Vs > Civitavecchia
 | Portland, Oregon vs Civitavecchia Climate & Distance Between |  |
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- The distance between Portland, Oregon, Usa and Civitavecchia, Italy is approximately 9,276 km or 5,764 mi.
- To reach Portland, Oregon in this distance one would set out from Civitavecchia bearing 329.8° or NNW
 and follow the great circles arc to approach Portland, Oregon bearing 212.3° or SSW .
- Portland, Oregon has a Mediterranean warm climate (Csb) whereas Civitavecchia has a Mediterranean hot climate (Csa).
- Portland, Oregon is in or near the warm temperate moist forest biome whereas Civitavecchia is in or near the warm temperate dry forest biome.
- The annual mean temperature is 4.3 °C (7.7°F) cooler.
- Average monthly temperatures vary by 2.3 °C (4.1°F) more in Portland, Oregon. The continentality subtype is truly oceanic for both.
- Total annual precipitation averages 259.1 mm (10.2 in) more which is equivalent to 259.1 l/m² (6.36 US gal/ft²) or 2,591,000 l/ha (276,995 US gal/ac) more. About 1 2/5 as much.
- The altitude of the sun at midday is overall 3.6° lower in Portland, Oregon than in Civitavecchia.
- Relative humidity levels are 3.1% lower.
- The mean dew point temperature is 5°C (8.9°F) lower.
Climate Comparison Table
The table shows values for Portland, Oregon relative to Civitavecchia. You can also view this comparison the other way around from the perspective of Civitavecchia vs Portland, Oregon.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-5 (-10) |
-3 (-5) |
-1 (-2) |
-1 (-1) |
-1 (-1) |
0 (-1) |
0 (+0) |
0 (0) |
-1 (-2) |
-4 (-6) |
-6 (-10) |
-6 (-11) |
|
-2 (-4) |
 | Average Temperature °C ( °F) |
-6 (-10) |
-4 (-7) |
-3 (-5) |
-3 (-5) |
-3 (-6) |
-3 (-5) |
-3 (-6) |
-3 (-6) |
-4 (-8) |
-6 (-10) |
-6 (-11) |
-6 (-12) |
|
-4 (-8) |
 | Average Min Temperature °C ( °F) |
-6 (-11) |
-5 (-9) |
-5 (-9) |
-5 (-10) |
-6 (-11) |
-6 (-11) |
-7 (-12) |
-7 (-12) |
-7 (-13) |
-8 (-14) |
-7 (-12) |
-7 (-12) |
|
-6 (-11) |
 | Average Precipitation mm (in) |
+42 (+2) |
+27 (+1) |
+40 (+2) |
+8 (+0) |
+11 (+0) |
+19 (+1) |
+7 (+0) |
+2 (+0) |
-11 (0) |
-15 (-1) |
+47 (+2) |
+84 (+3) |
|
+259 (+10) |
 | Average Daylight Hours & Minutes/ Day |
-0h 22' |
-0h 13' |
-0h 02' |
+0h 09' |
+0h 19' |
+0h 25' |
+0h 22' |
+0h 13' |
+0h 02' |
-0h 09' |
-0h 20' |
-0h 25' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-3.5 |
-3.4 |
-3.5 |
-3.4 |
-3.5 |
-3.6 |
-3.7 |
-3.7 |
-3.7 |
-3.7 |
-3.7 |
-3.6 |
| -3.6 |
 | Relative Humidity (%) |
+7 |
+5 |
-1 |
-11 |
-13 |
-12 |
-13 |
-12 |
-7 |
+2 |
+7 |
+10 |
|
-3.2 |
 | Average Dew Point Temperature °C & (°F) |
-4.2 (-8) |
-2.7 (-5) |
-3.2 (-6) |
-5.2 (-9) |
-6.1 (-11) |
-5.7 (-10) |
-6.3 (-11) |
-6.1 (-11) |
-5.6 (-10) |
-5.2 (-9) |
-4.7 (-8) |
-4.4 (-8) |
|
-5 (-9) |
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Portland, Oregon vs Civitavecchia Discussion
You are welcome to incorporate your thoughts on the differences in climate or other matters such as contrasts in culture, standard of living, demographics etc.
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