Vs > Ballykelly, Northern Ireland
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Jamestown vs Ballykelly, Northern Ireland Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Ballykelly, Northern Ireland, Uk is approximately 7,894 km or 4,905 mi.
  • To reach Jamestown in this distance one would set out from Ballykelly, Northern Ireland bearing 178.7° or S and follow the great circles arc to approach Jamestown bearing 179.2° or S .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Ballykelly, Northern Ireland has a marine west coast climate (Cfb).
  • The average temperature is 12.4 °C (22.3°F) warmer.
  • Average monthly temperatures vary by 6.5 °C (11.7°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 728 mm (28.7 in) less which is equivalent to 728 l/m (17.87 US gal/ft) or 7,280,000 l/ha (778,280 US gal/ac) less. About 1/6 as much.
  • The altitude of the sun at midday is overall 35.5° higher in Jamestown than in Ballykelly, Northern Ireland.
  • Relative humidity levels are 6.5% lower.
  • The mean dew point temperature is 10.6°C (19°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +20 (+36) +20 (+36) +18 (+32) +15 (+27) +9 (+16) +6 (+11) +4 (+7) +4 (+7) +5 (+9) +10 (+18) +13 (+23) +16 (+29) +12 (+21)
average temperature iconAverage Temperature °C ( °F) +20 (+35) +20 (+36) +18 (+32) +16 (+28) +11 (+20) +8 (+14) +6 (+10) +6 (+10) +7 (+12) +10 (+17) +14 (+24) +17 (+30) +12 (+22)
minimum temperature iconAverage Min Temperature °C ( °F) +19 (+34) +20 (+36) +19 (+34) +16 (+29) +12 (+22) +9 (+16) +6 (+11) +6 (+11) +7 (+13) +10 (+18) +13 (+23) +16 (+29) +13 (+23)
rainfall iconAverage Precipitation mm (in) -82 (-3) -44 (-2) -29 (-1) -47 (-2) -32 (-1) -42 (-2) -60 (-2) -60 (-2) -77 (-3) -83 (-3) -71 (-3) -101 (-4) -728 (-29)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -17 ( -55) -14 ( -50) -12 ( -39) -15 ( -50) -11 ( -35) -10 ( -33) -12 ( -39) -15 ( -48) -18 ( -60) -17 ( -55) -19 ( -63) -22 ( -71)   -182 ( -50)
daylight iconAverage Daylight Hours & Minutes/ Day +5h 15' +3h 11' +0h 34' -2h 11' -4h 37' -5h 56' -5h 20' -3h 12' -0h 29' +2h 16' +4h 41' +5h 56'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () +70.1 +59.2 +38.4 +15.3 -1.3 -7.7 -1.7 +15 +37.8 +59.5 +69.7 +70.9   +35.5
relative humidity iconRelative Humidity (%) -19 -12 -9 -5 +3 +1 -1 +0 +0 -7 -10 -19   -6.5
dewpoint temperature iconAverage Dew Point Temperature C & (F) +14.8 (+27) +16.7 (+30) +14.8 (+27) +13.7 (+25) +11.2 (+20) +7.9 (+14) +5.1 (+9) +5.3 (+10) +6.2 (+11) +7.8 (+14) +11.2 (+20) +12.1 (+22) +10.6 (+19)

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Jamestown vs Ballykelly, Northern Ireland Discussion

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