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Vs > Portland, Oregon
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Juneau, Alaska vs Portland, Oregon Climate & Distance Between

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  • The distance between Juneau, Alaska, Usa and Portland, Oregon, Usa is approximately 1,634 km or 1,016 mi.
  • To reach Juneau, Alaska in this distance one would set out from Portland, Oregon bearing 334.6° or NNW and follow the great circles arc to approach Juneau, Alaska bearing 325.1° or NW .
  • Juneau, Alaska has a boreal subarctic climate with no dry season (Dfc) whereas Portland, Oregon has a Mediterranean warm climate (Csb).
  • Juneau, Alaska is in or near the boreal rain forest biome whereas Portland, Oregon is in or near the warm temperate moist forest biome.
  • The average temperature is 7.2 °C (13°F) cooler.
  • Average monthly temperatures vary by 1.5 °C (2.7°F) more in Juneau, Alaska. The continentality subtype is truly oceanic for both.
  • Total annual precipitation averages 457.6 mm (18 in) more which is equivalent to 457.6 l/m² (11.23 US gal/ft²) or 4,576,000 l/ha (489,205 US gal/ac) more. About 1 1/2 as much.
  • The altitude of the sun at midday is overall 12.7° lower in Juneau, Alaska than in Portland, Oregon.
  • Relative humidity levels are 1.8% higher.
  • The mean dew point temperature is 6.3°C (11.3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -9 (-16) -9 (-17) -10 (-17) -8 (-14) -7 (-12) -7 (-13) -9 (-16) -10 (-17) -10 (-19) -9 (-17) -9 (-16) -8 (-14) -9 (-16)
average temperature iconAverage Temperature °C ( °F) -9 (-15) -8 (-15) -8 (-15) -6 (-11) -6 (-10) -6 (-10) -7 (-12) -8 (-14) -8 (-14) -7 (-12) -8 (-14) -7 (-13) -7 (-13)
minimum temperature iconAverage Min Temperature °C ( °F) -8 (-15) -8 (-14) -7 (-12) -5 (-9) -5 (-8) -4 (-8) -5 (-8) -5 (-10) -5 (-9) -4 (-8) -7 (-12) -7 (-12) -6 (-10)
rainfall iconAverage Precipitation mm (in) -21 (-1) -3 (0) -7 (0) +10 (+0) +35 (+1) +42 (+2) +90 (+4) +107 (+4) +127 (+5) +131 (+5) -11 (0) -43 (-2) +458 (+18)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) 0 ( 0) +2 (+7) +1 (+3) +5 (+17) +8 (+26) +6 (+20) +14 (+45) +14 (+45) +14 (+47) +11 (+35) +5 (+17) +2 (+6)   +82 (+22)
daylight iconAverage Daylight Hours & Minutes/ Day -2h 03' -1h 10' -0h 12' +0h 47' +1h 46' +2h 23' +2h 05' +1h 10' +0h 10' -0h 49' -1h 47' -2h 23'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -12.7 -12.7 -12.7 -12.8 -12.8 -12.7 -12.7 -12.7 -12.8 -12.7 -12.7 -12.7   -12.7
relative humidity iconRelative Humidity (%) -3 -4 -4 +0 +1 +1 +8 +12 +10 +2 +1 -2   +1.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -8.4 (-15) -8.4 (-15) -7.9 (-14) -5.8 (-10) -5 (-9) -5.2 (-9) -4.5 (-8) -4.4 (-8) -5.3 (-10) -6.2 (-11) -7.1 (-13) -7.1 (-13) -6.3 (-11)

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Juneau, Alaska vs Portland, Oregon Discussion

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