Vs > Libreville
 | Portland, Oregon vs Libreville Climate & Distance Between |  |
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Libreville vs Maradi, Niger
Libreville vs Macon, Georgia, Usa
Libreville vs Elkins/ Randolph Co, Wv, Usa
Libreville vs Phnom Penh, Cambodia
Iriomotejima vs Mukteswar/ Kumaon
Monywa vs Eureka, California
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Rize vs Tunis
- The distance between Portland, Oregon, Usa and Libreville, Gabon is approximately 13,072 km or 8,123 mi.
- To reach Portland, Oregon in this distance one would set out from Libreville bearing 324.1° or NW
 and follow the great circles arc to approach Portland, Oregon bearing 236.9° or WSW .
- Portland, Oregon has a Mediterranean warm climate (Csb) whereas Libreville has a tropical monsoonal climate (Am).
- The average temperature is 13.9 °C (25°F) cooler.
- Average monthly temperatures vary by 13.3 °C (23.9°F) more in Portland, Oregon. The continentality subtype is truly oceanic as opposed to extremely hyperoceanic.
- Total annual precipitation averages 1919.8 mm (75.6 in) less which is equivalent to 1919.8 l/m² (47.12 US gal/ft²) or 19,198,000 l/ha (2,052,394 US gal/ac) less. About 1/3 as much.
- There are 257 more hours of sunlight per year in Portland, Oregon. In whichever way circa 0h 41' more per day or about 1 1/7 as many.
- The altitude of the sun at midday is overall 30.3° lower in Portland, Oregon than in Libreville.
- Relative humidity levels are 14.4% lower.
- The mean dew point temperature is 16.6°C (29.9°F) lower.
Climate Comparison Table
The table shows values for Portland, Oregon relative to Libreville. You can also view this comparison the other way around from the perspective of Libreville vs Portland, Oregon.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-22 (-40) |
-19 (-35) |
-17 (-30) |
-14 (-26) |
-10 (-18) |
-4 (-8) |
0 (+0) |
0 (0) |
-4 (-7) |
-10 (-18) |
-17 (-31) |
-21 (-39) |
|
-12 (-21) |
 | Average Temperature °C ( °F) |
-23 (-41) |
-21 (-37) |
-19 (-33) |
-16 (-29) |
-13 (-23) |
-8 (-14) |
-4 (-8) |
-4 (-7) |
-8 (-14) |
-13 (-24) |
-18 (-33) |
-22 (-39) |
|
-14 (-25) |
 | Average Min Temperature °C ( °F) |
-23 (-42) |
-22 (-39) |
-20 (-36) |
-18 (-32) |
-16 (-28) |
-12 (-21) |
-9 (-15) |
-8 (-14) |
-12 (-22) |
-16 (-29) |
-19 (-35) |
-22 (-39) |
|
-16 (-29) |
 | Average Precipitation mm (in) |
-114 (-5) |
-145 (-6) |
-273 (-11) |
-278 (-11) |
-195 (-8) |
-17 (-1) |
+9 (+0) |
+14 (+1) |
-60 (-2) |
-359 (-14) |
-354 (-14) |
-148 (-6) |
|
-1920 (-76) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
+4 (+13) |
0 ( 0) |
0 ( 0) |
-7 ( -23) |
-5 ( -16) |
+6 (+20) |
+2.5 (+8) |
-1 ( -3) |
-7 ( -23) |
-10 ( -32) |
-6 ( -20) |
+3 (+10) |
|
-20.5 ( -6) |
 | Average Sunlight Hours/ Day |
-3h 48' |
-2h 45' |
-1h 29' |
+0h 34' |
+2h 15' |
+2h 40' |
+6h 23' |
+4h 40' |
+4h 04' |
+0h 46' |
-1h 26' |
-3h 40' |
|
+0h 41' |
 | Average Daylight Hours & Minutes/ Day |
-3h 02' |
-1h 52' |
-0h 20' |
+1h 17' |
+2h 41' |
+3h 24' |
+3h 05' |
+1h 52' |
+0h 17' |
-1h 20' |
-2h 43' |
-3h 24' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-44.9 |
-44.5 |
-43.4 |
-22 |
-5.5 |
+0.8 |
-5.3 |
-22.1 |
-43.4 |
-44.8 |
-45 |
-45.1 |
| -30.3 |
 | Relative Humidity (%) |
-7 |
-7 |
-13 |
-21 |
-23 |
-19 |
-22 |
-20 |
-19 |
-11 |
-7 |
-4 |
|
-14.4 |
 | Average Dew Point Temperature °C & (°F) |
-23.4 (-42) |
-21.4 (-39) |
-20.7 (-37) |
-19.8 (-36) |
-17.3 (-31) |
-11.8 (-21) |
-9 (-16) |
-8.3 (-15) |
-11.7 (-21) |
-15 (-27) |
-19 (-34) |
-21.9 (-39) |
|
-16.6 (-30) |
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Portland, Oregon vs Libreville Discussion
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