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Jamestown vs Mcmurdo Sound Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Mcmurdo Sound, Antarctica is approximately 9,577 km or 5,951 mi.
  • To reach Jamestown in this distance one would set out from Mcmurdo Sound bearing 187.3° or S and follow the great circles arc to approach Jamestown bearing 358.4° or N .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Mcmurdo Sound has a ice cap climate (EF).
  • The mean annual temperature is 39.1 °C (70.4°F) warmer.
  • Average monthly temperatures vary by 20.6 °C (37.1°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 76 mm (3 in) less which is equivalent to 76 l/m² (1.87 US gal/ft²) or 760,000 l/ha (81,249 US gal/ac) less. About 2/3 as much.
  • The altitude of the sun at midday is overall 58.9° higher in Jamestown than in Mcmurdo Sound.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +27 (+48) +33 (+59) +41 (+74) +45 (+81) +45 (+82) +44 (+79) +46 (+82) +47 (+85) +46 (+82) +39 (+71) +31 (+55) +26 (+46) +39 (+70)
rainfall iconAverage Precipitation mm (in) -8 (0) -19 (-1) +5 (+0) -8 (0) -3 (0) -10 (0) +16 (+1) -3 (0) -5 (0) -18 (-1) -12 (0) -11 (0) -76 (-3)
daylight iconAverage Daylight Hours & Minutes/ Day -11h 09' -10h 04' -1h 33' +7h 00' +11h 15' +11h 04' +11h 09' +9h 56' +1h 20' -7h 14' -11h 15' -11h 04'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +53.1 +60.8 +61.6 +61.4 +61.8 +62 +61.9 +61.6 +62 +60.8 +52.7 +46.9   +58.9

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Jamestown vs Mcmurdo Sound Discussion

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