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Niamey vs Semnan Climate & Distance Between

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  • The distance between Niamey, Niger and Semnan, Iran is approximately 5,660 km or 3,517 mi.
  • To reach Niamey in this distance one would set out from Semnan bearing 257.8° or WSW and follow the great circles arc to approach Niamey bearing 234.8° or SW .
  • Niamey has a subtropical hot steppe climate (BSh) whereas Semnan has a subtropical hot desert climate (BWh).
  • Niamey is in or near the tropical very dry forest biome whereas Semnan is in or near the cool temperate moist forest biome.
  • The annual mean temperature is 10.9 °C (19.6°F) warmer.
  • Average monthly temperatures vary by 18.9 °C (34°F) less in Niamey. The continentality subtype is barely hyperoceanic as opposed to truly continental.
  • Total annual precipitation averages 401.3 mm (15.8 in) more which is equivalent to 401.3 l/m² (9.85 US gal/ft²) or 4,013,000 l/ha (429,016 US gal/ac) more. About 3 7/8 as much.
  • The altitude of the sun at midday is overall 18° higher in Niamey than in Semnan.
  • Relative humidity levels are 9.5% lower.
  • The mean dew point temperature is 4°C (7.3°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +21 (+37) +21 (+39) +19 (+35) +15 (+28) +10 (+18) +2 (+3) -3 (-6) -3 (-5) +2 (+4) +11 (+20) +16 (+28) +19 (+34) +11 (+20)
rainfall iconAverage Precipitation mm (in) -22 (-1) -21 (-1) -19 (-1) -8 (0) +20 (+1) +66 (+3) +152 (+6) +168 (+7) +91 (+4) +2 (+0) -8 (0) -20 (-1) +401 (+16)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 24' +0h 52' +0h 09' -0h 36' -1h 15' -1h 34' -1h 26' -0h 52' -0h 08' +0h 37' +1h 16' +1h 35'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +22.1 +22 +22.1 +22.1 +8.6 +2.2 +8.1 +21.9 +21.9 +21.9 +22 +22.1   +18
relative humidity iconRelative Humidity (%) -51 -44 -37 -20 +0 +16 +28 +39 +30 +1 -31 -46   -9.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -3.6 (-6) -2.1 (-4) -3.5 (-6) +2.4 (+4) +8.8 (+16) +8.5 (+15) +7.9 (+14) +10.6 (+19) +12.7 (+23) +10.4 (+19) -1 (-2) -2.7 (-5) +4 (+7)

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Niamey vs Semnan Discussion

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