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Vs > Helwan
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Portland, Maine vs Helwan Climate & Distance Between

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  • The distance between Portland, Maine, Usa and Helwan, Egypt is approximately 8,615 km or 5,354 mi.
  • To reach Portland, Maine in this distance one would set out from Helwan bearing 313.5° or NW and follow the great circles arc to approach Portland, Maine bearing 240.5° or WSW .
  • Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb) whereas Helwan has a subtropical hot desert climate (BWh).
  • Portland, Maine is in or near the cool temperate wet forest biome whereas Helwan is in or near the subtropical desert biome.
  • The average annual temperature is 13.9 °C (25°F) cooler.
  • Average monthly temperatures vary by 11.8 °C (21.2°F) more in Portland, Maine. The continentality subtype is subcontinental as opposed to truly oceanic.
  • Total annual precipitation averages 1108.3 mm (43.6 in) more which is equivalent to 1108.3 l/m² (27.2 US gal/ft²) or 11,083,000 l/ha (1,184,846 US gal/ac) more. About 62 4/7 as much.
  • The altitude of the sun at midday is overall 13.7° lower in Portland, Maine than in Helwan.
  • Relative humidity levels are 7.5% higher.
  • The mean dew point temperature is 10.7°C (19.3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) -19 (-35) -19 (-35) -16 (-29) -15 (-27) -13 (-23) -10 (-19) -7 (-13) -8 (-14) -11 (-19) -14 (-25) -15 (-27) -18 (-32) -14 (-25)
rainfall iconAverage Precipitation mm (in) +85 (+3) +82 (+3) +91 (+4) +103 (+4) +92 (+4) +87 (+3) +79 (+3) +73 (+3) +79 (+3) +99 (+4) +129 (+5) +111 (+4) +1108 (+44)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 09' -0h 42' -0h 07' +0h 29' +1h 01' +1h 18' +1h 10' +0h 42' +0h 06' -0h 30' -1h 02' -1h 18'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -13.7 -13.6 -13.7 -13.6 -13.7 -13.8 -13.8 -13.9 -13.9 -13.8 -13.8 -13.7   -13.7
relative humidity iconRelative Humidity (%) +2 +4 +6 +15 +17 +16 +8 +4 +5 +5 +6 +1   +7.4
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -17.2 (-31) -16.6 (-30) -13.1 (-24) -9.5 (-17) -6.8 (-12) -5 (-9) -4.7 (-8) -6.4 (-12) -8.8 (-16) -12 (-22) -12.6 (-23) -15.7 (-28) -10.7 (-19)

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Portland, Maine vs Helwan Discussion

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