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Tristan Da Cunha vs San Juan Climate & Distance Between

Dominican Republic flag
  • The distance between Tristan Da Cunha, Tristan Da Cunha and San Juan, Dominican Republic is approximately 8,749 km or 5,437 mi.
  • To reach Tristan Da Cunha in this distance one would set out from San Juan bearing 135.8° or SE and follow the great circles arc to approach Tristan Da Cunha bearing 124.3° or SE .
  • Tristan Da Cunha has a marine west coast climate (Cfb) whereas San Juan has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • The mean annual temperature is 9.7 °C (17.4°F) cooler.
  • Average monthly temperatures vary by 3.2 °C (5.8°F) more in Tristan Da Cunha. The continentality subtype is barely hyperoceanic as opposed to truly hyperoceanic.
  • Total annual precipitation averages 730.4 mm (28.8 in) more which is equivalent to 730.4 l/m (17.93 US gal/ft) or 7,304,000 l/ha (780,846 US gal/ac) more. About 1 3/4 as much.
  • The altitude of the sun at midday is overall 17.5° lower in Tristan Da Cunha than in San Juan.
  • Relative humidity levels are 7.2% higher.
  • The mean dew point temperature is 7.8°C (14.1°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -10 (-17) -9 (-17) -11 (-21) -14 (-24) -14 (-25) -17 (-30) -19 (-34) -19 (-34) -18 (-33) -16 (-29) -13 (-24) -11 (-19) -14 (-26)
average temperature iconAverage Temperature °C ( °F) -4 (-8) -4 (-8) -6 (-12) -9 (-16) -10 (-19) -13 (-23) -14 (-25) -14 (-26) -14 (-25) -12 (-22) -9 (-16) -6 (-10) -10 (-17)
minimum temperature iconAverage Min Temperature °C ( °F) +1 (+1) +1 (+2) -1 (-3) -4 (-7) -7 (-12) -9 (-16) -9 (-15) -10 (-18) -10 (-18) -9 (-15) -5 (-9) -1 (-2) -5 (-9)
rainfall iconAverage Precipitation mm (in) +81 (+3) +98 (+4) +90 (+4) +60 (+2) +14 (+1) +70 (+3) +52 (+2) +47 (+2) +21 (+1) +16 (+1) +75 (+3) +109 (+4) +730 (+29)
daylight iconAverage Daylight Hours & Minutes/ Day +3h 13' +2h 00' +0h 22' -1h 23' -2h 51' -3h 36' -3h 16' -2h 00' -0h 19' +1h 26' +2h 54' +3h 36'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () +21.3 +2.7 -18.9 -42.2 -55.6 -55.8 -55.3 -42.2 -19.4 +3.4 +21.5 +28.6   -17.5
relative humidity iconRelative Humidity (%) +8.9 +8.5 +7.7 +8.5 +4.7 +7 +9.2 +8.8 +5.7 +3.6 +5.2 +8.7   +7.2
dewpoint temperature iconAverage Dew Point Temperature C & (F) -2.4 (-4) -2.2 (-4) -4.4 (-8) -6.5 (-12) -9.1 (-16) -11.1 (-20) -11.2 (-20) -11.9 (-21) -12.3 (-22) -11.2 (-20) -7.7 (-14) -3.8 (-7) -7.8 (-14)

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Tristan Da Cunha vs San Juan Discussion

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