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Niamey vs Port-Gentil Climate & Distance Between

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  • The distance between Niamey, Niger and Port-Gentil, Gabon is approximately 1,736 km or 1,079 mi.
  • To reach Niamey in this distance one would set out from Port-Gentil bearing 335.5° or NNW and follow the great circles arc to approach Niamey bearing 334.8° or NNW .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Port-Gentil has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • The average annual temperature is 3.3 °C (5.9°F) warmer.
  • Average monthly temperatures vary by 5.9 °C (10.6°F) more in Niamey. The continentality subtype is barely hyperoceanic as opposed to truly hyperoceanic.
  • Total annual precipitation averages 1412.4 mm (55.6 in) less which is equivalent to 1412.4 l/m² (34.66 US gal/ft²) or 14,124,000 l/ha (1,509,949 US gal/ac) less. About 2/7 as much.
  • The altitude of the sun at midday is overall 2.2° lower in Niamey than in Port-Gentil.
  • Relative humidity levels are 51.7% lower.
  • The mean dew point temperature is 14.6°C (26.3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) 3 (+5) 6 (+10) +9 (+16) +11 (+20) +11 (+20) +11 (+19) +8 (+15) +6 (+10) +7 (+12) +10 (+17) +8 (+14) 4 (+8) +8 (+14)
average temperature iconAverage Temperature °C ( °F) -3 (-5) 0 (0) +4 (+6) +7 (+12) +7 (+13) +7 (+13) +6 (+10) +3 (+6) +4 (+6) +5 (+9) +2 (+3) -2 (-3) +3 (+6)
minimum temperature iconAverage Min Temperature °C ( °F) -8 (-15) -5 (-10) -1 (-3) +2 (+4) +4 (+6) +4 (+7) +3 (+5) +1 (+2) +1 (+1) +1 (+1) -4 (-7) -7 (-13) -1 (-2)
rainfall iconAverage Precipitation mm (in) -248 (-10) -178 (-7) -263 (-10) -294 (-12) -116 (-5) +57 (+2) +151 (+6) +166 (+7) +60 (+2) -170 (-7) -352 (-14) -227 (-9) -1412 (-56)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 44' -0h 27' -0h 05' +0h 19' +0h 39' +0h 49' +0h 44' +0h 27' +0h 04' -0h 19' -0h 39' -0h 49'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -14.1 -13.8 -11.2 +11 +14.1 +14.1 +14.1 +11.2 -10.8 -13.7 -14 -14.2   -2.2
relative humidity iconRelative Humidity (%) -72 -72 -72 -66 -50 -40 -27 -14 -22 -44 -69 -73   -51.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -30.1 (-54) -28.4 (-51) -26.8 (-48) -18 (-32) -7.5 (-14) -3.7 (-7) -1.1 (-2) +0 (+0) -1.6 (-3) -7.4 (-13) -23 (-41) -28 (-50) -14.6 (-26)

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Niamey vs Port-Gentil Discussion

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