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Jamestown vs Upernavik Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Upernavik, Greenland is approximately 10,522 km or 6,539 mi.
  • To reach Jamestown in this distance one would set out from Upernavik bearing 131.9° or SE and follow the great circles arc to approach Jamestown bearing 166.8° or SSE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Upernavik has a tundra climate (ET).
  • The mean temperature is 28.4 °C (51.2°F) warmer.
  • Average monthly temperatures vary by 21.5 °C (38.7°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 110 mm (4.3 in) less which is equivalent to 110 l/m² (2.7 US gal/ft²) or 1,100,000 l/ha (117,597 US gal/ac) less. About 5/9 as much.
  • The altitude of the sun at midday is overall 53.2° higher in Jamestown than in Upernavik.
  • Relative humidity levels are 12.2% lower.
  • The mean dew point temperature is 24.9°C (44.9°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +40 (+72) +43 (+77) +43 (+77) +35 (+63) +23 (+41) +17 (+31) +12 (+22) +13 (+23) +18 (+32) +24 (+43) +28 (+50) +34 (+61) +28 (+50)
average temperature iconAverage Temperature °C ( °F) +41 (+73) +44 (+78) +44 (+78) +37 (+66) +25 (+44) +19 (+33) +14 (+25) +14 (+25) +19 (+33) +24 (+42) +29 (+52) +35 (+63) +28 (+51)
minimum temperature iconAverage Min Temperature °C ( °F) +41 (+74) +44 (+79) +46 (+83) +38 (+68) +25 (+45) +19 (+34) +15 (+27) +14 (+25) +18 (+32) +24 (+43) +29 (+52) +35 (+63) +29 (+52)
rainfall iconAverage Precipitation mm (in) -3 (0) +0 (+0) +12 (+0) -2 (0) +7 (+0) +4 (+0) +7 (+0) -21 (-1) -31 (-1) -29 (-1) -35 (-1) -19 (-1) -110 (-4)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -4 ( -13) -3 ( -11) -1 ( -3) -4 ( -13) -2 ( -6) +2 (+7) +3 (+10) -2 ( -6) -6 ( -20) -10 ( -32) -10 ( -33) -8 ( -26)   -45 ( -12)
daylight iconAverage Daylight Hours & Minutes/ Day +12h 50' +7h 42' +1h 12' -4h 47' -11h 55' -12h 55' -12h 50' -7h 48' -1h 02' +4h 59' +12h 06' +12h 55'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +87.7 +76.7 +56.1 +33 +16.4 +10 +16 +32.8 +55.6 +77.1 +87.4 +88.7   +53.2
relative humidity iconRelative Humidity (%) -8 -9 -10 -14 -17 -16 -13 -11 -11 -15 -12 -10   -12.2
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +36.6 (+66) +39.6 (+71) +39.4 (+71) +32.1 (+58) +20.6 (+37) +15.1 (+27) +11.2 (+20) +11.6 (+21) +15.9 (+29) +19.9 (+36) +25.8 (+46) +31.2 (+56) +24.9 (+45)

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