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Jamestown vs Chennai, Tamil Nadu Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Chennai, Tamil Nadu, India is approximately 9,974 km or 6,198 mi.
  • To reach Jamestown in this distance one would set out from Chennai, Tamil Nadu bearing 253.6° or WSW and follow the great circles arc to approach Jamestown bearing 256.4° or WSW .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Chennai, Tamil Nadu has a tropical wet and dry/ savanna climate with dry summers (As).
  • The average annual temperature is 7 °C (12.5°F) cooler.
  • Average monthly temperatures vary by 4.3 °C (7.7°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 1404 mm (55.3 in) less which is equivalent to 1404 l/m² (34.46 US gal/ft²) or 14,040,000 l/ha (1,500,969 US gal/ac) less. About 0 as much.
  • The altitude of the sun at midday is overall 2.1° lower in Jamestown than in Chennai, Tamil Nadu.
  • Relative humidity levels are 0.2% lower.
  • The mean dew point temperature is 6.6°C (11.9°F) lower.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -2 (-3) -4 (-7) -5 (-9) -9 (-15) -14 (-25) -14 (-26) -13 (-24) -13 (-23) -12 (-22) -9 (-16) -7 (-12) -4 (-8) -9 (-16)
average temperature iconAverage Temperature °C ( °F) -1 (-1) -2 (-4) -4 (-8) -7 (-12) -11 (-20) -11 (-21) -11 (-19) -10 (-18) -10 (-17) -8 (-15) -5 (-9) -3 (-5) -7 (-12)
minimum temperature iconAverage Min Temperature °C ( °F) +1 (+1) -1 (-1) -2 (-3) -5 (-9) -9 (-16) -9 (-17) -9 (-16) -9 (-15) -8 (-15) -6 (-12) -5 (-8) -3 (-5) -5 (-10)
rainfall iconAverage Precipitation mm (in) -19 (-1) -24 (-1) +16 (+1) -2 (0) -21 (-1) -53 (-2) -88 (-3) -128 (-5) -156 (-6) -371 (-15) -409 (-16) -149 (-6) -1404 (-55)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +1 (+3) +3 (+11) +4 (+13) +1 (+3) +1 (+3) -3 ( -10) -6 ( -19) -12 ( -39) -9 ( -30) -13 ( -42) -11 ( -37) -6 ( -19)   -50 ( -14)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 30' +0h 56' +0h 10' -0h 39' -1h 20' -1h 40' -1h 31' -0h 56' -0h 08' +0h 40' +1h 21' +1h 40'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +28.2 +17.4 -3.4 -26.6 -28.9 -28.9 -28.8 -26.8 -4.2 +17.6 +27.8 +28.9   -2.1
relative humidity iconRelative Humidity (%) -10 -7 -6 -4 +10 +15 +10 +10 +3 -5 -6 -12   -0.2
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -2.9 (-5) -3.8 (-7) -5.6 (-10) -7.5 (-14) -8 (-14) -7 (-13) -7.9 (-14) -7.4 (-13) -8.7 (-16) -9 (-16) -6.2 (-11) -5.6 (-10) -6.6 (-12)

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Jamestown vs Chennai, Tamil Nadu Discussion

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