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Vs > Cayenne
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Porto-Alegre vs Cayenne Climate & Distance Between

French Guiana flag
  • The distance between Porto-Alegre, Brazil and Cayenne, French Guiana is approximately 3,877 km or 2,409 mi.
  • To reach Porto-Alegre in this distance one would set out from Cayenne bearing 178.3° or S and follow the great circles arc to approach Porto-Alegre bearing 178° or S .
  • Porto-Alegre has a humid subtropical climate (Cfa) whereas Cayenne has a tropical monsoonal climate (Am).
  • Porto-Alegre is in or near the subtropical moist forest biome whereas Cayenne is in or near the subtropical wet forest biome.
  • The mean temperature is 7.3 °C (13.1°F) cooler.
  • Average monthly temperatures vary by 8.9 °C (16°F) more in Porto-Alegre. The continentality subtype is barely hyperoceanic as opposed to extremely hyperoceanic.
  • Total annual precipitation averages 2396.6 mm (94.4 in) less which is equivalent to 2396.6 l/m² (58.82 US gal/ft²) or 23,966,000 l/ha (2,562,124 US gal/ac) less. About 1/3 as much.
  • There are 219 more hours of sunlight per year in Porto-Alegre. In whichever way circa 0h 36' more per day or about 1 as many.
  • The altitude of the sun at midday is overall 15.3° lower in Porto-Alegre than in Cayenne.
  • Relative humidity levels are 0.5% lower.
  • The mean dew point temperature is 7.2°C (12.9°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) 1 (+2) 1 (+2) -1 (-1) -5 (-9) -7 (-12) -12 (-21) -11 (-20) -12 (-21) -10 (-18) -8 (-14) -4 (-8) -1 (-2) -6 (-10)
average temperature iconAverage Temperature °C ( °F) -1 (-3) -1 (-2) -3 (-5) -7 (-12) -9 (-17) -13 (-23) -13 (-23) -12 (-22) -11 (-19) -8 (-15) -6 (-10) -3 (-6) -7 (-13)
minimum temperature iconAverage Min Temperature °C ( °F) -3 (-5) -2 (-4) -4 (-7) -8 (-14) -10 (-18) -12 (-22) -12 (-22) -12 (-21) -10 (-18) -8 (-14) -6 (-11) -4 (-7) -8 (-14)
rainfall iconAverage Precipitation mm (in) -331 (-13) -314 (-12) -328 (-13) -394 (-16) -495 (-20) -324 (-13) -152 (-6) -4 (0) +108 (+4) +72 (+3) -18 (-1) -216 (-8) -2397 (-94)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -15 ( -48) -11 ( -39) -13 ( -42) -10 ( -33) -16 ( -52) -16 ( -53) -12 ( -39) -3 ( -10) +4 (+13) +5 (+16) -3 ( -10) -14 ( -45)   -104 ( -28)
sunshine iconAverage Sunlight Hours/ Day +3h 48' +3h 34' +2h 56' +2h 04' +1h 11' -0h 54' -1h 23' -1h 42' -3h 42' -1h 52' +0h 24' +2h 54'   +0h 36'
daylight iconAverage Daylight Hours & Minutes/ Day +1h 56' +1h 12' +0h 13' -0h 50' -1h 43' -2h 10' -1h 58' -1h 12' -0h 11' +0h 52' +1h 44' +2h 10'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +14.3 -4.2 -25.6 -34.9 -34.9 -34.8 -34.8 -34.8 -26 -3.4 +14.6 +21.7   -15.3
relative humidity iconRelative Humidity (%) -9 -4 -5 -4 -2 +3 +6 +8 +9 +5 -3 -10   -0.5
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -3.3 (-6) -2.1 (-4) -3.9 (-7) -7.6 (-14) -9.4 (-17) -11.7 (-21) -10.9 (-20) -10.1 (-18) -8.4 (-15) -6.8 (-12) -6.2 (-11) -5.4 (-10) -7.2 (-13)

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Porto-Alegre vs Cayenne Discussion

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