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Jamestown vs Sewell Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Sewell, Chile is approximately 6,712 km or 4,171 mi.
  • To reach Jamestown in this distance one would set out from Sewell bearing 89.8° or E and follow the great circles arc to approach Jamestown bearing 59.5° or ENE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Sewell has a Mediterranean warm climate (Csb).
  • The annual average temperature is 11.4 °C (20.6°F) warmer.
  • Average monthly temperatures vary by 7 °C (12.6°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 754.4 mm (29.7 in) less which is equivalent to 754.4 l/m² (18.51 US gal/ft²) or 7,544,000 l/ha (806,504 US gal/ac) less. About 1/7 as much.
  • The altitude of the sun at midday is overall 15.3° higher in Jamestown than in Sewell.
  • Relative humidity levels are 13% higher.
  • The mean dew point temperature is 13.9°C (25°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +8 (+15) +8 (+15) +10 (+17) +12 (+22) +14 (+25) +15 (+28) +15 (+27) +15 (+26) +13 (+23) +11 (+19) +9 (+16) +8 (+14) +11 (+21)
rainfall iconAverage Precipitation mm (in) +4 (+0) +5 (+0) +7 (+0) -30 (-1) -110 (-4) -154 (-6) -193 (-8) -129 (-5) -77 (-3) -47 (-2) -24 (-1) -7 (0) -754 (-30)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 09' -0h 43' -0h 07' +0h 29' +1h 01' +1h 18' +1h 10' +0h 43' +0h 06' -0h 30' -1h 02' -1h 18'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +9.7 +17.5 +18.2 +18.3 +18.2 +18.2 +18.1 +18 +18.1 +17.1 +9.1 +3.1   +15.3
relative humidity iconRelative Humidity (%) +12 +15 +14 +12 +12 +7 +9 +13 +15 +15 +18 +14   +13
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +10.8 (+19) +11.8 (+21) +12.8 (+23) +14.4 (+26) +15.7 (+28) +16.1 (+29) +16.3 (+29) +16.5 (+30) +15.5 (+28) +13.5 (+24) +12.7 (+23) +10.6 (+19) +13.9 (+25)

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Jamestown vs Sewell Discussion

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