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Jamestown vs Birao Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Birao, Central African Republic is approximately 4,281 km or 2,660 mi.
  • To reach Jamestown in this distance one would set out from Birao bearing 227.5° or SW and follow the great circles arc to approach Jamestown bearing 229° or SW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Birao has a tropical wet and dry/ savanna climate with dry winters (Aw).
  • The annual average temperature is 4.6 °C (8.3°F) cooler.
  • Average monthly temperatures vary by 3 °C (5.4°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 705 mm (27.8 in) less which is equivalent to 705 l/m (17.3 US gal/ft) or 7,050,000 l/ha (753,692 US gal/ac) less. About 1/6 as much.
  • The altitude of the sun at midday is overall 3° lower in Jamestown than in Birao.
  • Relative humidity levels are 30.9% higher.
  • The mean dew point temperature is 6.6°C (11.9°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +-8 (-14) -10 (-18) -11 (-20) -12 (-22) -13 (-23) -11 (-20) -9 (-16) -8 (-14) -10 (-18) -10 (-18) -12 (-22) -10 (-18) -10 (-19)
average temperature iconAverage Temperature °C ( °F) +1 (+1) -2 (-3) -5 (-9) -6 (-11) -8 (-14) -7 (-13) -6 (-11) -6 (-10) -7 (-12) -6 (-11) -4 (-6) -1 (-2) -5 (-8)
minimum temperature iconAverage Min Temperature °C ( °F) +9 (+16) +7 (+13) +3 (+5) 0 (0) -4 (-7) -4 (-7) -4 (-7) -4 (-7) -4 (-7) -1 (-2) +4 (+7) +7 (+13) +1 (+1)
rainfall iconAverage Precipitation mm (in) +8 (+0) +10 (+0) +17 (+1) -9 (0) -56 (-2) -93 (-4) -172 (-7) -219 (-9) -157 (-6) -36 (-1) -1 (0) +3 (+0) -705 (-28)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +4 (+13) +4 (+14) +4 (+13) 0 ( 0) -3 ( -10) -5 ( -17) -7 ( -23) -15 ( -48) -10 ( -33) -3 ( -10) -0.5 ( -2) +1 (+3)   -30.5 ( -8)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 21' +0h 51' +0h 09' -0h 35' -1h 12' -1h 31' -1h 22' -0h 51' -0h 08' +0h 36' +1h 13' +1h 31'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () +25.5 +14.7 -6.2 -26.1 -26.1 -26.1 -26.1 -26.1 -6.8 +15 +25.1 +26.2   -3
relative humidity iconRelative Humidity (%) +47 +51 +46 +41 +34 +16 +8 +8 +9 +23 +44 +44   +30.9
dewpoint temperature iconAverage Dew Point Temperature C & (F) +19.8 (+36) +20.5 (+37) +14.5 (+26) +9.8 (+18) +2.6 (+5) -2.6 (-5) -4 (-7) -3.6 (-6) -4.2 (-8) +0.3 (+1) +11 (+20) +15.5 (+28) +6.6 (+12)

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