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Iriomotejima vs Ponza Island Climate & Distance Between

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  • The distance between Iriomotejima, Japan and Ponza Island, Italy is approximately 9,839 km or 6,114 mi.
  • To reach Iriomotejima in this distance one would set out from Ponza Island bearing 58.4° or ENE and follow the great circles arc to approach Iriomotejima bearing 135° or SE .
  • Iriomotejima has a humid subtropical climate (Cfa) whereas Ponza Island has a Mediterranean hot climate (Csa).
  • The mean annual temperature is 7 °C (12.6°F) warmer.
  • Average monthly temperatures vary by 3.5 °C (6.3°F) less in Iriomotejima. The continentality subtype is barely hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 1685.4 mm (66.4 in) more which is equivalent to 1685.4 l/m² (41.36 US gal/ft²) or 16,854,000 l/ha (1,801,804 US gal/ac) more. About 3 4/7 as much.
  • The altitude of the sun at midday is overall 16.4° higher in Iriomotejima than in Ponza Island.
  • Relative humidity levels are 7.5% higher.
  • The mean dew point temperature is 8.3°C (15°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +9 (+15) +9 (+16) +10 (+17) +10 (+18) +9 (+15) +6 (+11) +4 (+8) +4 (+7) +6 (+11) +8 (+14) +9 (+16) +9 (+16) +8 (+14)
average temperature iconAverage Temperature °C ( °F) +8 (+14) +8 (+14) +9 (+16) +9 (+17) +8 (+15) +6 (+11) +4 (+8) +4 (+7) +5 (+10) +7 (+12) +8 (+14) +8 (+14) +7 (+13)
minimum temperature iconAverage Min Temperature °C ( °F) +7 (+12) +7 (+13) +8 (+15) +9 (+16) +8 (+15) +7 (+13) +5 (+9) +4 (+7) +5 (+9) +6 (+11) +7 (+13) +7 (+13) +7 (+12)
rainfall iconAverage Precipitation mm (in) +94 (+4) +98 (+4) +101 (+4) +126 (+5) +189 (+7) +183 (+7) +183 (+7) +219 (+9) +194 (+8) +116 (+5) +118 (+5) +64 (+3) +1685 (+66)
daylight iconAverage Daylight Hours & Minutes/ Day +1h 14' +0h 45' +0h 08' -0h 31' -1h 05' -1h 23' -1h 15' -0h 45' -0h 07' +0h 32' +1h 06' +1h 24'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (¬°) +16.4 +16.3 +16.3 +16.4 +16.3 +16.4 +16.3 +16.6 +16.6 +16.5 +16.5 +16.4   +16.4
relative humidity iconRelative Humidity (%) +3 +7 +7 +6 +9 +12 +12 +11 +9 +3 +7 +4   +7.5
dewpoint temperature iconAverage Dew Point Temperature ¬°C & (¬°F) +7.9 (+14) +9.2 (+17) +9.8 (+18) +10.2 (+18) +9.7 (+17) +8.7 (+16) +6.7 (+12) +5.8 (+10) +7 (+13) +7.2 (+13) +9.1 (+16) +8.4 (+15) +8.3 (+15)

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Iriomotejima vs Ponza Island Discussion

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