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Niamey vs Porto-Alegre Climate & Distance Between

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  • The distance between Niamey, Niger and Porto-Alegre, Brazil is approximately 7,486 km or 4,652 mi.
  • To reach Niamey in this distance one would set out from Porto-Alegre bearing 57.8° or ENE and follow the great circles arc to approach Niamey bearing 48.9° or NE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Porto-Alegre has a humid subtropical climate (Cfa).
  • Niamey is in or near the tropical very dry forest biome whereas Porto-Alegre is in or near the subtropical moist forest biome.
  • The annual mean temperature is 9.8 °C (17.6°F) warmer.
  • Average monthly temperatures vary by 0.7 °C (1.3°F) less in Niamey. The continentality subtype is barely hyperoceanic for both.
  • Total annual precipitation averages 806.6 mm (31.8 in) less which is equivalent to 806.6 l/m² (19.8 US gal/ft²) or 8,066,000 l/ha (862,309 US gal/ac) less. About 2/5 as much.
  • There are 639 more hours of sunlight per year in Niamey. In whichever way circa 1h 45' more per day or about 1 1/4 as many.
  • The altitude of the sun at midday is overall 13.2° higher in Niamey than in Porto-Alegre.
  • Relative humidity levels are 43.7% lower.
  • The mean dew point temperature is 6.7°C (12°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) 2 (+4) +6 (+10) +11 (+19) +16 (+28) +18 (+33) +18 (+32) +14 (+26) +13 (+23) +13 (+23) +13 (+24) +10 (+17) +4 (+8) +11 (+21)
average temperature iconAverage Temperature °C ( °F) 0 (-1) +3 (+5) +8 (+14) +14 (+25) +17 (+31) +17 (+31) +15 (+26) +13 (+23) +12 (+22) +12 (+21) +7 (+12) +2 (+3) +10 (+18)
minimum temperature iconAverage Min Temperature °C ( °F) -4 (-8) -2 (-3) +4 (+6) +10 (+18) +15 (+26) +15 (+27) +13 (+24) +12 (+21) +11 (+19) +9 (+17) +3 (+5) -2 (-4) +7 (+12)
rainfall iconAverage Precipitation mm (in) -100 (-4) -109 (-4) -101 (-4) -80 (-3) -60 (-2) -64 (-3) +33 (+1) +31 (+1) -47 (-2) -105 (-4) -104 (-4) -101 (-4) -807 (-32)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -8 ( -26) -9 ( -32) -7.5 ( -24) -8 ( -27) -5 ( -16) -4 ( -13) 0 ( 0) +2 (+6) -3 ( -10) -8 ( -26) -8 ( -27) -7 ( -23)   -65.5 ( -18)
sunshine iconAverage Sunlight Hours/ Day +0h 36' +1h 46' +1h 09' +1h 58' +2h 40' +3h 36' +2h 21' +0h 44' +2h 36' +2h 29' +1h 18' -0h 11'   +1h 45'
daylight iconAverage Daylight Hours & Minutes/ Day -2h 24' -1h 29' -0h 16' +1h 02' +2h 07' +2h 40' +2h 26' +1h 29' +0h 14' -1h 04' -2h 09' -2h 40'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -22.9 -4.4 +17.1 +40.4 +43.5 +43.4 +43.3 +40.4 +17.6 -5 -23.1 -30.3   +13.2
relative humidity iconRelative Humidity (%) -59 -62 -64 -59 -46 -38 -25 -11 -18 -34 -54 -55   -43.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -25.1 (-45) -23.8 (-43) -21 (-38) -9.7 (-17) +2.9 (+5) +6.5 (+12) +8 (+14) +9.7 (+17) +7.6 (+14) +1.1 (+2) -15.2 (-27) -21 (-38) -6.7 (-12)

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Niamey vs Porto-Alegre Discussion

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