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Jamestown vs Jan Mayen b Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Jan Mayen b, Norway is approximately 9,660 km or 6,003 mi.
  • To reach Jamestown in this distance one would set out from Jan Mayen b bearing 177.2° or S and follow the great circles arc to approach Jamestown bearing 179° or S .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Jan Mayen b has a tundra climate (ET).
  • The average annual temperature is 23.2 °C (41.8°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 550 mm (21.7 in) less which is equivalent to 550 l/m² (13.5 US gal/ft²) or 5,500,000 l/ha (587,987 US gal/ac) less. About 1/5 as much.
  • The altitude of the sun at midday is overall 51.3° higher in Jamestown than in Jan Mayen b.
  • Relative humidity levels are 14.6% lower.
  • The mean dew point temperature is 19.5°C (35.1°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
average temperature iconAverage Temperature °C ( °F) +30 (+53) +30 (+54) +30 (+54) +28 (+50) +23 (+41) +19 (+34) +16 (+28) +15 (+27) +17 (+31) +20 (+36) +24 (+44) +27 (+49) +23 (+42)
rainfall iconAverage Precipitation mm (in) -53 (-2) -43 (-2) -35 (-1) -30 (-1) -22 (-1) -17 (-1) -14 (-1) -51 (-2) -77 (-3) -80 (-3) -66 (-3) -62 (-2) -550 (-22)
daylight iconAverage Daylight Hours & Minutes/ Day +12h 29' +6h 30' +1h 05' -4h 15' -10h 55' -12h 55' -12h 38' -6h 34' -0h 56' +4h 25' +11h 06' +12h 55'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +85.6 +74.9 +54.3 +31.2 +14.6 +8.2 +14.1 +30.9 +53.7 +75.2 +85.3 +86.8   +51.3
relative humidity iconRelative Humidity (%) -20 -18 -20 -18 -13 -15 -15 -11 -8 -11 -9 -17   -14.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +24.4 (+44) +25.2 (+45) +24.9 (+45) +23.1 (+42) +19.3 (+35) +15.7 (+28) +12.6 (+23) +12.7 (+23) +15.2 (+27) +17 (+31) +21.6 (+39) +22.6 (+41) +19.5 (+35)

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