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Dakar vs Jamestown Climate & Distance Between

Saint Helena flag
  • The distance between Dakar, Senegal and Jamestown, Saint Helena is approximately 3,645 km or 2,265 mi.
  • To reach Dakar in this distance one would set out from Jamestown bearing 338.6° or NNW and follow the great circles arc to approach Dakar bearing 338.7° or NNW .
  • Dakar has a subtropical hot steppe climate (BSh) whereas Jamestown has a subtropical hot desert climate (BWh).
  • The annual average temperature is 2.5 °C (4.5°F) warmer.
  • Average monthly temperatures vary by 2.5 °C (4.5°F) more in Dakar. The continentality subtype is truly hyperoceanic for both.
  • Total annual precipitation averages 275.9 mm (10.9 in) more which is equivalent to 275.9 l/m² (6.77 US gal/ft²) or 2,759,000 l/ha (294,955 US gal/ac) more. About 3 as much.
  • The altitude of the sun at midday is overall 1.4° higher in Dakar than in Jamestown.
  • Relative humidity levels are 3.8% lower.
  • The mean dew point temperature is 1.5°C (2.7°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -2 (-4) -2 (-4) -3 (-5) -2 (-4) +2 (+4) +6 (+11) +8 (+14) +8 (+14) +8 (+14) +7 (+13) +6 (+11) +3 (+5) +3 (+6)
average temperature iconAverage Temperature °C ( °F) -3 (-5) -3 (-5) -3 (-5) -3 (-5) +1 (+2) +5 (+9) +8 (+14) +8 (+14) +7 (+13) +7 (+13) +5 (+9) +2 (+3) +3 (+5)
minimum temperature iconAverage Min Temperature °C ( °F) -4 (-7) -4 (-7) -5 (-9) -3 (-5) +1 (+2) +5 (+9) +8 (+14) +8 (+14) +7 (+13) +6 (+11) +5 (+9) +1 (+2) +2 (+4)
rainfall iconAverage Precipitation mm (in) -6 (0) -9 (0) -20 (-1) -10 (0) -17 (-1) -8 (0) +28 (+1) +155 (+6) +129 (+5) +35 (+1) +1 (+0) -3 (0) +276 (+11)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -3.5 ( -11) -3.5 ( -12) -5 ( -16) -2.5 ( -8) -3.5 ( -11) -4 ( -13) +1 (+3) +12 (+39) +11 (+37) +4 (+13) +0.5 (+2) -0.5 ( -2)   +6 (+2)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 36' -1h 00' -0h 11' +0h 41' +1h 25' +1h 47' +1h 37' +1h 00' +0h 09' -0h 43' -1h 26' -1h 47'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -29.9 -19 +1.8 +25 +30.5 +30.6 +30.5 +25.2 +2.4 -19.4 -29.6 -30.7   +1.4
relative humidity iconRelative Humidity (%) -8 -5 -1 +2 -2 -3 -3 -1 +0 +0 -11 -13   -3.8
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -4.9 (-9) -4.1 (-7) -3.1 (-6) -1.9 (-3) +0.5 (+1) +4.1 (+7) +6.6 (+12) +7.1 (+13) +6.8 (+12) +6.7 (+12) +2.1 (+4) -2 (-4) +1.5 (+3)

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Dakar vs Jamestown Discussion

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