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N’Djamena vs San Juan Climate & Distance Between

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  • The distance between N’Djamena, Chad and San Juan, Puerto Rico is approximately 8,653 km or 5,377 mi.
  • To reach N’Djamena in this distance one would set out from San Juan bearing 81.1° or E and follow the great circles arc to approach N’Djamena bearing 106.5° or ESE .
  • N’Djamena has a subtropical hot steppe climate (BSh) whereas San Juan has a tropical monsoonal climate (Am).
  • N’Djamena is in or near the tropical very dry forest biome whereas San Juan is in or near the subtropical moist forest biome.
  • The mean annual temperature is 2.7 °C (4.8°F) warmer.
  • Average monthly temperatures vary by 6.1 °C (11°F) more in N’Djamena. The continentality subtype is barely hyperoceanic as opposed to truly hyperoceanic.
  • Total annual precipitation averages 1118.2 mm (44 in) less which is equivalent to 1118.2 l/m² (27.44 US gal/ft²) or 11,182,000 l/ha (1,195,430 US gal/ac) less. About 1/3 as much.
  • There are 308 more hours of sunlight per year in N’Djamena. In whichever way circa 0h 51' more per day or about 1 1/9 as many.
  • The altitude of the sun at midday is overall 2.9° higher in N’Djamena than in San Juan.
  • Relative humidity levels are 33.1% lower.
  • The mean dew point temperature is 7.7°C (13.9°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) 5 (+10) +7 (+13) +11 (+19) +12 (+22) +10 (+18) +6 (+11) +3 (+5) 1 (+1) +3 (+5) +6 (+11) +6 (+10) 6 (+10) +6 (+11)
average temperature iconAverage Temperature °C ( °F) 0 (0) +2 (+4) +6 (+11) +8 (+14) +7 (+12) +4 (+7) +1 (+2) 0 (0) +1 (+2) +2 (+4) +1 (+1) 0 (-1) +3 (+5)
minimum temperature iconAverage Min Temperature °C ( °F) -6 (-10) -2 (-4) +1 (+2) +4 (+7) +4 (+7) +2 (+3) +0 (+0) -1 (-1) 0 (-1) -1 (-2) -4 (-8) -6 (-11) -1 (-2)
rainfall iconAverage Precipitation mm (in) -119 (-5) -71 (-3) -56 (-2) -84 (-3) -155 (-6) -94 (-4) -15 (-1) -7 (0) -88 (-3) -128 (-5) -165 (-6) -138 (-5) -1118 (-44)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -17 ( -55) -13 ( -46) -10.5 ( -34) -13 ( -43) -15 ( -48) -9 ( -30) -6 ( -19) -1 ( -3) -7 ( -23) -15 ( -48) -17.5 ( -58) -18.5 ( -60)   -142.5 ( -39)
sunshine iconAverage Sunlight Hours/ Day +2h 17' +2h 22' +0h 01' +0h 18' +0h 54' +0h 34' -1h 48' -2h 38' +0h 14' +1h 42' +2h 52' +3h 27'   +0h 51'
daylight iconAverage Daylight Hours & Minutes/ Day +0h 20' +0h 13' +0h 02' -0h 08' -0h 18' -0h 23' -0h 21' -0h 13' -0h 02' +0h 09' +0h 18' +0h 23'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +6.2 +6.1 +6.1 +6 -6.1 -6.3 -5.9 +5.7 +6.4 +6.3 +6.3 +6.3   +2.9
relative humidity iconRelative Humidity (%) -46 -52 -52 -47 -38 -26 -10 -2 -6 -29 -45 -44   -33.1
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -14.5 (-26) -15.6 (-28) -13.7 (-25) -8.3 (-15) -4.6 (-8) -2.9 (-5) -1 (-2) -0.4 (-1) -0.1 (0) -5.3 (-10) -12.7 (-23) -13.8 (-25) -7.7 (-14)

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N’Djamena vs San Juan Discussion

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