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Jamestown vs Cape Town Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Cape Town, South Africa is approximately 3,153 km or 1,959 mi.
  • To reach Jamestown in this distance one would set out from Cape Town bearing 303.5° or WNW and follow the great circles arc to approach Jamestown bearing 314° or NW .
  • The mean temperature is 5.3 °C (9.5°F) warmer.
  • Average monthly temperatures vary by 5 °C (9°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 338 mm (13.3 in) less which is equivalent to 338 l/m² (8.3 US gal/ft²) or 3,380,000 l/ha (361,344 US gal/ac) less. About 2/7 as much.
  • The altitude of the sun at midday is overall 15.2° higher in Jamestown than in Cape Town.
  • Relative humidity levels are 8.1% lower.
  • The mean dew point temperature is 3.4°C (6°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +1 (+2) +1 (+2) +3 (+5) +5 (+9) +4 (+7) +5 (+9) +5 (+9) +4 (+7) +3 (+5) +2 (+4) +0 (0) +-1 (-2) +3 (+5)
average temperature iconAverage Temperature °C ( °F) +3 (+5) +3 (+5) +5 (+8) +7 (+13) +7 (+13) +8 (+14) +8 (+14) +7 (+13) +6 (+11) +4 (+7) +3 (+5) +3 (+5) +5 (+9)
minimum temperature iconAverage Min Temperature °C ( °F) +5 (+9) +5 (+9) +8 (+14) +9 (+16) +9 (+16) +10 (+18) +10 (+18) +9 (+16) +8 (+14) +7 (+13) +5 (+9) +5 (+9) +8 (+14)
rainfall iconAverage Precipitation mm (in) -6 (0) -6 (0) -1 (0) -31 (-1) -50 (-2) -75 (-3) -50 (-2) -67 (-3) -36 (-1) -1 (0) -1 (0) -14 (-1) -338 (-13)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) 0 ( 0) 0 ( 0) 0 ( 0) -5 ( -17) -8 ( -26) -7 ( -23) -5 ( -16) -9 ( -29) -8 ( -27) -8 ( -26) -6 ( -20) -4 ( -13)   -60 ( -16)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 09' -0h 42' -0h 07' +0h 29' +1h 01' +1h 17' +1h 10' +0h 42' +0h 06' -0h 30' -1h 02' -1h 17'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +9.5 +17.3 +18 +18.1 +18.1 +18.1 +18 +18 +18 +17.1 +9.1 +3   +15.2
relative humidity iconRelative Humidity (%) -8 -8 -13 -15 -11 -11 -9 -6 -4 -4 -2 -6   -8.1
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +1 (+2) +1 (+2) +1.4 (+3) +3.5 (+6) +4.6 (+8) +5.6 (+10) +6 (+11) +5.6 (+10) +5 (+9) +3 (+5) +2.5 (+5) +1 (+2) +3.4 (+6)

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