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Jamestown vs Palermo/ Point Raisi Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Palermo/ Point Raisi, Italy is approximately 6,328 km or 3,932 mi.
  • To reach Jamestown in this distance one would set out from Palermo/ Point Raisi bearing 201.7° or SSW and follow the great circles arc to approach Jamestown bearing 197.6° or SSW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Palermo/ Point Raisi has a Mediterranean hot climate (Csa).
  • The mean annual temperature is 3.3 °C (6°F) warmer.
  • Average monthly temperatures vary by 9.7 °C (17.5°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 473.5 mm (18.6 in) less which is equivalent to 473.5 l/m² (11.62 US gal/ft²) or 4,735,000 l/ha (506,203 US gal/ac) less. About 2/9 as much.
  • The altitude of the sun at midday is overall 18.7° higher in Jamestown than in Palermo/ Point Raisi.
  • Relative humidity levels are 1.9% lower.
  • The mean dew point temperature is 2.7°C (4.9°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +12 (+22) +12 (+21) +12 (+21) +9 (+15) +2 (+4) -2 (-4) -6 (-11) -7 (-12) -5 (-8) 0 (+0) +4 (+7) +8 (+14) +3 (+6)
average temperature iconAverage Temperature °C ( °F) +12 (+21) +11 (+21) +11 (+19) +8 (+15) +3 (+6) -1 (-3) -6 (-10) -6 (-11) -4 (-7) 0 (-1) +4 (+8) +8 (+15) +3 (+6)
minimum temperature iconAverage Min Temperature °C ( °F) +11 (+19) +11 (+20) +11 (+20) +8 (+15) +3 (+5) -2 (-3) -6 (-11) -7 (-12) -5 (-8) +0 (+0) +4 (+7) +8 (+14) +3 (+5)
rainfall iconAverage Precipitation mm (in) -64 (-3) -55 (-2) -40 (-2) -34 (-1) -8 (0) +6 (+0) +28 (+1) -3 (0) -37 (-1) -96 (-4) -94 (-4) -77 (-3) -474 (-19)
daylight iconAverage Daylight Hours & Minutes/ Day +3h 09' +1h 58' +0h 21' -1h 21' -2h 48' -3h 32' -3h 12' -1h 58' -0h 18' +1h 24' +2h 50' +3h 32'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +53.3 +42.4 +21.6 -1.5 -18.1 -24.6 -18.6 -1.9 +21 +42.6 +52.9 +54.1   +18.7
relative humidity iconRelative Humidity (%) -10 -7 -8 -7 +0 +1 +5 +5 +3 +1 +2 -8   -1.9
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +8.7 (+16) +9.3 (+17) +8.2 (+15) +6.4 (+12) +3 (+5) -1.1 (-2) -4.3 (-8) -4.9 (-9) -3.3 (-6) -0.1 (0) +4.5 (+8) +6.1 (+11) +2.7 (+5)

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Jamestown vs Palermo/ Point Raisi Discussion

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