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Freetown vs Rio Negro Climate & Distance Between

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  • The distance between Freetown, Sierra Leone and Rio Negro, Brazil is approximately 5,526 km or 3,434 mi.
  • To reach Freetown in this distance one would set out from Rio Negro bearing 50.6° or NE and follow the great circles arc to approach Freetown bearing 44.6° or NE .
  • Freetown has a tropical monsoonal climate (Am) whereas Rio Negro has a subtropical highland climate with no dry season (Cfb).
  • The average annual temperature is 10.7 °C (19.3°F) warmer.
  • Average monthly temperatures vary by 5.8 °C (10.4°F) less in Freetown. The continentality subtype is extremely hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 1525.6 mm (60.1 in) more 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) more. About 2 as much.
  • The altitude of the sun at midday is overall 10.8° higher in Freetown than in Rio Negro.
  • Relative humidity levels are 0.5% lower.
  • The mean dew point temperature is 10.3°C (18.6°F) higher.

Climate Comparison Table

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

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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Freetown vs Rio Negro Discussion

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