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Nantes vs Porto Climate & Distance Between

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  • The distance between Nantes, France and Porto , Portugal is approximately 870 km or 541 mi.
  • To reach Nantes in this distance one would set out from Porto bearing 37.4° or NE and follow the great circles arc to approach Nantes bearing 42.3° or NE .
  • Nantes has a marine west coast climate (Cfb) whereas Porto has a Mediterranean warm climate (Csb).
  • Nantes is in or near the cool temperate moist forest biome whereas Porto is in or near the warm temperate moist forest biome.
  • The annual mean temperature is 2.8 °C (5.1°F) cooler.
  • Average monthly temperatures vary by 3.4 °C (6.1°F) more in Nantes. The continentality subtype is truly oceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 478.5 mm (18.8 in) less which is equivalent to 478.5 l/m² (11.74 US gal/ft²) or 4,785,000 l/ha (511,548 US gal/ac) less. About 5/8 as much.
  • There are 715 fewer hours of sunlight per year in Nantes. In whichever way circa 1h 57' less per day or about 3/4 as many.
  • The altitude of the sun at midday is overall 6° lower in Nantes than in Porto .
  • Relative humidity levels are 6.1% higher.
  • The mean dew point temperature is 1.7°C (3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -6 (-10) -5 (-10) -3 (-6) -3 (-5) -1 (-1) -1 (-1) -1 (-1) -1 (-2) -3 (-5) -5 (-9) -6 (-10) -6 (-11) -3 (-6)
average temperature iconAverage Temperature °C ( °F) -4 (-8) -5 (-8) -3 (-5) -2 (-4) -1 (-2) -1 (-2) -1 (-2) -1 (-2) -3 (-5) -4 (-8) -4 (-8) -4 (-8) -3 (-5)
minimum temperature iconAverage Min Temperature °C ( °F) -3 (-6) -4 (-7) -3 (-5) -2 (-4) -2 (-3) -2 (-3) -1 (-2) -2 (-3) -2 (-3) -3 (-6) -3 (-5) -3 (-5) -2 (-4)
rainfall iconAverage Precipitation mm (in) -84 (-3) -99 (-4) -43 (-2) -62 (-2) -25 (-1) -8 (0) +30 (+1) +23 (+1) -2 (0) -52 (-2) -65 (-3) -92 (-4) -479 (-19)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) 0 ( 0) -1 ( -4) -3 ( -10) -1 ( -3) +1 (+3) +5 (+17) +8 (+26) +6 (+19) +4 (+13) 0 ( 0) -2 ( -7) 0 ( 0)   +17 (+5)
sunshine iconAverage Sunlight Hours/ Day -2h 05' -2h 22' -0h 38' -1h 36' -1h 17' -1h 42' -2h 34' -2h 30' -2h 04' -1h 54' -2h 28' -2h 17'   -1h 57'
daylight iconAverage Daylight Hours & Minutes/ Day -0h 38' -0h 23' -0h 04' +0h 15' +0h 33' +0h 43' +0h 39' +0h 23' +0h 03' -0h 16' -0h 34' -0h 43'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -6 -6 -6 -6 -6 -6 -5.9 -6 -6 -6 -6 -6   -6
relative humidity iconRelative Humidity (%) +11 +8 +7 +3 +4 +1 +1 +3 +6 +8 +10 +11   +6.1
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -2.4 (-4) -3.1 (-6) -1.6 (-3) -1.8 (-3) -0.3 (-1) -0.9 (-2) -0.6 (-1) -0.6 (-1) -1.3 (-2) -2.6 (-5) -2.5 (-5) -2.5 (-5) -1.7 (-3)

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