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Vs > Niamey
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San Juan vs Niamey Climate & Distance Between

Niger flag
  • The distance between San Juan, Dominican Republic and Niamey, Niger is approximately 7,807 km or 4,851 mi.
  • To reach San Juan in this distance one would set out from Niamey bearing 285.4° or WNW and follow the great circles arc to approach San Juan bearing 262° or W .
  • San Juan has a tropical wet and dry/ savanna climate with dry winters (Aw) whereas Niamey has a subtropical hot steppe climate (BSh).
  • San Juan is in or near the subtropical moist forest biome whereas Niamey is in or near the tropical very dry forest biome.
  • The annual average temperature is 4.5 °C (8.2°F) cooler.
  • Average monthly temperatures vary by 5.9 °C (10.6°F) less in San Juan. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 409.8 mm (16.1 in) more which is equivalent to 409.8 l/m² (10.06 US gal/ft²) or 4,098,000 l/ha (438,103 US gal/ac) more. About 1 3/4 as much.
  • The altitude of the sun at midday is overall 2.6° lower in San Juan than in Niamey.
  • Relative humidity levels are 38.8% higher.
  • The mean dew point temperature is 10.7°C (19.3°F) higher.

Climate Comparison Table

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

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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San Juan vs Niamey Discussion

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