Vs > Portland, Oregon
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Niamey vs Portland, Oregon Climate & Distance Between

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  • The distance between Niamey, Niger and Portland, Oregon, Usa is approximately 11,430 km or 7,103 mi.
  • To reach Niamey in this distance one would set out from Portland, Oregon bearing 55° or NE and follow the great circles arc to approach Niamey bearing 143.9° or SE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Portland, Oregon has a Mediterranean warm climate (Csb).
  • Niamey is in or near the tropical very dry forest biome whereas Portland, Oregon is in or near the warm temperate moist forest biome.
  • The annual mean temperature is 17.3 °C (31.1°F) warmer.
  • Average monthly temperatures vary by 6.4 °C (11.5°F) less in Niamey. The continentality subtype is barely hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 381.1 mm (15 in) less which is equivalent to 381.1 l/m² (9.35 US gal/ft²) or 3,811,000 l/ha (407,421 US gal/ac) less. About 3/5 as much.
  • There are 1129 more hours of sunlight per year in Niamey. In whichever way circa 3h 06' more per day or about 1 4/7 as many.
  • The altitude of the sun at midday is overall 28° higher in Niamey than in Portland, Oregon.
  • Relative humidity levels are 37.4% lower.
  • The mean dew point temperature is 2°C (3.6°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +25 (+45) +25 (+45) +26 (+46) +25 (+45) +21 (+37) +14 (+25) +7 (+13) +6 (+11) +11 (+19) +20 (+36) +25 (+45) +26 (+46) +19 (+35)
average temperature iconAverage Temperature °C ( °F) +20 (+36) +21 (+38) +22 (+40) +23 (+42) +20 (+36) +14 (+25) +9 (+16) +8 (+14) +12 (+21) +18 (+33) +20 (+36) +20 (+37) +17 (+31)
minimum temperature iconAverage Min Temperature °C ( °F) +15 (+27) +17 (+30) +19 (+35) +21 (+38) +19 (+35) +14 (+25) +11 (+19) +9 (+17) +13 (+23) +17 (+31) +15 (+28) +15 (+27) +15 (+28)
rainfall iconAverage Precipitation mm (in) -136 (-5) -98 (-4) -87 (-3) -55 (-2) -18 (-1) +31 (+1) +138 (+5) +143 (+6) +48 (+2) -58 (-2) -135 (-5) -156 (-6) -381 (-15)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -18 ( -58) -15 ( -53) -16.5 ( -53) -11 ( -37) -6 ( -19) -3 ( -10) +6 (+19) +9 (+29) +1 (+3) -10 ( -32) -15 ( -50) -19 ( -61)   -97.5 ( -27)
sunshine iconAverage Sunlight Hours/ Day +7h 13' +6h 05' +4h 30' +2h 06' +1h 11' +1h 38' -2h 46' -1h 48' +0h 28' +5h 00' +6h 34' +7h 05'   +3h 06'
daylight iconAverage Daylight Hours & Minutes/ Day +2h 21' +1h 26' +0h 15' -0h 59' -2h 05' -2h 39' -2h 23' -1h 27' -0h 13' +1h 01' +2h 06' +2h 39'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +32 +31.8 +31.9 +31.9 +18.5 +12.2 +18.2 +32.1 +32.1 +32.1 +32.1 +32.1   +28
relative humidity iconRelative Humidity (%) -67 -65 -60 -45 -26 -18 -3 +7 -5 -36 -63 -68   -37.4
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -7 (-13) -6.7 (-12) -6.1 (-11) +2.3 (+4) +9.9 (+18) +7.7 (+14) +7.5 (+14) +8.9 (+16) +9.7 (+17) +7.2 (+13) -4 (-7) -5.6 (-10) +2 (+4)

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Niamey vs Portland, Oregon Discussion

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