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Jamestown vs Pretoria Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Pretoria, South Africa is approximately 3,676 km or 2,285 mi.
  • To reach Jamestown in this distance one would set out from Pretoria bearing 280.5° or W and follow the great circles arc to approach Jamestown bearing 292.9° or WNW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Pretoria has a mid-latitude cool steppe climate (BSk).
  • The annual mean temperature is 4.5 °C (8.1°F) warmer.
  • Average monthly temperatures vary by 6.5 °C (11.7°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 380 mm (15 in) less which is equivalent to 380 l/m² (9.33 US gal/ft²) or 3,800,000 l/ha (406,245 US gal/ac) less. About 1/4 as much.
  • The altitude of the sun at midday is overall 7.1° higher in Jamestown than in Pretoria.
  • Relative humidity levels are 9.8% higher.
  • The mean dew point temperature is 6.6°C (11.9°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +0 (0) +0 (0) +2 (+4) +3 (+5) +3 (+5) +4 (+7) +3 (+5) +0 (0) +-3 (-5) -4 (-7) +-4 (-7) +-4 (-7) +0 (0)
average temperature iconAverage Temperature °C ( °F) +3 (+5) +3 (+5) +4 (+7) +7 (+13) +9 (+16) +10 (+18) +9 (+16) +6 (+11) +3 (+5) 0 (0) +1 (+1) +1 (+1) +5 (+8)
minimum temperature iconAverage Min Temperature °C ( °F) +5 (+9) +5 (+9) +8 (+14) +11 (+20) +14 (+25) +15 (+27) +14 (+25) +11 (+20) +8 (+14) +5 (+9) +4 (+7) +4 (+7) +9 (+16)
rainfall iconAverage Precipitation mm (in) -127 (-5) -66 (-3) -59 (-2) -44 (-2) +5 (+0) +11 (+0) +30 (+1) +5 (+0) -15 (-1) -5 (0) -10 (0) -105 (-4) -380 (-15)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -8 ( -26) -6 ( -21) -5 ( -16) -2 ( -7) +1 (+3) +5 (+17) +7 (+23) +2 (+6) -1 ( -3) -6 ( -19) -11 ( -37) -11 ( -35)   -35 ( -10)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 34' -0h 21' -0h 03' +0h 14' +0h 30' +0h 38' +0h 35' +0h 21' +0h 03' -0h 15' -0h 31' -0h 38'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +1.6 +9.2 +9.8 +9.8 +9.8 +9.9 +9.8 +9.8 +9.8 +9 +1.4 -5.1   +7.1
relative humidity iconRelative Humidity (%) -4 -3 -5 -1 +10 +14 +20 +27 +28 +19 +12 +1   +9.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +1.4 (+3) +1.7 (+3) +2.7 (+5) +6.4 (+12) +10.8 (+19) +12.7 (+23) +13.1 (+24) +12.1 (+22) +9.8 (+18) +4.7 (+8) +3.3 (+6) +0.7 (+1) +6.6 (+12)

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Jamestown vs Pretoria Discussion

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