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Jamestown vs Mombetsu Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Mombetsu, Japan is approximately 15,723 km or 9,771 mi.
  • To reach Jamestown in this distance one would set out from Mombetsu bearing 307.6° or NW and follow the great circles arc to approach Jamestown bearing 216.1° or SW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Mombetsu has a warm summer continental/ hemiboreal climate with no dry season (Dfb).
  • The average annual temperature is 15.9 °C (28.7°F) warmer.
  • Average monthly temperatures vary by 21.8 °C (39.2°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 692.1 mm (27.2 in) less which is equivalent to 692.1 l/m² (16.99 US gal/ft²) or 6,921,000 l/ha (739,901 US gal/ac) less. About 1/6 as much.
  • The altitude of the sun at midday is overall 24.8° higher in Jamestown than in Mombetsu.
  • Relative humidity levels are 5.7% lower.
  • The mean dew point temperature is 13.9°C (25°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +30 (+54) +31 (+55) +27 (+49) +18 (+33) +10 (+18) +7 (+12) +2 (+3) +0 (-1) +2 (+4) +9 (+16) +17 (+30) +24 (+42) +15 (+26)
average temperature iconAverage Temperature °C ( °F) +30 (+55) +31 (+56) +27 (+48) +20 (+35) +13 (+23) +9 (+15) +3 (+6) +1 (+2) +5 (+8) +10 (+19) +18 (+33) +25 (+44) +16 (+29)
minimum temperature iconAverage Min Temperature °C ( °F) +31 (+56) +32 (+58) +28 (+51) +21 (+37) +14 (+25) +9 (+16) +3 (+6) +1 (+2) +5 (+10) +13 (+23) +19 (+34) +25 (+45) +17 (+30)
rainfall iconAverage Precipitation mm (in) -45 (-2) -25 (-1) -28 (-1) -36 (-1) -47 (-2) -58 (-2) -50 (-2) -117 (-5) -101 (-4) -85 (-3) -59 (-2) -42 (-2) -692 (-27)
daylight iconAverage Daylight Hours & Minutes/ Day +3h 45' +2h 19' +0h 25' -1h 36' -3h 19' -4h 12' -3h 48' -2h 19' -0h 22' +1h 39' +3h 22' +4h 12'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +59.5 +48.6 +27.9 +4.7 -11.9 -18.4 -12.5 +4.2 +27 +48.7 +59 +60.2   +24.8
relative humidity iconRelative Humidity (%) -11 -10 -9 -3 +0 -11 -12 -8 -2 +2 +2 -7   -5.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +26.3 (+47) +27.3 (+49) +23 (+41) +18 (+32) +12.2 (+22) +6.2 (+11) +0.9 (+2) -0.4 (-1) +3.9 (+7) +10.3 (+19) +17.6 (+32) +21.6 (+39) +13.9 (+25)

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Jamestown vs Mombetsu Discussion

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