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Cayenne vs Rio Negro Climate & Distance Between

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  • The distance between Cayenne, French Guiana and Rio Negro, Brazil is approximately 3,451 km or 2,144 mi.
  • To reach Cayenne in this distance one would set out from Rio Negro bearing 355° or N and follow the great circles arc to approach Cayenne bearing 355.5° or N .
  • Cayenne has a tropical monsoonal climate (Am) whereas Rio Negro has a subtropical highland climate with no dry season (Cfb).
  • Cayenne is in or near the subtropical wet forest biome whereas Rio Negro is in or near the warm temperate moist forest biome.
  • The average temperature is 10.2 °C (18.3°F) warmer.
  • Average monthly temperatures vary by 6.9 °C (12.4°F) less in Cayenne. The continentality subtype is extremely hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 2324.3 mm (91.5 in) more which is equivalent to 2324.3 l/m² (57.04 US gal/ft²) or 23,243,000 l/ha (2,484,831 US gal/ac) more. About 2 2/3 as much.
  • The altitude of the sun at midday is overall 11.4° higher in Cayenne than in Rio Negro.
  • Relative humidity levels are 4.8% lower.
  • The mean dew point temperature is 8.9°C (16°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +6 (+10) +5 (+10) +7 (+12) +10 (+19) +12 (+21) +14 (+25) +15 (+26) +14 (+25) +13 (+23) +11 (+20) +9 (+16) +7 (+12) +10 (+18)
rainfall iconAverage Precipitation mm (in) +278 (+11) +252 (+10) +284 (+11) +413 (+16) +493 (+19) +364 (+14) +194 (+8) +56 (+2) -86 (-3) -103 (-4) +15 (+1) +164 (+6) +2324 (+92)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 41' -1h 03' -0h 11' +0h 43' +1h 29' +1h 52' +1h 42' +1h 03' +0h 10' -0h 45' -1h 30' -1h 52'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -18 +0.4 +21.7 +31 +30.9 +30.9 +30.9 +30.9 +22.1 -0.4 -18.2 -25.6   +11.4
relative humidity iconRelative Humidity (%) -1 -5 -3 -2 +2 -4 -6 -9 -13 -11 -4 -1   -4.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +5.3 (+10) +4.2 (+8) +6 (+11) +9.8 (+18) +12 (+22) +12.9 (+23) +13.1 (+24) +11.6 (+21) +9.3 (+17) +8.2 (+15) +7.6 (+14) +6.4 (+12) +8.9 (+16)

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Cayenne vs Rio Negro Discussion

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Climate Guides for Locations near Cayenne

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