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Jamestown vs Punta Arenas Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Punta Arenas, Chile is approximately 6,945 km or 4,316 mi.
  • To reach Jamestown in this distance one would set out from Punta Arenas bearing 79.7° or E and follow the great circles arc to approach Jamestown bearing 38° or NE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Punta Arenas has a subpolar oceanic climate (Cfc).
  • The average annual temperature is 15.9 °C (28.7°F) warmer.
  • Average monthly temperatures vary by 5.4 °C (9.7°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 238.7 mm (9.4 in) less which is equivalent to 238.7 l/m² (5.86 US gal/ft²) or 2,387,000 l/ha (255,186 US gal/ac) less. About 3/8 as much.
  • The altitude of the sun at midday is overall 34.1° higher in Jamestown than in Punta Arenas.
  • Relative humidity levels are 6.7% lower.
  • The mean dew point temperature is 13.9°C (25.1°F) higher.

Climate Comparison Table

The table shows values for Jamestown relative to Punta Arenas. You can also view this comparison the other way around from the perspective of Punta Arenas 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 (+22) +15 (+27) +17 (+31) +17 (+31) +18 (+32) +17 (+31) +16 (+29) +14 (+25) +12 (+22) +11 (+20) +10 (+18) +14 (+26)
average temperature iconAverage Temperature °C ( °F) +14 (+24) +14 (+25) +16 (+28) +18 (+32) +19 (+33) +20 (+35) +19 (+34) +18 (+32) +16 (+29) +14 (+24) +13 (+23) +12 (+22) +16 (+29)
minimum temperature iconAverage Min Temperature °C ( °F) +14 (+25) +14 (+25) +17 (+31) +17 (+31) +17 (+31) +18 (+32) +17 (+31) +17 (+31) +15 (+27) +15 (+27) +14 (+25) +13 (+23) +16 (+28)
rainfall iconAverage Precipitation mm (in) -31 (-1) -18 (-1) -10 (0) -26 (-1) -24 (-1) -10 (0) +3 (+0) -20 (-1) -19 (-1) -27 (-1) -32 (-1) -26 (-1) -239 (-9)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -7 ( -23) -6 ( -21) -6 ( -19) -10 ( -33) -8 ( -26) -5 ( -17) -3 ( -10) -7 ( -23) -9 ( -30) -7 ( -23) -10 ( -33) -11 ( -35)   -89 ( -24)
daylight iconAverage Daylight Hours & Minutes/ Day -3h 13' -1h 57' -0h 21' +1h 20' +2h 50' +3h 39' +3h 17' +1h 57' +0h 18' -1h 22' -2h 52' -3h 39'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +28.5 +36.3 +37.1 +37.2 +37.1 +37.1 +36.9 +36.9 +36.9 +35.9 +27.8 +22.1   +34.1
relative humidity iconRelative Humidity (%) -6 -6 -11 -15 -12 -12 -10 -6 -3 +0 +3 -3   -6.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +11.4 (+21) +11.9 (+21) +12.8 (+23) +14.2 (+26) +15.7 (+28) +16.6 (+30) +16.3 (+29) +16.3 (+29) +14.9 (+27) +13.1 (+24) +12.9 (+23) +11 (+20) +13.9 (+25)

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