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Rome/ Fiumicino vs Honolulu, Oahu Climate & Distance Between

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  • The distance between Rome/ Fiumicino, Italy and Honolulu, Oahu, Hawaii is approximately 12,921 km or 8,029 mi.
  • To reach Rome/ Fiumicino in this distance one would set out from Honolulu, Oahu bearing 8.2° or N and follow the great circles arc to approach Rome/ Fiumicino bearing 169.8° or S .
  • Rome/ Fiumicino has a Mediterranean hot climate (Csa) whereas Honolulu, Oahu has a tropical wet and dry/ savanna climate with dry summers (As).
  • The average temperature is 9.6 °C (17.3°F) cooler.
  • Average monthly temperatures vary by 10.6 °C (19.1°F) more in Rome/ Fiumicino. The continentality subtype is truly oceanic as opposed to truly hyperoceanic.
  • Total annual precipitation averages 173.8 mm (6.8 in) more which is equivalent to 173.8 l/m (4.27 US gal/ft) or 1,738,000 l/ha (185,804 US gal/ac) more. About 1 1/3 as much.
  • The altitude of the sun at midday is overall 20° lower in Rome/ Fiumicino than in Honolulu, Oahu.
  • Relative humidity levels are 14.8% higher.
  • The mean dew point temperature is 5.8°C (10.4°F) lower.

Climate Comparison Table

The table shows values for Rome/ Fiumicino relative to Honolulu, Oahu. You can also view this comparison the other way around from the perspective of Honolulu, Oahu vs Rome/ Fiumicino.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -14 (-25) -13 (-24) -12 (-22) -10 (-18) -7 (-13) -5 (-8) -2 (-4) -3 (-5) -5 (-10) -9 (-15) -12 (-21) -13 (-24) -9 (-16)
average temperature iconAverage Temperature °C ( °F) -14 (-26) -14 (-25) -13 (-23) -11 (-20) -8 (-15) -6 (-10) -4 (-6) -4 (-7) -6 (-11) -9 (-17) -12 (-22) -14 (-25) -10 (-17)
minimum temperature iconAverage Min Temperature °C ( °F) -15 (-27) -14 (-26) -14 (-25) -12 (-22) -9 (-17) -7 (-12) -5 (-9) -5 (-9) -7 (-13) -10 (-19) -13 (-24) -14 (-26) -11 (-19)
rainfall iconAverage Precipitation mm (in) -9 (0) +19 (+1) +9 (+0) +16 (+1) +3 (+0) +4 (+0) 0 (0) +22 (+1) +48 (+2) +36 (+1) +34 (+1) -7 (0) +174 (+7)
daylight iconAverage Daylight Hours & Minutes/ Day -1h 31' -0h 55' -0h 10' +0h 38' +1h 20' +1h 42' +1h 32' +0h 56' +0h 08' -0h 39' -1h 21' -1h 42'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () -20.5 -20.6 -20.6 -20.6 -20.3 -16.3 -19.6 -20.2 -20.2 -20.2 -20.3 -20.4   -20
relative humidity iconRelative Humidity (%) +11 +13 +15 +16 +17 +15 +14 +14 +18 +16 +15 +14   +14.8
dewpoint temperature iconAverage Dew Point Temperature C & (F) -11.4 (-21) -10.2 (-18) -9.1 (-16) -7 (-13) -3.9 (-7) -1.8 (-3) +0.2 (+0) -0.3 (-1) -1.6 (-3) -5.3 (-10) -8.6 (-15) -10.3 (-19) -5.8 (-10)

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Rome/ Fiumicino vs Honolulu, Oahu Discussion

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