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Jamestown vs Barreiras Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Barreiras, Brazil is approximately 4,252 km or 2,643 mi.
  • To reach Jamestown in this distance one would set out from Barreiras bearing 100.4° or E and follow the great circles arc to approach Jamestown bearing 90.5° or E .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Barreiras has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • The mean temperature is 2.5 °C (4.4°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 984.9 mm (38.8 in) less which is equivalent to 984.9 l/m² (24.17 US gal/ft²) or 9,849,000 l/ha (1,052,923 US gal/ac) less. About 1/8 as much.
  • The altitude of the sun at midday is overall 1.6° lower in Jamestown than in Barreiras.
  • Relative humidity levels are 1.8% higher.
  • The mean dew point temperature is 1.8°C (3.3°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -4 (-7) -4 (-8) -3 (-6) -4 (-8) -8 (-14) -8 (-15) -10 (-17) -11 (-20) -13 (-23) -11 (-19) -9 (-16) -6 (-11) -8 (-14)
average temperature iconAverage Temperature °C ( °F) -1 (-1) -1 (-1) -1 (-1) 0 (-1) -1 (-3) -1 (-3) -2 (-4) -4 (-6) -6 (-11) -6 (-11) -4 (-8) -3 (-5) -2 (-4)
minimum temperature iconAverage Min Temperature °C ( °F) +2 (+3) +1 (+2) +3 (+5) +2 (+4) +2 (+3) +3 (+5) +3 (+5) +2 (+4) -1 (-1) -2 (-4) -2 (-4) -1 (-2) +1 (+2)
rainfall iconAverage Precipitation mm (in) -170 (-7) -136 (-5) -137 (-5) -85 (-3) -4 (0) +6 (+0) +31 (+1) +5 (+0) -15 (-1) -101 (-4) -176 (-7) -202 (-8) -985 (-39)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 12' +0h 07' +0h 01' -0h 05' -0h 10' -0h 13' -0h 12' -0h 07' -0h 01' +0h 05' +0h 11' +0h 13'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +3.3 -2.6 -3.7 -3.7 -3.7 -3.7 -3.8 -3.8 -3.8 -2.4 +3.2 +3.8   -1.6
relative humidity iconRelative Humidity (%) -14.5 -13.5 -15.9 -11.2 +0.1 +6.8 +15.3 +25.7 +27.9 +11.3 +1.2 -12   +1.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -4 (-7) -3.7 (-7) -4.1 (-7) -2.8 (-5) -1.3 (-2) +0.2 (+0) +1.5 (+3) +2.9 (+5) +1.6 (+3) -2.9 (-5) -3.8 (-7) -5.3 (-10) -1.8 (-3)

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Jamestown vs Barreiras Discussion

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