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Niamey vs Philadelphia, Pennsylvania Climate & Distance Between

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  • The distance between Niamey, Niger and Philadelphia, Pennsylvania, Usa is approximately 7,986 km or 4,962 mi.
  • To reach Niamey in this distance one would set out from Philadelphia, Pennsylvania bearing 87.4° or E and follow the great circles arc to approach Niamey bearing 128° or SE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Philadelphia, Pennsylvania has a humid subtropical climate (Cfa).
  • Niamey is in or near the tropical very dry forest biome whereas Philadelphia, Pennsylvania is in or near the warm temperate moist forest biome.
  • The annual mean temperature is 16.9 °C (30.4°F) warmer.
  • Average monthly temperatures vary by 16 °C (28.8°F) less in Niamey. The continentality subtype is barely hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 511 mm (20.1 in) less which is equivalent to 511 l/m² (12.54 US gal/ft²) or 5,110,000 l/ha (546,293 US gal/ac) less. About 1/2 as much.
  • There are 469 more hours of sunlight per year in Niamey. In whichever way circa 1h 17' more per day or about 1 1/6 as many.
  • The altitude of the sun at midday is overall 22.3° higher in Niamey than in Philadelphia, Pennsylvania.
  • Relative humidity levels are 22.3% lower.
  • The mean dew point temperature is 4.8°C (8.6°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +29 (+53) +31 (+55) +28 (+51) +24 (+43) +17 (+31) +10 (+17) +4 (+7) +4 (+7) +9 (+16) +19 (+34) +23 (+42) +27 (+49) +19 (+34)
average temperature iconAverage Temperature °C ( °F) +25 (+45) +27 (+48) +25 (+45) +23 (+41) +17 (+30) +9 (+17) +4 (+8) +4 (+7) +9 (+16) +17 (+31) +20 (+36) +23 (+41) +17 (+30)
minimum temperature iconAverage Min Temperature °C ( °F) +21 (+38) +23 (+41) +22 (+40) +21 (+38) +16 (+29) +9 (+16) +5 (+8) +4 (+7) +9 (+16) +16 (+29) +16 (+30) +19 (+34) +15 (+27)
rainfall iconAverage Precipitation mm (in) -82 (-3) -71 (-3) -84 (-3) -86 (-3) -61 (-2) -26 (-1) +46 (+2) +74 (+3) +5 (+0) -57 (-2) -84 (-3) -86 (-3) -511 (-20)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -12 ( -39) -9 ( -32) -11.5 ( -37) -10 ( -33) -7 ( -23) -4 ( -13) -1 ( -3) +3 (+10) -2 ( -7) -6 ( -19) -9 ( -30) -10 ( -32)   -78.5 ( -22)
sunshine iconAverage Sunlight Hours/ Day +4h 17' +3h 30' +1h 44' +0h 48' -0h 07' -1h 48' -1h 56' -1h 46' -0h 08' +2h 27' +4h 16' +4h 15'   +1h 17'
daylight iconAverage Daylight Hours & Minutes/ Day +1h 46' +1h 05' +0h 12' -0h 45' -1h 34' -1h 59' -1h 48' -1h 06' -0h 10' +0h 47' +1h 35' +1h 59'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +26.3 +26.2 +26.2 +26.3 +12.8 +6.4 +12.4 +26.3 +26.4 +26.3 +26.3 +26.4   +22.3
relative humidity iconRelative Humidity (%) -49 -45 -42 -31 -16 -9 +3 +13 +5 -13 -39 -45   -22.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +0.6 (+1) +2.2 (+4) +0.1 (+0) +5.2 (+9) +9.4 (+17) +5.7 (+10) +4.7 (+8) +6.8 (+12) +9.7 (+17) +11.4 (+21) +0.8 (+1) +0.7 (+1) +4.8 (+9)

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Niamey vs Philadelphia, Pennsylvania Discussion

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