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N’Djamena vs Rio Negro Climate & Distance Between

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  • The distance between N’Djamena, Chad and Rio Negro, Brazil is approximately 8,194 km or 5,092 mi.
  • To reach N’Djamena in this distance one would set out from Rio Negro bearing 67.2° or ENE and follow the great circles arc to approach N’Djamena bearing 57.9° or ENE .
  • N’Djamena has a subtropical hot steppe climate (BSh) whereas Rio Negro has a subtropical highland climate with no dry season (Cfb).
  • N’Djamena is in or near the tropical very dry forest biome whereas Rio Negro is in or near the warm temperate moist forest biome.
  • The mean annual temperature is 11.7 °C (21.1°F) warmer.
  • Average monthly temperatures vary by 1.2 °C (2.2°F) more in N’Djamena. The continentality subtype is barely hyperoceanic for both.
  • Total annual precipitation averages 909.9 mm (35.8 in) less which is equivalent to 909.9 l/m² (22.33 US gal/ft²) or 9,099,000 l/ha (972,743 US gal/ac) less. About 1/3 as much.
  • The altitude of the sun at midday is overall 9.8° higher in N’Djamena than in Rio Negro.
  • Relative humidity levels are 37.9% lower.
  • The mean dew point temperature is 0°C (0.1°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +3 (+5) +5 (+9) +11 (+19) +16 (+29) +19 (+34) +18 (+32) +16 (+29) +13 (+24) +13 (+24) +13 (+23) +9 (+15) +4 (+8) +12 (+21)
rainfall iconAverage Precipitation mm (in) -153 (-6) -171 (-7) -148 (-6) -57 (-2) -72 (-3) -42 (-2) +64 (+3) +87 (+3) -34 (-1) -124 (-5) -107 (-4) -154 (-6) -910 (-36)
daylight iconAverage Daylight Hours & Minutes/ Day -2h 03' -1h 17' -0h 14' +0h 53' +1h 50' +2h 18' +2h 05' +1h 17' +0h 12' -0h 55' -1h 51' -2h 18'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -25.3 -6.9 +14.5 +37.7 +38.2 +38.2 +38.1 +37.3 +15.1 -7.5 -25.4 -32.9   +9.8
relative humidity iconRelative Humidity (%) -52 -60 -62 -55 -42 -31 -13 -4 -10 -31 -45 -49   -37.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -12.7 (-23) -14.5 (-26) -11.1 (-20) -1.7 (-3) +6.2 (+11) +9.8 (+18) +12.7 (+23) +12.2 (+22) +10.7 (+19) +4.4 (+8) -5.2 (-9) -10.2 (-18) +0 (+0)

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N’Djamena vs Rio Negro Discussion

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