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N’Djamena vs Semnan Climate & Distance Between

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  • The distance between N’Djamena, Chad and Semnan, Iran is approximately 4,647 km or 2,888 mi.
  • To reach N’Djamena in this distance one would set out from Semnan bearing 245.6° or WSW and follow the great circles arc to approach N’Djamena bearing 229.3° or SW .
  • N’Djamena has a subtropical hot steppe climate (BSh) whereas Semnan has a subtropical hot desert climate (BWh).
  • N’Djamena 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 9.9 °C (17.8°F) warmer.
  • Average monthly temperatures vary by 19.1 °C (34.4°F) less in N’Djamena. The continentality subtype is barely hyperoceanic as opposed to truly continental.
  • Total annual precipitation averages 370.3 mm (14.6 in) more which is equivalent to 370.3 l/m² (9.09 US gal/ft²) or 3,703,000 l/ha (395,875 US gal/ac) more. About 3 2/3 as much.
  • The altitude of the sun at midday is overall 18.5° higher in N’Djamena than in Semnan.
  • Relative humidity levels are 1.6% higher.
  • The mean dew point temperature is 9°C (16.3°F) higher.

Climate Comparison Table

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

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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N’Djamena vs Semnan Discussion

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