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Jamestown vs Choma Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Choma, Zambia is approximately 3,495 km or 2,172 mi.
  • To reach Jamestown in this distance one would set out from Choma bearing 266.9° or W and follow the great circles arc to approach Jamestown bearing 276.4° or W .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Choma has a humid subtropical climate with dry winters (Cwa).
  • The mean annual temperature is 2.7 °C (4.9°F) warmer.
  • Average monthly temperatures vary by 5.1 °C (9.2°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 664.6 mm (26.2 in) less which is equivalent to 664.6 l/m² (16.31 US gal/ft²) or 6,646,000 l/ha (710,502 US gal/ac) less. About 1/6 as much.
  • The altitude of the sun at midday is overall 0.5° higher in Jamestown than in Choma.
  • Relative humidity levels are 8.5% higher.
  • The mean dew point temperature is 4.8°C (8.7°F) higher.

Climate Comparison Table

The table shows values for Jamestown relative to Choma. You can also view this comparison the other way around from the perspective of Choma 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) +1 (+2) +1 (+1) +-1 (-1) +0 (+0) +-1 (-1) +-3 (-6) -7 (-13) -8 (-14) -6 (-12) +-3 (-6) +-2 (-4)
average temperature iconAverage Temperature °C ( °F) +3 (+5) +3 (+6) +4 (+6) +5 (+9) +6 (+10) +7 (+13) +6 (+11) +4 (+6) -1 (-1) -3 (-5) -2 (-3) +1 (+2) +3 (+5)
minimum temperature iconAverage Min Temperature °C ( °F) +4 (+8) +5 (+8) +7 (+12) +9 (+16) +11 (+20) +13 (+24) +13 (+23) +11 (+19) +6 (+11) +4 (+7) +2 (+3) +2 (+4) +7 (+13)
rainfall iconAverage Precipitation mm (in) -195 (-8) -151 (-6) -65 (-3) -18 (-1) +11 (+0) +17 (+1) +33 (+1) +10 (+0) +4 (+0) -21 (-1) -93 (-4) -195 (-8) -665 (-26)
daylight iconAverage Daylight Hours & Minutes/ Day -0h 03' -0h 01' -0h 00' +0h 01' +0h 02' +0h 03' +0h 03' +0h 01' +0h 00' -0h 01' -0h 02' -0h 03'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -0.8 +0.7 +0.9 +0.9 +0.9 +1 +0.9 +0.9 +1 +0.7 -0.7 -0.9   +0.5
relative humidity iconRelative Humidity (%) -13.6 -12.9 -10.9 -2.9 +9.8 +13.9 +19.9 +29.5 +34.9 +25.1 +17.9 -8.5   +8.5
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -0.3 (-1) +0.1 (+0) +1 (+2) +4.1 (+7) +7.4 (+13) +9.9 (+18) +10.6 (+19) +10.6 (+19) +8.8 (+16) +3.9 (+7) +2.8 (+5) -1.1 (-2) +4.8 (+9)

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Jamestown vs Choma Discussion

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