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Jamestown vs Antofagasta Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Antofagasta, Chile is approximately 6,776 km or 4,210 mi.
  • To reach Jamestown in this distance one would set out from Antofagasta bearing 95.8° or E and follow the great circles arc to approach Jamestown bearing 71.6° or ENE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Antofagasta has a mid-latitude cool desert climate (BWk).
  • The mean annual temperature is 5.4 °C (9.8°F) warmer.
  • Average monthly temperatures vary by 2.6 °C (4.7°F) less in Jamestown. The continentality subtype is truly hyperoceanic for both.
  • Total annual precipitation averages 135.3 mm (5.3 in) more which is equivalent to 135.3 l/m (3.32 US gal/ft) or 1,353,000 l/ha (144,645 US gal/ac) more. About 80 3/5 as much.
  • The altitude of the sun at midday is overall 4.9° higher in Jamestown than in Antofagasta.
  • Relative humidity levels are 7.6% lower.
  • The mean dew point temperature is 3.6°C (6.5°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +3 (+5) +2 (+4) +5 (+9) +6 (+11) +5 (+9) +5 (+9) +5 (+9) +5 (+9) +4 (+7) +4 (+7) +3 (+5) +1 (+2) +4 (+7)
average temperature iconAverage Temperature °C ( °F) +4 (+7) +4 (+7) +5 (+10) +7 (+13) +7 (+12) +7 (+13) +7 (+12) +6 (+11) +6 (+10) +5 (+8) +4 (+7) +3 (+6) +5 (+10)
minimum temperature iconAverage Min Temperature °C ( °F) +4 (+7) +4 (+7) +6 (+11) +7 (+13) +6 (+11) +7 (+13) +6 (+11) +6 (+11) +5 (+9) +5 (+9) +3 (+5) +3 (+5) +5 (+9)
rainfall iconAverage Precipitation mm (in) +8 (+0) +10 (+0) +20 (+1) +10 (+0) +18 (+1) +18 (+1) +33 (+1) +9 (+0) +5 (+0) +2 (+0) 0 (0) +3 (+0) +135 (+5)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +4 (+13) +4 (+14) +5 (+16) +3 (+10) +4 (+13) +6 (+20) +7 (+23) +2 (+6) +1 (+3) 0 ( 0) -1 ( -3) +1 (+3)   +36 (+10)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 26' -0h 16' -0h 03' +0h 11' +0h 23' +0h 29' +0h 26' +0h 16' +0h 02' -0h 11' -0h 23' -0h 29'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () -0.3 +7 +7.6 +7.6 +7.6 +7.6 +7.4 +7.4 +7.5 +6.7 -0.5 -7.1   +4.9
relative humidity iconRelative Humidity (%) -12 -11 -14 -14 -7 -7 -5 -2 -3 -4 -3 -9   -7.6
dewpoint temperature iconAverage Dew Point Temperature C & (F) +1.1 (+2) +1.5 (+3) +2 (+4) +3.9 (+7) +5.1 (+9) +5.4 (+10) +5.4 (+10) +5.7 (+10) +4.9 (+9) +3.5 (+6) +3.4 (+6) +1.1 (+2) +3.6 (+6)

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