,000 l/ha (384,009 US gal/ac) less. About 3/5 as much.
  • There are 345 more hours of sunlight per year in Niamey. In whichever way circa 0h 57' more per day or about 1 1/8 as many.
  • The altitude of the sun at midday is overall 21.1° higher in Niamey than in Saint Louis, Missouri.
  • Relative humidity levels are 23.3% lower.
  • The mean dew point temperature is 4.1°C (7.4°F) higher.

Climate Comparison Table

The table shows values for Niamey relative to Saint Louis, Missouri. You can also view this comparison the other way around from the perspective of Saint Louis, Missouri vs Niamey.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage 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 iconAverage 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)
minimum temperature iconAverage 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)
rainfall iconAverage 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)
rain days iconNumber 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)
sunshine iconAverage 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'
daylight iconAverage 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 iconSun 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 iconRelative Humidity (%) -54 -49 -45 -34 -18 -9 +5 +16 +9 -11 -40 -50   -23.3
dewpoint temperature iconAverage 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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Niamey vs Saint Louis, Missouri Discussion

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