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Jamestown vs Trincomalee Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Trincomalee, Sri Lanka is approximately 9,948 km or 6,182 mi.
  • To reach Jamestown in this distance one would set out from Trincomalee bearing 253.8° or WSW and follow the great circles arc to approach Jamestown bearing 260.9° or W .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Trincomalee has a tropical wet and dry/ savanna climate with dry summers (As).
  • The annual mean temperature is 6.7 °C (12°F) cooler.
  • Average monthly temperatures vary by 0.5 °C (0.9°F) less in Jamestown. The continentality subtype is truly hyperoceanic for both.
  • Total annual precipitation averages 1432 mm (56.4 in) less which is equivalent to 1432 l/m² (35.14 US gal/ft²) or 14,320,000 l/ha (1,530,903 US gal/ac) less. About 0 as much.
  • The altitude of the sun at midday is overall 3.4° lower in Jamestown than in Trincomalee.
  • Relative humidity levels are 2.8% lower.
  • The mean dew point temperature is 7°C (12.6°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -1 (-2) -2 (-4) -3 (-5) -6 (-11) -11 (-19) -12 (-21) -12 (-22) -12 (-22) -12 (-21) -9 (-16) -6 (-11) -4 (-7) -7 (-13)
average temperature iconAverage Temperature °C ( °F) -2 (-4) -3 (-5) -4 (-7) -5 (-10) -9 (-15) -10 (-17) -10 (-18) -10 (-18) -10 (-17) -8 (-15) -6 (-10) -4 (-7) -7 (-12)
minimum temperature iconAverage Min Temperature °C ( °F) -3 (-6) -4 (-6) -3 (-6) -5 (-9) -7 (-13) -8 (-15) -9 (-16) -9 (-15) -8 (-15) -7 (-12) -6 (-11) -5 (-9) -6 (-11)
rainfall iconAverage Precipitation mm (in) -124 (-5) -90 (-4) -34 (-1) -40 (-2) -34 (-1) -8 (0) -37 (-1) -79 (-3) -99 (-4) -215 (-8) -334 (-13) -338 (-13) -1432 (-56)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -9 ( -29) -2 ( -7) 0 ( 0) -4 ( -13) -2 ( -6) +4 (+13) +4 (+13) -4 ( -13) -4 ( -13) -15 ( -48) -19 ( -63) -17 ( -55)   -68 ( -19)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 16' +0h 47' +0h 08' -0h 33' -1h 07' -1h 25' -1h 17' -0h 47' -0h 07' +0h 34' +1h 08' +1h 25'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +23.8 +13 -7.8 -24.5 -24.5 -24.4 -24.4 -24.4 -8.6 +13.2 +23.4 +24.5   -3.4
relative humidity iconRelative Humidity (%) -17 -12 -13 -10 +3 +9 +12 +12 +11 -2 -10 -17   -2.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -5.9 (-11) -5.5 (-10) -6.8 (-12) -7.5 (-14) -7.5 (-14) -7 (-13) -6.8 (-12) -6.8 (-12) -6.7 (-12) -8.3 (-15) -7.6 (-14) -7.7 (-14) -7 (-13)

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Jamestown vs Trincomalee Discussion

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