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Niamey vs Porto Climate & Distance Between

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  • The distance between Niamey, Niger and Porto , Portugal is approximately 3,247 km or 2,018 mi.
  • To reach Niamey in this distance one would set out from Porto bearing 158.1° or SSE and follow the great circles arc to approach Niamey bearing 163.2° or SSE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Porto has a Mediterranean warm climate (Csb).
  • Niamey is in or near the tropical very dry forest biome whereas Porto is in or near the warm temperate moist forest biome.
  • The annual mean temperature is 14.8 °C (26.6°F) warmer.
  • Average monthly temperatures vary by 0.9 °C (1.6°F) less in Niamey. The continentality subtype is barely hyperoceanic for both.
  • Total annual precipitation averages 726.2 mm (28.6 in) less which is equivalent to 726.2 l/m² (17.82 US gal/ft²) or 7,262,000 l/ha (776,356 US gal/ac) less. About 3/7 as much.
  • There are 415 more hours of sunlight per year in Niamey. In whichever way circa 1h 08' more per day or about 1 1/6 as many.
  • The altitude of the sun at midday is overall 23.5° higher in Niamey than in Porto .
  • Relative humidity levels are 44.5% lower.
  • The mean dew point temperature is 2°C (3.6°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +19 (+34) +21 (+39) +23 (+41) +23 (+42) +21 (+37) +15 (+26) +9 (+17) +8 (+14) +10 (+19) +17 (+30) +20 (+35) +19 (+35) +17 (+31)
average temperature iconAverage Temperature °C ( °F) +15 (+27) +17 (+31) +19 (+35) +21 (+38) +19 (+34) +13 (+24) +9 (+16) +8 (+15) +10 (+18) +15 (+26) +16 (+28) +15 (+27) +15 (+27)
minimum temperature iconAverage Min Temperature °C ( °F) +11 (+20) +13 (+24) +16 (+29) +18 (+33) +17 (+31) +12 (+22) +9 (+16) +9 (+15) +10 (+17) +13 (+23) +12 (+21) +11 (+19) +13 (+23)
rainfall iconAverage Precipitation mm (in) -171 (-7) -169 (-7) -108 (-4) -106 (-4) -54 (-2) +16 (+1) +138 (+5) +149 (+6) +28 (+1) -121 (-5) -151 (-6) -176 (-7) -726 (-29)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -18 ( -58) -15 ( -53) -16.5 ( -53) -12 ( -40) -9 ( -29) -1 ( -3) +4 (+13) +7 (+23) -3 ( -10) -13 ( -42) -18 ( -60) -18 ( -58)   -112.5 ( -31)
sunshine iconAverage Sunlight Hours/ Day +4h 29' +3h 34' +2h 36' +0h 04' -0h 34' -1h 34' -2h 58' -3h 29' -0h 20' +2h 56' +4h 28' +4h 34'   +1h 08'
daylight iconAverage Daylight Hours & Minutes/ Day +1h 53' +1h 10' +0h 12' -0h 48' -1h 40' -2h 07' -1h 55' -1h 10' -0h 11' +0h 50' +1h 41' +2h 07'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +27.6 +27.5 +27.5 +27.6 +14.1 +7.7 +13.7 +27.5 +27.5 +27.5 +27.5 +27.6   +23.5
relative humidity iconRelative Humidity (%) -69 -68 -64 -56 -39 -30 -17 -5 -16 -40 -64 -67   -44.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -12.3 (-22) -10.8 (-19) -9.8 (-18) -2.2 (-4) +5.9 (+11) +4.4 (+8) +4.4 (+8) +6.6 (+12) +5.8 (+10) +2.9 (+5) -8.5 (-15) -10.6 (-19) -2 (-4)

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Niamey vs Porto Discussion

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