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San Juan vs Atar Climate & Distance Between

Mauritania flag
  • The distance between San Juan, Puerto Rico and Atar, Mauritania is approximately 5,530 km or 3,436 mi.
  • To reach San Juan in this distance one would set out from Atar bearing 277.2° or W and follow the great circles arc to approach San Juan bearing 258.4° or WSW .
  • San Juan has a tropical monsoonal climate (Am) whereas Atar has a subtropical hot desert climate (BWh).
  • San Juan is in or near the subtropical moist forest biome whereas Atar is in or near the subtropical desert biome.
  • The average temperature is 2.4 °C (4.3°F) cooler.
  • Average monthly temperatures vary by 11 °C (19.8°F) less in San Juan. The continentality subtype is truly hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 1508 mm (59.4 in) more which is equivalent to 1508 l/m (37.01 US gal/ft) or 15,080,000 l/ha (1,612,152 US gal/ac) more. About 13 2/3 as much.
  • There are 642 fewer hours of sunlight per year in San Juan. In whichever way circa 1h 45' less per day or about 4/5 as many.
  • The altitude of the sun at midday is overall 1.3° higher in San Juan than in Atar.
  • Relative humidity levels are 48.9% higher.
  • The mean dew point temperature is 13.8°C (24.8°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +-1 (-2) +-2 (-4) -5 (-9) -6 (-11) -9 (-16) -11 (-20) -11 (-20) -10 (-18) -9 (-16) -6 (-11) +-3 (-5) +1 (+2) -6 (-11)
average temperature iconAverage Temperature °C ( °F) +3 (+5) +2 (+3) -1 (-1) -2 (-4) -5 (-9) -7 (-13) -8 (-14) -7 (-13) -6 (-11) -3 (-5) +1 (+1) +5 (+8) -2 (-4)
minimum temperature iconAverage Min Temperature °C ( °F) +7 (+13) +5 (+9) +4 (+7) +2 (+4) -1 (-2) -3 (-5) -4 (-7) -4 (-7) -3 (-5) 0 (0) +4 (+7) +8 (+14) +1 (+2)
rainfall iconAverage Precipitation mm (in) +115 (+5) +67 (+3) +55 (+2) +94 (+4) +181 (+7) +142 (+6) +151 (+6) +150 (+6) +136 (+5) +128 (+5) +158 (+6) +132 (+5) +1508 (+59)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +16 (+52) +12 (+42) +10.5 (+34) +13.5 (+45) +18.5 (+60) +17 (+57) +19 (+61) +14 (+45) +13 (+43) +15 (+48) +17 (+57) +17 (+55)   +182.5 (+50)
sunshine iconAverage Sunlight Hours/ Day -1h 13' -1h 33' -1h 25' -2h 18' -2h 46' -2h 58' -1h 38' -1h 11' -1h 28' -1h 00' -1h 56' -1h 38'   -1h 45'
daylight iconAverage Daylight Hours & Minutes/ Day +0h 07' +0h 04' +0h 00' -0h 03' -0h 06' -0h 08' -0h 07' -0h 04' -0h 00' +0h 03' +0h 06' +0h 08'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () +2.1 +2.2 +2.2 +2.2 -1.2 -2.1 -1 +2 +2 +2 +2 +2   +1.3
relative humidity iconRelative Humidity (%) +43 +47 +46 +51 +56 +57 +48 +44 +47 +51 +54 +43   +48.9
dewpoint temperature iconAverage Dew Point Temperature C & (F) +15.5 (+28) +16.1 (+29) +14.6 (+26) +15.6 (+28) +15.6 (+28) +14.2 (+26) +8.4 (+15) +6.9 (+12) +9.2 (+17) +13.8 (+25) +18.4 (+33) +17 (+31) +13.8 (+25)

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