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Jamestown vs Puttalam Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Puttalam, Sri Lanka is approximately 9,781 km or 6,078 mi.
  • To reach Jamestown in this distance one would set out from Puttalam bearing 253.6° or WSW and follow the great circles arc to approach Jamestown bearing 261.1° or W .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Puttalam has a tropical wet and dry/ savanna climate with dry summers (As).
  • The mean temperature is 5.9 °C (10.7°F) cooler.
  • Average monthly temperatures vary by 0.8 °C (1.4°F) more in Jamestown. The continentality subtype is truly hyperoceanic for both.
  • Total annual precipitation averages 1058 mm (41.7 in) less which is equivalent to 1058 l/m² (25.97 US gal/ft²) or 10,580,000 l/ha (1,131,072 US gal/ac) less. About 1/9 as much.
  • The altitude of the sun at midday is overall 3.5° lower in Jamestown than in Puttalam.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -4 (-6) -5 (-9) -5 (-9) -6 (-11) -8 (-15) -9 (-15) -9 (-17) -10 (-17) -10 (-17) -8 (-15) -8 (-14) -6 (-11) -7 (-13)
average temperature iconAverage Temperature °C ( °F) -2 (-3) -3 (-5) -4 (-7) -5 (-9) -7 (-13) -8 (-14) -9 (-15) -9 (-15) -9 (-15) -8 (-14) -6 (-10) -4 (-7) -6 (-11)
minimum temperature iconAverage Min Temperature °C ( °F) 0 (0) 0 (-1) -1 (-2) -4 (-6) -7 (-12) -8 (-15) -9 (-15) -9 (-15) -8 (-15) -6 (-11) -5 (-9) -3 (-6) -5 (-9)
rainfall iconAverage Precipitation mm (in) -47 (-2) -30 (-1) -46 (-2) -166 (-7) -77 (-3) -24 (-1) +17 (+1) -6 (0) -59 (-2) -236 (-9) -249 (-10) -135 (-5) -1058 (-42)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 14' +0h 46' +0h 08' -0h 32' -1h 06' -1h 23' -1h 15' -0h 46' -0h 07' +0h 33' +1h 07' +1h 23'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +23.3 +12.5 -8.3 -24 -23.9 -23.9 -23.9 -23.8 -9.1 +12.7 +22.8 +24   -3.5

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Jamestown vs Puttalam Discussion

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