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Niamey vs Kumejima Climate & Distance Between

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  • The distance between Niamey, Niger and Kumejima, Japan is approximately 12,573 km or 7,813 mi.
  • To reach Niamey in this distance one would set out from Kumejima bearing 299.6° or WNW and follow the great circles arc to approach Niamey bearing 233.3° or SW .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Kumejima has a humid subtropical climate (Cfa).
  • The annual mean temperature is 6.9 °C (12.4°F) warmer.
  • Average monthly temperatures vary by 2.8 °C (5°F) less in Niamey. The continentality subtype is barely hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 1635.8 mm (64.4 in) less which is equivalent to 1635.8 l/m² (40.15 US gal/ft²) or 16,358,000 l/ha (1,748,779 US gal/ac) less. About 1/4 as much.
  • The altitude of the sun at midday is overall 8.8° higher in Niamey than in Kumejima.
  • Relative humidity levels are 44.4% lower.
  • The mean dew point temperature is 9.7°C (17.4°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +14 (+25) +17 (+30) +18 (+33) +17 (+31) +14 (+25) +9 (+15) +3 (+5) 2 (+4) +5 (+8) +11 (+19) +12 (+22) +13 (+23) +11 (+20)
average temperature iconAverage Temperature °C ( °F) +8 (+15) +11 (+20) +13 (+23) +13 (+23) +10 (+18) +5 (+9) +1 (+1) 0 (0) +2 (+4) +6 (+11) +6 (+12) +7 (+13) +7 (+12)
minimum temperature iconAverage Min Temperature °C ( °F) +3 (+5) +5 (+10) +8 (+14) +8 (+14) +6 (+11) +2 (+3) -2 (-3) -2 (-4) -1 (-1) +2 (+4) +0 (+1) +1 (+3) +3 (+5)
rainfall iconAverage Precipitation mm (in) -149 (-6) -138 (-5) -170 (-7) -176 (-7) -260 (-10) -200 (-8) -8 (0) -30 (-1) -70 (-3) -163 (-6) -142 (-6) -130 (-5) -1636 (-64)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 45' +0h 28' +0h 05' -0h 19' -0h 40' -0h 50' -0h 45' -0h 28' -0h 04' +0h 20' +0h 40' +0h 50'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +12.9 +12.9 +12.9 +12.9 -0.6 -7.1 -1.1 +12.6 +12.6 +12.6 +12.7 +12.8   +8.8
relative humidity iconRelative Humidity (%) -58 -60 -64 -60 -48 -41 -26 -14 -20 -33 -54 -55   -44.4
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -16.5 (-30) -15.2 (-27) -16.3 (-29) -11 (-20) -4.3 (-8) -5.8 (-10) -5.7 (-10) -3.3 (-6) -2.8 (-5) -3.7 (-7) -15.4 (-28) -16 (-29) -9.7 (-17)

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Niamey vs Kumejima Discussion

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