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

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  • The distance between Portland, Maine, Usa and Hachijojima, Japan is approximately 10,948 km or 6,803 mi.
  • To reach Portland, Maine in this distance one would set out from Hachijojima bearing 21.5° or NNE and follow the great circles arc to approach Portland, Maine bearing 154.9° or SSE .
  • Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb) whereas Hachijojima has a humid subtropical climate (Cfa).
  • The annual average temperature is 10.7 °C (19.3°F) cooler.
  • Average monthly temperatures vary by 10.2 °C (18.4°F) more in Portland, Maine. The continentality subtype is subcontinental as opposed to truly oceanic.
  • Total annual precipitation averages 1947.1 mm (76.7 in) less which is equivalent to 1947.1 l/m² (47.79 US gal/ft²) or 19,471,000 l/ha (2,081,579 US gal/ac) less. About 3/8 as much.
  • The altitude of the sun at midday is overall 10.5° lower in Portland, Maine than in Hachijojima.
  • Relative humidity levels are 15.4% lower.
  • The mean dew point temperature is 13.2°C (23.8°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -14 (-25) -13 (-23) -10 (-18) -8 (-14) -5 (-8) -2 (-3) -2 (-3) -4 (-7) -7 (-12) -9 (-16) -12 (-21) -14 (-25) -8 (-15)
average temperature iconAverage Temperature °C ( °F) -16 (-30) -15 (-27) -12 (-21) -10 (-18) -7 (-13) -5 (-9) -5 (-9) -7 (-12) -10 (-17) -12 (-21) -13 (-24) -16 (-29) -11 (-19)
minimum temperature iconAverage Min Temperature °C ( °F) -19 (-34) -18 (-32) -14 (-24) -12 (-22) -10 (-18) -9 (-15) -9 (-15) -10 (-19) -13 (-24) -15 (-26) -15 (-28) -18 (-32) -13 (-24)
rainfall iconAverage Precipitation mm (in) -86 (-3) -95 (-4) -164 (-6) -135 (-5) -157 (-6) -263 (-10) -111 (-4) -131 (-5) -266 (-10) -358 (-14) -124 (-5) -58 (-2) -1947 (-77)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 55' -0h 33' -0h 06' +0h 23' +0h 48' +1h 02' +0h 56' +0h 33' +0h 05' -0h 23' -0h 49' -1h 02'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -10.4 -10.2 -10.3 -10.3 -10.4 -10.5 -10.6 -10.7 -10.7 -10.7 -10.6 -10.5   -10.5
relative humidity iconRelative Humidity (%) -1 -6 -10 -17 -22 -26 -28 -25 -21 -16 -8 -5   -15.4
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -15.2 (-27) -14.9 (-27) -12.5 (-23) -13 (-23) -11.9 (-21) -10.4 (-19) -10.7 (-19) -12.2 (-22) -13.9 (-25) -14.5 (-26) -14.2 (-26) -15.5 (-28) -13.2 (-24)

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Portland, Maine vs Hachijojima Discussion

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