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Jamestown vs Stornoway, Outer Hebridies Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Stornoway, Outer Hebridies, Uk is approximately 8,243 km or 5,122 mi.
  • To reach Jamestown in this distance one would set out from Stornoway, Outer Hebridies bearing 179.4° or S and follow the great circles arc to approach Jamestown bearing 179.7° or S .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Stornoway, Outer Hebridies has a marine west coast climate (Cfb).
  • The average annual temperature is 13.8 °C (24.9°F) warmer.
  • Average monthly temperatures vary by 4.6 °C (8.3°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 1036 mm (40.8 in) less which is equivalent to 1036 l/m² (25.43 US gal/ft²) or 10,360,000 l/ha (1,107,553 US gal/ac) less. About 1/9 as much.
  • The altitude of the sun at midday is overall 38.7° higher in Jamestown than in Stornoway, Outer Hebridies.
  • Relative humidity levels are 10.6% lower.
  • The mean dew point temperature is 11.2°C (20.1°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +20 (+37) +20 (+36) +20 (+36) +17 (+31) +12 (+21) +9 (+15) +7 (+12) +6 (+11) +8 (+15) +11 (+20) +14 (+26) +17 (+30) +13 (+24)
average temperature iconAverage Temperature °C ( °F) +20 (+36) +20 (+36) +19 (+34) +18 (+32) +13 (+23) +10 (+17) +7 (+13) +7 (+13) +9 (+16) +11 (+20) +15 (+27) +17 (+31) +14 (+25)
minimum temperature iconAverage Min Temperature °C ( °F) +19 (+35) +20 (+35) +20 (+35) +18 (+32) +13 (+24) +10 (+17) +7 (+13) +7 (+13) +9 (+15) +12 (+21) +15 (+27) +17 (+30) +14 (+25)
rainfall iconAverage Precipitation mm (in) -114 (-4) -76 (-3) -84 (-3) -55 (-2) -43 (-2) -45 (-2) -40 (-2) -74 (-3) -111 (-4) -136 (-5) -133 (-5) -125 (-5) -1036 (-41)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -20 ( -65) -17 ( -60) -14 ( -45) -17 ( -57) -13 ( -42) -11 ( -37) -13 ( -42) -17 ( -55) -19 ( -63) -23 ( -74) -23 ( -77) -24 ( -77)   -211 ( -58)
daylight iconAverage Daylight Hours & Minutes/ Day +5h 55' +3h 33' +0h 38' -2h 26' -5h 10' -6h 42' -6h 00' -3h 33' -0h 33' +2h 31' +5h 15' +6h 43'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +73.2 +62.3 +41.6 +18.5 +1.9 -4.5 +1.4 +18.2 +41 +62.6 +72.8 +74   +38.7
relative humidity iconRelative Humidity (%) -23 -17 -14 -12 -3 -4 -5 -3 -5 -8 -12 -21   -10.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +14.4 (+26) +15.7 (+28) +15.2 (+27) +14.3 (+26) +11.9 (+21) +8.6 (+15) +6 (+11) +6.4 (+12) +7.6 (+14) +9 (+16) +12.5 (+23) +12.4 (+22) +11.2 (+20)

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