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Vs > Apia, Upolu
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Shannon vs Apia, Upolu Climate & Distance Between

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  • The distance between Shannon, Ireland and Apia, Upolu, Samoa is approximately 15,431 km or 9,589 mi.
  • To reach Shannon in this distance one would set out from Apia, Upolu bearing 15.7° or NNE and follow the great circles arc to approach Shannon bearing 154.2° or SSE .
  • Shannon has a marine west coast climate (Cfb) whereas Apia, Upolu has a tropical rainforest climate (Af).
  • The average temperature is 16.3 °C (29.4°F) cooler.
  • Average monthly temperatures vary by 9 °C (16.2°F) more in Shannon. The continentality subtype is barely hyperoceanic as opposed to extremely hyperoceanic.
  • Total annual precipitation averages 1926 mm (75.8 in) less which is equivalent to 1926 l/m² (47.27 US gal/ft²) or 19,260,000 l/ha (2,059,022 US gal/ac) less. About 1/3 as much.
  • There are 1189 fewer hours of sunlight per year in Shannon. In whichever way circa 3h 15' less per day or about 1/2 as many.
  • The altitude of the sun at midday is overall 34.2° lower in Shannon than in Apia, Upolu.
  • Relative humidity levels are 10.2% higher.
  • The mean dew point temperature is 14°C (25.1°F) lower.

Climate Comparison Table

The table shows values for Shannon relative to Apia, Upolu. You can also view this comparison the other way around from the perspective of Apia, Upolu vs Shannon.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -22 (-39) -21 (-37) -20 (-35) -17 (-31) -14 (-25) -11 (-20) -10 (-17) -10 (-18) -12 (-21) -15 (-27) -20 (-35) -21 (-38) -16 (-29)
average temperature iconAverage Temperature °C ( °F) -22 (-39) -21 (-38) -20 (-35) -18 (-33) -15 (-27) -12 (-22) -11 (-19) -11 (-20) -13 (-23) -15 (-28) -19 (-34) -20 (-36) -16 (-29)
minimum temperature iconAverage Min Temperature °C ( °F) -21 (-39) -21 (-38) -19 (-35) -19 (-35) -16 (-28) -13 (-23) -11 (-20) -12 (-22) -13 (-23) -16 (-29) -19 (-33) -19 (-35) -17 (-30)
rainfall iconAverage Precipitation mm (in) -357 (-14) -315 (-12) -287 (-11) -198 (-8) -100 (-4) -67 (-3) -24 (-1) -7 (0) -50 (-2) -77 (-3) -172 (-7) -272 (-11) -1926 (-76)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -2 ( -6) -3 ( -11) -3 ( -10) +2 (+7) +3 (+10) +9 (+30) +10 (+32) +10 (+32) +8 (+27) +4 (+13) +3 (+10) +5 (+16)   +46 (+12)
sunshine iconAverage Sunlight Hours/ Day -4h 11' -3h 15' -3h 03' -2h 04' -0h 40' -1h 30' -2h 58' -2h 52' -4h 22' -4h 29' -4h 52' -4h 44'   -3h 15'
daylight iconAverage Daylight Hours & Minutes/ Day -4h 44' -2h 53' -0h 31' +1h 59' +4h 10' +5h 19' +4h 48' +2h 53' +0h 27' -2h 03' -4h 13' -5h 19'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -66 -58.4 -38 -14.9 +1.6 +7.9 +1.9 -15 -37.8 -58.8 -65.6 -66.5   -34.2
relative humidity iconRelative Humidity (%) +12 +13 +9 +6 +3 +7 +7 +12 +11 +13 +16 +13   +10.2
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) -18.9 (-34) -18.2 (-33) -17.4 (-31) -16.6 (-30) -13.7 (-25) -10.3 (-19) -8.8 (-16) -8.5 (-15) -10 (-18) -12.5 (-23) -15.5 (-28) -17.1 (-31) -14 (-25)

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Shannon vs Apia, Upolu Discussion

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