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Vs > Honolulu, Oahu
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Portland, Maine vs Honolulu, Oahu Climate & Distance Between

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  • The distance between Portland, Maine, Usa and Honolulu, Oahu, Hawaii is approximately 8,204 km or 5,098 mi.
  • To reach Portland, Maine in this distance one would set out from Honolulu, Oahu bearing 48.8° or NE and follow the great circles arc to approach Portland, Maine bearing 104.3° or ESE .
  • Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb) whereas Honolulu, Oahu has a tropical wet and dry/ savanna climate with dry summers (As).
  • The annual average temperature is 17.7 °C (31.9°F) cooler.
  • Average monthly temperatures vary by 21.8 °C (39.2°F) more in Portland, Maine. The continentality subtype is subcontinental as opposed to truly hyperoceanic.
  • Total annual precipitation averages 567 mm (22.3 in) more which is equivalent to 567 l/m² (13.92 US gal/ft²) or 5,670,000 l/ha (606,161 US gal/ac) more. About 2 as much.
  • There are 580 fewer hours of sunlight per year in Portland, Maine. In whichever way circa 1h 35' less per day or about 4/5 as many.
  • The altitude of the sun at midday is overall 21.8° lower in Portland, Maine than in Honolulu, Oahu.
  • Relative humidity levels are 0.8% higher.
  • The mean dew point temperature is 16.2°C (29.2°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -28 (-50) -26 (-47) -22 (-40) -17 (-30) -12 (-22) -8 (-14) -5 (-9) -6 (-11) -11 (-19) -16 (-28) -21 (-37) -26 (-46) -16 (-29)
average temperature iconAverage Temperature °C ( °F) -29 (-52) -28 (-50) -23 (-41) -18 (-32) -14 (-24) -9 (-17) -7 (-12) -8 (-14) -12 (-22) -17 (-31) -21 (-39) -27 (-48) -18 (-32)
minimum temperature iconAverage Min Temperature °C ( °F) -30 (-54) -29 (-52) -24 (-43) -19 (-35) -15 (-27) -11 (-20) -9 (-15) -10 (-17) -14 (-25) -19 (-34) -22 (-40) -27 (-49) -19 (-34)
rainfall iconAverage Precipitation mm (in) 0 (0) +29 (+1) +37 (+1) +65 (+3) +63 (+2) +75 (+3) +64 (+3) +62 (+2) +59 (+2) +41 (+2) +55 (+2) +19 (+1) +567 (+22)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +1 (+3) -1 ( -4) +1 (+3) +2 (+7) +4 (+13) +3 (+10) -1 ( -3) -1 ( -3) +1 (+3) -2 ( -6) +1 (+3) -1 ( -3)   +7 (+2)
sunshine iconAverage Sunlight Hours/ Day -2h 25' -2h 15' -2h 13' -1h 58' -1h 09' -0h 50' -0h 32' -1h 07' -1h 30' -1h 27' -1h 34' -2h 01'   -1h 35'
daylight iconAverage Daylight Hours & Minutes/ Day -1h 42' -1h 02' -0h 11' +0h 43' +1h 30' +1h 55' +1h 43' +1h 02' +0h 09' -0h 44' -1h 31' -1h 55'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -22.3 -22.3 -22.4 -22.3 -22.1 -18.1 -21.5 -22.2 -22.1 -22.1 -22.2 -22.2   -21.8
relative humidity iconRelative Humidity (%) +0 -1 +0 -1 +0 +3 +2 +1 +4 +0 +2 -1   +0.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -26.8 (-48) -25.6 (-46) -21 (-38) -17 (-31) -12.6 (-23) -8.1 (-15) -5.6 (-10) -7.1 (-13) -10.3 (-19) -16.2 (-29) -19.5 (-35) -24.7 (-44) -16.2 (-29)

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Portland, Maine vs Honolulu, Oahu Discussion

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