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Niamey vs San Juan Climate & Distance Between

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  • The distance between Niamey, Niger and San Juan, Dominican Republic is approximately 7,807 km or 4,851 mi.
  • To reach Niamey in this distance one would set out from San Juan bearing 82° or E and follow the great circles arc to approach Niamey bearing 105.4° or ESE .
  • Niamey has a subtropical hot steppe climate (BSh) whereas San Juan has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • Niamey is in or near the tropical very dry forest biome whereas San Juan is in or near the subtropical moist forest biome.
  • The average temperature is 4.5 °C (8.2°F) warmer.
  • Average monthly temperatures vary by 5.9 °C (10.6°F) more in Niamey. The continentality subtype is barely hyperoceanic as opposed to truly hyperoceanic.
  • Total annual precipitation averages 409.8 mm (16.1 in) less which is equivalent to 409.8 l/m² (10.06 US gal/ft²) or 4,098,000 l/ha (438,103 US gal/ac) less. About 4/7 as much.
  • The altitude of the sun at midday is overall 2.6° higher in Niamey than in San Juan.
  • Relative humidity levels are 38.8% lower.
  • The mean dew point temperature is 10.7°C (19.3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +3 (+5) +5 (+10) +8 (+14) +9 (+17) +9 (+17) +5 (+10) +1 (+2) +0 (+1) +2 (+4) +7 (+12) +6 (+11) +4 (+7) +5 (+9)
average temperature iconAverage Temperature °C ( °F) +2 (+3) +4 (+7) +7 (+12) +9 (+15) +9 (+15) +6 (+10) +3 (+5) +2 (+3) +3 (+5) +6 (+10) +4 (+7) +2 (+4) +5 (+8)
minimum temperature iconAverage Min Temperature °C ( °F) +1 (+1) +3 (+5) +6 (+10) +8 (+14) +8 (+14) +6 (+10) +5 (+8) +3 (+6) +4 (+7) +5 (+8) +1 (+3) +1 (+1) +4 (+7)
rainfall iconAverage Precipitation mm (in) -12 (0) -15 (-1) -27 (-1) -64 (-3) -107 (-4) -21 (-1) +46 (+2) +43 (+2) -56 (-2) -125 (-5) -52 (-2) -18 (-1) -410 (-16)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 17' +0h 11' +0h 02' -0h 07' -0h 15' -0h 19' -0h 17' -0h 11' -0h 01' +0h 07' +0h 15' +0h 19'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +5.3 +5.2 +5.2 +5.2 -5.1 -5.3 -4.9 +5.3 +5.3 +5.4 +5.3 +5.3   +2.6
relative humidity iconRelative Humidity (%) -58.1 -56.5 -56.3 -51.5 -38.3 -28 -13.8 -2.2 -12.3 -35.4 -56.8 -57.3   -38.9
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -22.8 (-41) -21.1 (-38) -20.5 (-37) -13 (-23) -3.9 (-7) -2.7 (-5) -0.9 (-2) +1 (+2) -0.1 (0) -5 (-9) -18.5 (-33) -21.1 (-38) -10.7 (-19)

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Niamey vs San Juan Discussion

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