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Portland, Maine vs Adelaide, South Australia Climate & Distance Between

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  • The distance between Portland, Maine, Usa and Adelaide, South Australia, Australia is approximately 17,369 km or 10,793 mi.
  • To reach Portland, Maine in this distance one would set out from Adelaide, South Australia bearing 59.9° or ENE and follow the great circles arc to approach Portland, Maine bearing 101.6° or ESE .
  • Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb) whereas Adelaide, South Australia has a mid-latitude cool steppe climate (BSk).
  • Portland, Maine is in or near the cool temperate wet forest biome whereas Adelaide, South Australia is in or near the warm temperate dry forest biome.
  • The average annual temperature is 9 °C (16.1°F) cooler.
  • Average monthly temperatures vary by 15.6 °C (28.1°F) more in Portland, Maine. The continentality subtype is subcontinental as opposed to barely hyperoceanic.
  • Total annual precipitation averages 678.8 mm (26.7 in) more which is equivalent to 678.8 l/m (16.66 US gal/ft) or 6,788,000 l/ha (725,682 US gal/ac) more. About 2 1/2 as much.
  • There are 76 more hours of sunlight per year in Portland, Maine. In whichever way circa 0h 11' more per day or about 1 as many.
  • The altitude of the sun at midday is overall 7.9° lower in Portland, Maine than in Adelaide, South Australia.
  • Relative humidity levels are 15% higher.
  • The mean dew point temperature is 3.6°C (6.4°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -29 (-52) -27 (-49) -20 (-37) -11 (-20) -1 (-2) +7 (+12) +11 (+20) +9 (+17) +3 (+5) -6 (-11) -16 (-28) -24 (-43) -9 (-16)
average temperature iconAverage Temperature °C ( °F) -28 (-50) -27 (-48) -19 (-35) -11 (-19) -2 (-4) +5 (+9) +9 (+17) +8 (+14) +2 (+3) -7 (-12) -14 (-26) -23 (-42) -9 (-16)
minimum temperature iconAverage Min Temperature °C ( °F) -27 (-49) -26 (-47) -19 (-33) -11 (-19) -3 (-6) +4 (+7) +8 (+14) +6 (+12) +1 (+1) -7 (-13) -13 (-24) -22 (-40) -9 (-16)
rainfall iconAverage Precipitation mm (in) +71 (+3) +65 (+3) +72 (+3) +66 (+3) +35 (+1) +37 (+1) +12 (+0) +22 (+1) +38 (+1) +62 (+2) +109 (+4) +91 (+4) +679 (+27)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +8 (+26) +7 (+25) +7 (+23) +2 (+7) 0 ( 0) -3 ( -10) -6 ( -19) -6 ( -19) -3 ( -10) -2 ( -6) +3 (+10) +5 (+16)   +12 (+3)
sunshine iconAverage Sunlight Hours/ Day -5h 19' -3h 30' -1h 19' +1h 02' +3h 38' +5h 28' +5h 52' +4h 11' +1h 32' -0h 34' -3h 58' -4h 46'   +0h 11'
daylight iconAverage Daylight Hours & Minutes/ Day -4h 54' -3h 02' -0h 33' +2h 05' +4h 21' +5h 30' +4h 59' +3h 02' +0h 28' -2h 10' -4h 24' -5h 30'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () -48.3 -29.6 -8.2 +15.1 +31.7 +38.2 +32.1 +15.4 -7.4 -30 -48.3 -55.5   -7.9
relative humidity iconRelative Humidity (%) +33 +28 +23 +12 +3 -3 -3 +2 +11 +17 +28 +29   +15
dewpoint temperature iconAverage Dew Point Temperature C & (F) -15.2 (-27) -15.4 (-28) -10.4 (-19) -6.5 (-12) -1.4 (-3) +4.2 (+8) +8.1 (+15) +7.9 (+14) +4.4 (+8) -1.4 (-3) -5.1 (-9) -12 (-22) -3.6 (-6)

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Portland, Maine vs Adelaide, South Australia Discussion

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