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Niamey vs Iriomotejima Climate & Distance Between

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  • The distance between Niamey, Niger and Iriomotejima, Japan is approximately 12,405 km or 7,709 mi.
  • To reach Niamey in this distance one would set out from Iriomotejima bearing 297.1° or WNW and follow the great circles arc to approach Niamey bearing 236.5° or WSW .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Iriomotejima has a humid subtropical climate (Cfa).
  • The annual mean temperature is 6 °C (10.8°F) warmer.
  • Average monthly temperatures vary by 1.1 °C (2°F) less in Niamey. The continentality subtype is barely hyperoceanic for both.
  • Total annual precipitation averages 1801.9 mm (70.9 in) less which is equivalent to 1801.9 l/m² (44.22 US gal/ft²) or 18,019,000 l/ha (1,926,351 US gal/ac) less. About 1/4 as much.
  • The altitude of the sun at midday is overall 6.9° higher in Niamey than in Iriomotejima.
  • Relative humidity levels are 50.2% lower.
  • The mean dew point temperature is 11.8°C (21.2°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +12 (+22) +15 (+27) +16 (+30) +15 (+27) +12 (+22) +7 (+13) +3 (+5) 2 (+3) +4 (+8) +10 (+18) +12 (+21) +12 (+21) +10 (+18)
average temperature iconAverage Temperature °C ( °F) +7 (+12) +9 (+17) +11 (+20) +11 (+20) +9 (+16) +4 (+8) +1 (+1) 0 (0) +2 (+4) +6 (+11) +6 (+10) +6 (+11) +6 (+11)
minimum temperature iconAverage Min Temperature °C ( °F) +1 (+2) +3 (+6) +6 (+10) +7 (+12) +5 (+9) +1 (+2) -2 (-3) -2 (-4) -1 (-1) +2 (+3) 0 (-1) 0 (0) +2 (+3)
rainfall iconAverage Precipitation mm (in) -172 (-7) -161 (-6) -149 (-6) -158 (-6) -176 (-7) -127 (-5) -39 (-2) -74 (-3) -156 (-6) -213 (-8) -223 (-9) -153 (-6) -1802 (-71)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 37' +0h 23' +0h 04' -0h 16' -0h 33' -0h 42' -0h 38' -0h 23' -0h 03' +0h 16' +0h 34' +0h 42'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +11 +11 +11 +11 -2.4 -8.9 -2.9 +10.7 +10.7 +10.8 +10.8 +11   +6.9
relative humidity iconRelative Humidity (%) -66 -69 -71 -65 -51 -42 -29 -18 -25 -40 -63 -64   -50.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -19.8 (-36) -18.8 (-34) -19.2 (-35) -13.4 (-24) -6.3 (-11) -6.9 (-12) -6.3 (-11) -4 (-7) -3.8 (-7) -5.6 (-10) -17.9 (-32) -19 (-34) -11.8 (-21)

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Niamey vs Iriomotejima Discussion

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