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Niamey vs Seattle, Washington Climate & Distance Between

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  • The distance between Niamey, Niger and Seattle, Washington, Usa is approximately 11,285 km or 7,013 mi.
  • To reach Niamey in this distance one would set out from Seattle, Washington bearing 54.9° or NE and follow the great circles arc to approach Niamey bearing 145.5° or SE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Seattle, Washington has a Mediterranean warm climate (Csb).
  • Niamey is in or near the tropical very dry forest biome whereas Seattle, Washington is in or near the cool temperate wet forest biome.
  • The average temperature is 17.8 °C (32°F) warmer.
  • Average monthly temperatures vary by 3.8 °C (6.8°F) less in Niamey. The continentality subtype is barely hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 424.6 mm (16.7 in) less which is equivalent to 424.6 l/m² (10.42 US gal/ft²) or 4,246,000 l/ha (453,926 US gal/ac) less. About 5/9 as much.
  • There are 1038 more hours of sunlight per year in Niamey. In whichever way circa 2h 51' more per day or about 1 1/2 as many.
  • The altitude of the sun at midday is overall 30° higher in Niamey than in Seattle, Washington.
  • Relative humidity levels are 37.7% lower.
  • The mean dew point temperature is 2.3°C (4.2°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +25 (+44) +25 (+46) +27 (+49) +26 (+48) +22 (+40) +16 (+29) +11 (+19) +10 (+17) +14 (+25) +22 (+40) +25 (+46) +25 (+46) +21 (+37)
average temperature iconAverage Temperature °C ( °F) +19 (+34) +21 (+37) +23 (+41) +24 (+42) +21 (+37) +15 (+27) +11 (+19) +9 (+17) +13 (+23) +19 (+34) +20 (+36) +20 (+35) +18 (+32)
minimum temperature iconAverage Min Temperature °C ( °F) +14 (+25) +16 (+28) +19 (+34) +21 (+37) +19 (+34) +14 (+25) +11 (+19) +9 (+17) +12 (+22) +16 (+29) +15 (+26) +14 (+25) +15 (+27)
rainfall iconAverage Precipitation mm (in) -136 (-5) -102 (-4) -92 (-4) -58 (-2) -12 (0) +28 (+1) +133 (+5) +140 (+6) +43 (+2) -73 (-3) -143 (-6) -152 (-6) -425 (-17)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -19 ( -61) -15 ( -53) -15.5 ( -50) -11 ( -37) -7 ( -23) -3 ( -10) +4 (+13) +8 (+26) -1 ( -3) -12 ( -39) -17 ( -57) -19 ( -61)   -107.5 ( -30)
sunshine iconAverage Sunlight Hours/ Day +7h 01' +5h 46' +3h 15' +1h 30' +0h 40' +0h 36' -2h 29' -1h 32' +1h 04' +4h 48' +6h 40' +6h 58'   +2h 51'
daylight iconAverage Daylight Hours & Minutes/ Day +2h 35' +1h 35' +0h 17' -1h 05' -2h 17' -2h 55' -2h 38' -1h 35' -0h 14' +1h 07' +2h 19' +2h 55'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +34 +33.8 +33.9 +34 +20.5 +14.2 +20.2 +34.1 +34.1 +34.1 +34.1 +34.1   +30
relative humidity iconRelative Humidity (%) -66 -63 -58 -43 -25 -17 -5 +1 -10 -37 -63 -67   -37.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -7.8 (-14) -6.7 (-12) -5.4 (-10) +3.2 (+6) +10.6 (+19) +9 (+16) +8.5 (+15) +8.9 (+16) +10 (+18) +7.6 (+14) -4.1 (-7) -6.1 (-11) +2.3 (+4)

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Niamey vs Seattle, Washington Discussion

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