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Vs > N’Djamena
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Semnan vs N’Djamena Climate & Distance Between

Chad flag
  • The distance between Semnan, Iran and N’Djamena, Chad is approximately 4,647 km or 2,888 mi.
  • To reach Semnan in this distance one would set out from N’Djamena bearing 49.3° or NE and follow the great circles arc to approach Semnan bearing 65.6° or ENE .
  • Semnan has a subtropical hot desert climate (BWh) whereas N’Djamena has a subtropical hot steppe climate (BSh).
  • Semnan is in or near the cool temperate moist forest biome whereas N’Djamena is in or near the tropical very dry forest biome.
  • The annual mean temperature is 9.9 °C (17.8°F) cooler.
  • Average monthly temperatures vary by 19.1 °C (34.4°F) more in Semnan. The continentality subtype is truly continental as opposed to barely hyperoceanic.
  • Total annual precipitation averages 370.3 mm (14.6 in) less which is equivalent to 370.3 l/m² (9.09 US gal/ft²) or 3,703,000 l/ha (395,875 US gal/ac) less. About 2/7 as much.
  • The altitude of the sun at midday is overall 18.5° lower in Semnan than in N’Djamena.
  • Relative humidity levels are 1.6% lower.
  • The mean dew point temperature is 9°C (16.3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) -20 (-36) -20 (-36) -18 (-33) -15 (-26) -9 (-16) -1 (-2) +4 (+7) +4 (+7) -1 (-3) -10 (-18) -15 (-26) -18 (-33) -10 (-18)
rainfall iconAverage Precipitation mm (in) +22 (+1) +21 (+1) +22 (+1) +3 (+0) -11 (0) -47 (-2) -142 (-6) -171 (-7) -83 (-3) -13 (-1) +9 (+0) +20 (+1) -370 (-15)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 29' -0h 55' -0h 10' +0h 38' +1h 18' +1h 39' +1h 30' +0h 55' +0h 08' -0h 39' -1h 19' -1h 39'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -23.4 -23.3 -23.4 -23.3 -7.3 -0.9 -6.8 -22.7 -23.3 -23.2 -23.3 -23.4   -18.5
relative humidity iconRelative Humidity (%) +34 +33 +27 +10 -4 -24 -40 -47 -42 -10 +15 +29   -1.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -6.8 (-12) -5.1 (-9) -4.3 (-8) -8.2 (-15) -9.5 (-17) -10.6 (-19) -10.4 (-19) -11.6 (-21) -14.9 (-27) -12.3 (-22) -7.6 (-14) -7.1 (-13) -9 (-16)

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Semnan vs N’Djamena Discussion

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