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Jamestown vs Wadi Halfa Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Wadi Halfa, Sudan is approximately 5,824 km or 3,619 mi.
  • To reach Jamestown in this distance one would set out from Wadi Halfa bearing 227° or SW and follow the great circles arc to approach Jamestown bearing 225° or SW .
  • Both have a subtropical hot desert climate (BWh).
  • The mean temperature is 4.5 °C (8°F) cooler.
  • Average monthly temperatures vary by 12.7 °C (22.9°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 132.4 mm (5.2 in) more which is equivalent to 132.4 l/m² (3.25 US gal/ft²) or 1,324,000 l/ha (141,544 US gal/ac) more. About 38 as much.
  • The altitude of the sun at midday is overall 2.7° higher in Jamestown than in Wadi Halfa.
  • Relative humidity levels are 41% higher.
  • The mean dew point temperature is 9.9°C (17.8°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +2 (+4) +0 (0) +-3 (-5) -10 (-18) -16 (-29) -19 (-34) -20 (-36) -20 (-36) -18 (-32) -14 (-25) -8 (-14) +-3 (-5) -11 (-19)
average temperature iconAverage Temperature °C ( °F) +8 (+14) +6 (+11) +2 (+3) -4 (-7) -10 (-17) -12 (-22) -13 (-23) -13 (-23) -12 (-21) -9 (-16) -2 (-3) +4 (+7) -4 (-8)
minimum temperature iconAverage Min Temperature °C ( °F) +13 (+23) +11 (+20) +9 (+16) +3 (+5) -3 (-5) -6 (-11) -8 (-14) -9 (-16) -6 (-11) -2 (-4) +3 (+5) +8 (+14) +1 (+2)
rainfall iconAverage Precipitation mm (in) +8 (+0) +10 (+0) +20 (+1) +10 (+0) +17 (+1) +18 (+1) +32 (+1) +10 (+0) +5 (+0) +1 (+0) +0 (+0) +3 (+0) +132 (+5)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +3.5 (+11) +3.5 (+12) +5 (+16) +3 (+10) +3.5 (+11) +6 (+20) +7.5 (+24) +2.5 (+8) +2 (+7) +0.5 (+2) -0.5 ( -2) +0.5 (+2)   +37 (+10)
daylight iconAverage Daylight Hours & Minutes/ Day +2h 00' +1h 15' +0h 13' -0h 52' -1h 46' -2h 14' -2h 02' -1h 15' -0h 11' +0h 53' +1h 48' +2h 14'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +37 +26.1 +5.3 -17.9 -34.3 -37.6 -34.4 -18.2 +4.6 +26.4 +36.6 +37.7   +2.7
relative humidity iconRelative Humidity (%) +22 +32 +38 +44 +52 +52 +51 +50 +50 +44 +35 +22   +41
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +13.4 (+24) +15.4 (+28) +14.7 (+26) +13.6 (+24) +10.9 (+20) +8.6 (+15) +6.2 (+11) +5.1 (+9) +6 (+11) +6.3 (+11) +8.7 (+16) +9.8 (+18) +9.9 (+18)

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