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Nantes vs Portland, Maine Climate & Distance Between

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  • The distance between Nantes, France and Portland, Maine, Usa is approximately 5,202 km or 3,233 mi.
  • To reach Nantes in this distance one would set out from Portland, Maine bearing 60.4° or ENE and follow the great circles arc to approach Nantes bearing 112.3° or ESE .
  • Nantes has a marine west coast climate (Cfb) whereas Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb).
  • Nantes is in or near the cool temperate moist forest biome whereas Portland, Maine is in or near the cool temperate wet forest biome.
  • The average annual temperature is 4.3 °C (7.7°F) warmer.
  • Average monthly temperatures vary by 12.5 °C (22.5°F) less in Nantes. The continentality subtype is truly oceanic as opposed to subcontinental.
  • Total annual precipitation averages 337.8 mm (13.3 in) less which is equivalent to 337.8 l/m² (8.29 US gal/ft²) or 3,378,000 l/ha (361,131 US gal/ac) less. About 5/7 as much.
  • There are 640 fewer hours of sunlight per year in Nantes. In whichever way circa 1h 45' less per day or about 3/4 as many.
  • The altitude of the sun at midday is overall 3.5° lower in Nantes than in Portland, Maine.
  • Relative humidity levels are 22.1% higher.
  • The mean dew point temperature is 8.2°C (14.8°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +9 (+16) +8 (+15) +8 (+14) +4 (+7) +2 (+3) +-1 (-1) -2 (-4) -1 (-2) +0 (+1) +1 (+2) +3 (+5) +6 (+11) +3 (+6)
average temperature iconAverage Temperature °C ( °F) +11 (+20) +10 (+19) +8 (+14) +4 (+8) +2 (+4) +0 (+0) -1 (-2) -1 (-2) +1 (+3) +3 (+5) +4 (+8) +9 (+15) +4 (+8)
minimum temperature iconAverage Min Temperature °C ( °F) +13 (+24) +12 (+22) +8 (+15) +5 (+9) +3 (+5) +1 (+1) -1 (-1) -1 (-2) +3 (+5) +5 (+8) +6 (+11) +11 (+20) +5 (+10)
rainfall iconAverage Precipitation mm (in) -3 (0) -14 (-1) -24 (-1) -54 (-2) -28 (-1) -42 (-2) -32 (-1) -28 (-1) -16 (-1) -20 (-1) -44 (-2) -32 (-1) -338 (-13)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +6 (+19) +3 (+11) +2 (+6) 0 ( 0) +1 (+3) 0 ( 0) +3 (+10) +2 (+6) +4 (+13) +6 (+19) +5 (+17) +7 (+23)   +39 (+11)
sunshine iconAverage Sunlight Hours/ Day -2h 13' -2h 24' -1h 13' -0h 20' -0h 52' -1h 20' -2h 05' -1h 52' -1h 58' -2h 09' -1h 58' -2h 34'   -1h 45'
daylight iconAverage Daylight Hours & Minutes/ Day -0h 23' -0h 14' -0h 02' +0h 09' +0h 20' +0h 26' +0h 24' +0h 14' +0h 02' -0h 09' -0h 20' -0h 26'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -3.5 -3.6 -3.5 -3.6 -3.5 -3.5 -3.4 -3.4 -3.4 -3.4 -3.4 -3.5   -3.5
relative humidity iconRelative Humidity (%) +28 +27 +22 +19 +20 +14 +14 +16 +21 +28 +27 +30   +22.2
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +15.1 (+27) +14.2 (+26) +11.2 (+20) +7.8 (+14) +6.4 (+12) +3.2 (+6) +2 (+4) +2.6 (+5) +5.8 (+10) +8.3 (+15) +8.8 (+16) +13 (+23) +8.2 (+15)

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Nantes vs Portland, Maine Discussion

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