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N’Djamena vs Helwan Climate & Distance Between

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  • The distance between N’Djamena, Chad and Helwan, Egypt is approximately 2,592 km or 1,611 mi.
  • To reach N’Djamena in this distance one would set out from Helwan bearing 223.9° or SW and follow the great circles arc to approach N’Djamena bearing 218° or SW .
  • N’Djamena has a subtropical hot steppe climate (BSh) whereas Helwan has a subtropical hot desert climate (BWh).
  • N’Djamena is in or near the tropical very dry forest biome whereas Helwan is in or near the subtropical desert biome.
  • The average annual temperature is 7 °C (12.6°F) warmer.
  • Average monthly temperatures vary by 5.2 °C (9.4°F) less in N’Djamena. The continentality subtype is barely hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 491.8 mm (19.4 in) more which is equivalent to 491.8 l/m² (12.07 US gal/ft²) or 4,918,000 l/ha (525,767 US gal/ac) more. About 28 1/3 as much.
  • The altitude of the sun at midday is overall 12.8° higher in N’Djamena than in Helwan.
  • Relative humidity levels are 9.9% lower.
  • The mean dew point temperature is 2.2°C (3.9°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +10 (+19) +11 (+21) +13 (+23) +12 (+21) +8 (+15) +4 (+7) +1 (+1) -1 (-1) +2 (+4) +6 (+11) +8 (+14) +10 (+18) +7 (+13)
rainfall iconAverage Precipitation mm (in) -5 (0) -3 (0) -2 (0) +9 (+0) +26 (+1) +50 (+2) +144 (+6) +174 (+7) +84 (+3) +20 (+1) -2 (0) -5 (0) +492 (+19)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 03' +0h 39' +0h 07' -0h 27' -0h 56' -1h 11' -1h 04' -0h 39' -0h 06' +0h 28' +0h 57' +1h 11'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +17.7 +17.6 +17.6 +17.6 +1.6 -4.9 +1.1 +17 +17.6 +17.6 +17.6 +17.7   +12.8
relative humidity iconRelative Humidity (%) -33 -34 -33 -15 -2 +7 +16 +20 +16 -6 -25 -30   -9.9
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -1.6 (-3) -2.9 (-5) -2.3 (-4) +3.7 (+7) +6.5 (+12) +5.6 (+10) +4.8 (+9) +4.4 (+8) +6.3 (+11) +3.7 (+7) -1.2 (-2) -1 (-2) +2.2 (+4)

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N’Djamena vs Helwan Discussion

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