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Jamestown vs Irozaki Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Irozaki, Japan is approximately 15,923 km or 9,895 mi.
  • To reach Jamestown in this distance one would set out from Irozaki bearing 291.5° or WNW and follow the great circles arc to approach Jamestown bearing 232.8° or SW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Irozaki has a humid subtropical climate (Cfa).
  • The mean temperature is 5.5 °C (10°F) warmer.
  • Average monthly temperatures vary by 14.1 °C (25.4°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to semicontinental.
  • Total annual precipitation averages 1681.7 mm (66.2 in) less which is equivalent to 1681.7 l/m² (41.27 US gal/ft²) or 16,817,000 l/ha (1,797,849 US gal/ac) less. About 0 as much.
  • The altitude of the sun at midday is overall 15.1° higher in Jamestown than in Irozaki.
  • Relative humidity levels are 2.7% 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 Irozaki. You can also view this comparison the other way around from the perspective of Irozaki vs Jamestown.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +17 (+30) +17 (+30) +15 (+28) +10 (+18) +4 (+6) +0 (0) -4 (-8) -6 (-11) -4 (-6) +2 (+3) +6 (+10) +11 (+20) +6 (+10)
average temperature iconAverage Temperature °C ( °F) +16 (+29) +16 (+30) +14 (+25) +10 (+17) +4 (+7) +0 (+0) -4 (-7) -6 (-10) -3 (-6) +1 (+2) +6 (+11) +12 (+21) +6 (+10)
minimum temperature iconAverage Min Temperature °C ( °F) +16 (+28) +16 (+29) +15 (+27) +9 (+16) +3 (+6) -1 (-2) -5 (-10) -7 (-12) -4 (-8) +1 (+2) +6 (+10) +11 (+20) +5 (+9)
rainfall iconAverage Precipitation mm (in) -66 (-3) -73 (-3) -126 (-5) -142 (-6) -175 (-7) -243 (-10) -158 (-6) -177 (-7) -190 (-7) -151 (-6) -116 (-5) -65 (-3) -1682 (-66)
daylight iconAverage Daylight Hours & Minutes/ Day +2h 52' +1h 47' +0h 19' -1h 14' -2h 32' -3h 12' -2h 54' -1h 47' -0h 16' +1h 16' +2h 34' +3h 12'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +49.8 +38.9 +18.2 -5 -21.6 -28.1 -22.2 -5.6 +17.3 +39 +49.2 +50.5   +15.1
relative humidity iconRelative Humidity (%) +5 +4 -1 -8 -5 -12 -14 -9 -4 +1 +6 +5   -2.7
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +16.5 (+30) +16.4 (+30) +13.2 (+24) +7.5 (+14) +2.9 (+5) -2.2 (-4) -6.7 (-12) -7.4 (-13) -4.1 (-7) +1.3 (+2) +7.3 (+13) +12.1 (+22) +4.7 (+8)

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Jamestown vs Irozaki Discussion

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