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Jamestown vs Nanjing Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Nanjing, China is approximately 14,167 km or 8,803 mi.
  • To reach Jamestown in this distance one would set out from Nanjing bearing 274.1° or W and follow the great circles arc to approach Jamestown bearing 241.6° or WSW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Nanjing has a humid subtropical climate (Cfa).
  • The annual mean temperature is 6.1 °C (11°F) warmer.
  • Average monthly temperatures vary by 22 °C (39.6°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 842 mm (33.1 in) less which is equivalent to 842 l/m² (20.66 US gal/ft²) or 8,420,000 l/ha (900,154 US gal/ac) less. About 1/7 as much.
  • The altitude of the sun at midday is overall 12.5° higher in Jamestown than in Nanjing.
  • Relative humidity levels are 5.2% lower.
  • The mean dew point temperature is 4.7°C (8.5°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +21 (+38) +19 (+34) +14 (+25) +7 (+13) +-1 (-2) -6 (-11) -10 (-18) -10 (-18) -6 (-11) +1 (+2) +7 (+13) +15 (+27) +4 (+8)
average temperature iconAverage Temperature °C ( °F) +22 (+40) +20 (+36) +15 (+27) +9 (+16) +2 (+3) -4 (-6) -8 (-14) -8 (-14) -4 (-6) +3 (+5) +10 (+17) +17 (+31) +6 (+11)
minimum temperature iconAverage Min Temperature °C ( °F) +23 (+41) +21 (+38) +18 (+32) +11 (+20) +3 (+5) -2 (-4) -7 (-13) -7 (-13) -2 (-4) +5 (+9) +11 (+20) +18 (+32) +8 (+14)
rainfall iconAverage Precipitation mm (in) -31 (-1) -46 (-2) -54 (-2) -72 (-3) -75 (-3) -100 (-4) -119 (-5) -154 (-6) -59 (-2) -45 (-2) -38 (-1) -49 (-2) -842 (-33)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -5 ( -16) -6 ( -21) -5 ( -16) -8 ( -27) -7 ( -23) -4 ( -13) -5 ( -16) -9 ( -29) -8 ( -27) -6 ( -19) -9 ( -30) -10 ( -32)   -82 ( -22)
daylight iconAverage Daylight Hours & Minutes/ Day +2h 40' +1h 40' +0h 18' -1h 09' -2h 22' -2h 59' -2h 42' -1h 40' -0h 15' +1h 11' +2h 24' +2h 59'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +47.2 +36.3 +15.6 -7.6 -24.2 -30.7 -24.8 -8.1 +14.7 +36.4 +46.7 +47.9   +12.5
relative humidity iconRelative Humidity (%) -11 -12 -6 -7 -2 -4 -6 -3 -3 +1 +1 -11   -5.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +18.4 (+33) +16.7 (+30) +13 (+23) +7 (+13) +1 (+2) -4.2 (-8) -9 (-16) -8.4 (-15) -4 (-7) +2.6 (+5) +9.4 (+17) +14 (+25) +4.7 (+8)

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