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Koumac vs Jamestown Climate & Distance Between

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  • The distance between Koumac, New Caledonia and Jamestown, Saint Helena is approximately 15,815 km or 9,828 mi.
  • To reach Koumac in this distance one would set out from Jamestown bearing 164.6° or SSE and follow the great circles arc to approach Koumac bearing 15.8° or NNE .
  • Koumac has a tropical wet and dry/ savanna climate with dry winters (Aw) whereas Jamestown has a subtropical hot desert climate (BWh).
  • The annual mean temperature is 1.5 °C (2.6°F) warmer.
  • Average monthly temperatures vary by 2.2 °C (4°F) more in Koumac. The continentality subtype is truly hyperoceanic for both.
  • Total annual precipitation averages 876.8 mm (34.5 in) more which is equivalent to 876.8 l/m² (21.52 US gal/ft²) or 8,768,000 l/ha (937,357 US gal/ac) more. About 7 2/5 as much.
  • The altitude of the sun at midday is overall 2.7° lower in Koumac than in Jamestown.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +3 (+5) +3 (+5) +1 (+3) +1 (+2) +3 (+5) +2 (+4) +2 (+4) +2 (+4) +3 (+6) +4 (+6) +5 (+9) +5 (+9) +3 (+5)
average temperature iconAverage Temperature °C ( °F) +2 (+4) +2 (+4) +2 (+3) +0 (+1) +1 (+1) +0 (+1) +0 (+0) +0 (+0) +1 (+2) +2 (+4) +3 (+5) +3 (+6) +1 (+3)
minimum temperature iconAverage Min Temperature °C ( °F) +2 (+3) +2 (+3) +0 (+1) 0 (-1) 0 (0) 0 (0) -1 (-1) -1 (-1) 0 (0) +0 (+1) +2 (+4) +2 (+4) +1 (+1)
rainfall iconAverage Precipitation mm (in) +165 (+6) +167 (+7) +107 (+4) +57 (+2) +42 (+2) +52 (+2) +20 (+1) +34 (+1) +34 (+1) +37 (+1) +64 (+3) +98 (+4) +877 (+35)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 15' +0h 09' +0h 01' -0h 06' -0h 14' -0h 17' -0h 16' -0h 09' -0h 01' +0h 07' +0h 14' +0h 17'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +2.1 -4 -4.5 -4.5 -4.6 -4.7 -4.7 -4.8 -4.8 -4.2 +1.9 +4.6   -2.7

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Koumac vs Jamestown Discussion

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