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Rio Negro vs Freetown Climate & Distance Between

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  • The distance between Rio Negro, Brazil and Freetown, Sierra Leone is approximately 5,526 km or 3,434 mi.
  • To reach Rio Negro in this distance one would set out from Freetown bearing 224.6° or SW and follow the great circles arc to approach Rio Negro bearing 230.6° or SW .
  • Rio Negro has a subtropical highland climate with no dry season (Cfb) whereas Freetown has a tropical monsoonal climate (Am).
  • The average annual temperature is 10.7 °C (19.3°F) cooler.
  • Average monthly temperatures vary by 5.8 °C (10.4°F) more in Rio Negro. The continentality subtype is barely hyperoceanic as opposed to extremely hyperoceanic.
  • Total annual precipitation averages 1525.6 mm (60.1 in) less which is equivalent to 1525.6 l/m² (37.44 US gal/ft²) or 15,256,000 l/ha (1,630,968 US gal/ac) less. About 1/2 as much.
  • The altitude of the sun at midday is overall 10.8° lower in Rio Negro than in Freetown.
  • Relative humidity levels are 0.5% higher.
  • The mean dew point temperature is 10.3°C (18.6°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) -7 (-12) -7 (-12) -9 (-16) -12 (-21) -14 (-26) -15 (-26) -14 (-25) -12 (-22) -11 (-21) -11 (-19) -9 (-17) -8 (-14) -11 (-19)
rainfall iconAverage Precipitation mm (in) +150 (+6) +167 (+7) +136 (+5) +21 (+1) -80 (-3) -230 (-9) -655 (-26) -704 (-28) -366 (-14) -121 (-5) +20 (+1) +138 (+5) -1526 (-60)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 52' +1h 10' +0h 12' -0h 48' -1h 40' -2h 05' -1h 54' -1h 10' -0h 11' +0h 50' +1h 41' +2h 05'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () +21.8 +3.4 -18 -34.8 -34.7 -34.7 -34.6 -34.6 -18.5 +4.1 +21.9 +29.3   -10.8
relative humidity iconRelative Humidity (%) +8 +11 +11 +4 +0 -2 -7 -6 -7 -4 -4 +2   +0.5
dewpoint temperature iconAverage Dew Point Temperature C & (F) -5 (-9) -4.4 (-8) -6.3 (-11) -10.8 (-19) -13.8 (-25) -14.6 (-26) -15.1 (-27) -13.2 (-24) -12.4 (-22) -11.1 (-20) -9.9 (-18) -7.1 (-13) -10.3 (-19)

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Rio Negro vs Freetown Discussion

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