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Vs > Semnan
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Helwan vs Semnan Climate & Distance Between

Iran flag
  • The distance between Helwan, Egypt and Semnan, Iran is approximately 2,155 km or 1,339 mi.
  • To reach Helwan in this distance one would set out from Semnan bearing 259.1° or W and follow the great circles arc to approach Helwan bearing 247.1° or WSW .
  • Both have a subtropical hot desert climate (BWh).
  • Helwan is in or near the subtropical desert biome whereas Semnan is in or near the cool temperate moist forest biome.
  • The mean temperature is 2.9 °C (5.2°F) warmer.
  • Average monthly temperatures vary by 13.9 °C (25°F) less in Helwan. The continentality subtype is truly oceanic as opposed to truly continental.
  • Total annual precipitation averages 121.5 mm (4.8 in) less which is equivalent to 121.5 l/m² (2.98 US gal/ft²) or 1,215,000 l/ha (129,892 US gal/ac) less. About 1/8 as much.
  • The altitude of the sun at midday is overall 5.7° higher in Helwan than in Semnan.
  • Relative humidity levels are 11.5% higher.
  • The mean dew point temperature is 6.9°C (12.4°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +9 (+17) +9 (+15) +5 (+10) +3 (+5) +1 (+1) -3 (-5) -5 (-8) -3 (-6) -1 (-2) +4 (+7) +7 (+12) +9 (+15) +3 (+5)
rainfall iconAverage Precipitation mm (in) -17 (-1) -18 (-1) -21 (-1) -13 (-1) -15 (-1) -3 (0) -2 (0) -3 (0) -1 (0) -8 (0) -7 (0) -15 (-1) -122 (-5)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 25' +0h 15' +0h 02' -0h 10' -0h 22' -0h 28' -0h 25' -0h 15' -0h 02' +0h 11' +0h 22' +0h 28'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +5.7 +5.7 +5.8 +5.7 +5.7 +5.8 +5.7 +5.7 +5.7 +5.6 +5.7 +5.7   +5.7
relative humidity iconRelative Humidity (%) -1 +1 +6 +5 +6 +17 +24 +27 +26 +16 +10 +1   +11.5
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +8.4 (+15) +8 (+14) +6.6 (+12) +4.5 (+8) +3 (+5) +5 (+9) +5.6 (+10) +7.2 (+13) +8.6 (+15) +8.6 (+15) +8.8 (+16) +8.1 (+15) +6.9 (+12)

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Helwan vs Semnan Discussion

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