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Jamestown vs Chiba Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Chiba, Japan is approximately 15,985 km or 9,933 mi.
  • To reach Jamestown in this distance one would set out from Chiba bearing 294° or WNW and follow the great circles arc to approach Jamestown bearing 230.6° or SW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Chiba has a humid subtropical climate (Cfa).
  • The mean annual temperature is 6.8 °C (12.3°F) warmer.
  • Average monthly temperatures vary by 17.4 °C (31.3°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 1112.8 mm (43.8 in) less which is equivalent to 1112.8 l/m² (27.31 US gal/ft²) or 11,128,000 l/ha (1,189,657 US gal/ac) less. About 1/9 as much.
  • The altitude of the sun at midday is overall 16.1° higher in Jamestown than in Chiba.
  • Relative humidity levels are 0.6% higher.
  • The mean dew point temperature is 6.5°C (11.8°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +18 (+32) +18 (+32) +16 (+29) +10 (+17) +2 (+4) +-1 (-3) -6 (-10) -8 (-14) -4 (-7) +2 (+4) +7 (+12) +12 (+22) +5 (+10)
average temperature iconAverage Temperature °C ( °F) +19 (+34) +19 (+34) +16 (+29) +11 (+19) +4 (+7) +0 (+0) -4 (-8) -6 (-11) -3 (-5) +3 (+5) +9 (+16) +15 (+26) +7 (+12)
minimum temperature iconAverage Min Temperature °C ( °F) +20 (+37) +20 (+35) +18 (+32) +12 (+21) +5 (+9) 0 (0) -5 (-8) -6 (-12) -3 (-5) +4 (+8) +10 (+18) +16 (+28) +8 (+14)
rainfall iconAverage Precipitation mm (in) -41 (-2) -57 (-2) -74 (-3) -100 (-4) -78 (-3) -123 (-5) -73 (-3) -111 (-4) -172 (-7) -156 (-6) -85 (-3) -44 (-2) -1113 (-44)
daylight iconAverage Daylight Hours & Minutes/ Day +2h 57' +1h 50' +0h 20' -1h 16' -2h 36' -3h 17' -2h 59' -1h 50' -0h 17' +1h 18' +2h 38' +3h 17'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +50.8 +39.9 +19.2 -4 -20.6 -27.1 -21.2 -4.6 +18.3 +40 +50.2 +51.5   +16.1
relative humidity iconRelative Humidity (%) +8 +7 +2 -4 +1 -7 -6 -2 -3 +0 +5 +6   +0.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +19.5 (+35) +19.2 (+35) +15.6 (+28) +9.2 (+17) +4.1 (+7) -1.3 (-2) -5.4 (-10) -6.6 (-12) -3.2 (-6) +2.8 (+5) +9.5 (+17) +15.1 (+27) +6.5 (+12)

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Jamestown vs Chiba Discussion

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