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Jamestown vs Petrolina Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Petrolina, Brazil is approximately 3,836 km or 2,384 mi.
  • To reach Jamestown in this distance one would set out from Petrolina bearing 104.5° or ESE and follow the great circles arc to approach Jamestown bearing 96.6° or E .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Petrolina has a subtropical hot steppe climate (BSh).
  • The annual average temperature is 4.5 °C (8°F) cooler.
  • Average monthly temperatures vary by 0.3 °C (0.5°F) more in Jamestown. The continentality subtype is truly hyperoceanic for both.
  • Total annual precipitation averages 472.8 mm (18.6 in) less which is equivalent to 472.8 l/m² (11.6 US gal/ft²) or 4,728,000 l/ha (505,455 US gal/ac) less. About 2/9 as much.
  • The altitude of the sun at midday is overall 2.6° lower in Jamestown than in Petrolina.
  • Relative humidity levels are 11.6% higher.
  • The mean dew point temperature is 1.3°C (2.3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) -3 (-5) -3 (-5) -3 (-5) -2 (-3) -3 (-6) -4 (-6) -5 (-8) -5 (-9) -6 (-11) -8 (-14) -7 (-13) -5 (-9) -4 (-8)
rainfall iconAverage Precipitation mm (in) -64 (-3) -80 (-3) -128 (-5) -72 (-3) -11 (0) +8 (+0) +20 (+1) +6 (+0) -1 (0) -19 (-1) -50 (-2) -81 (-3) -473 (-19)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 21' +0h 13' +0h 02' -0h 09' -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 -2.9 -6.4 -6.5 -6.5 -6.5 -6.6 -6.6 -6.5 -2.3 +5.8 +6.6   -2.6
relative humidity iconRelative Humidity (%) +5 +2 -3 -5 +8 +11 +14 +23 +27 +24 +22 +11   +11.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -1.4 (-3) -2.4 (-4) -3.2 (-6) -2.9 (-5) -1.4 (-3) -0.7 (-1) -1.2 (-2) +1 (+2) +1.1 (+2) -1 (-2) -1 (-2) -1.9 (-3) -1.3 (-2)

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Jamestown vs Petrolina Discussion

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