Vs > Saint Denis, Reunion
 | Porto vs Saint Denis, Reunion Climate & Distance Between |  |
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- The distance between Porto , Portugal and Saint Denis, Reunion, Reunion is approximately 9,545 km or 5,932 mi.
- To reach Porto in this distance one would set out from Saint Denis, Reunion bearing 317.2° or NW
 and follow the great circles arc to approach Porto bearing 302.6° or WNW .
- Porto has a Mediterranean warm climate (Csb) whereas Saint Denis, Reunion has a tropical monsoonal climate (Am).
- The annual average temperature is 9.1 °C (16.4°F) cooler.
- Average monthly temperatures vary by 5.1 °C (9.2°F) more in Porto . The continentality subtype is barely hyperoceanic as opposed to truly hyperoceanic.
- Total annual precipitation averages 274 mm (10.8 in) less which is equivalent to 274 l/m² (6.72 US gal/ft²) or 2,740,000 l/ha (292,924 US gal/ac) less. About 5/6 as much.
- There are 15 more hours of sunlight per year in Porto . In whichever way circa 0h 01' more per day or about 1 as many.
- The altitude of the sun at midday is overall 18.7° lower in Porto than in Saint Denis, Reunion.
- Relative humidity levels are 8.9% higher.
- The mean dew point temperature is 6.9°C (12.4°F) lower.
Climate Comparison Table
The table shows values for Porto relative to Saint Denis, Reunion. You can also view this comparison the other way around from the perspective of Saint Denis, Reunion vs Porto .
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-17 (-30) |
-16 (-28) |
-13 (-23) |
-11 (-19) |
-7 (-13) |
-3 (-6) |
0 (-1) |
0 (0) |
-1 (-2) |
-5 (-9) |
-10 (-19) |
-15 (-27) |
|
-8 (-15) |
 | Average Temperature °C ( °F) |
-17 (-31) |
-16 (-30) |
-15 (-26) |
-12 (-21) |
-8 (-15) |
-4 (-7) |
-1 (-2) |
-1 (-2) |
-2 (-4) |
-6 (-11) |
-11 (-20) |
-16 (-28) |
|
-9 (-16) |
 | Average Min Temperature °C ( °F) |
-18 (-32) |
-17 (-31) |
-16 (-29) |
-13 (-23) |
-9 (-17) |
-5 (-8) |
-2 (-4) |
-2 (-4) |
-3 (-6) |
-8 (-14) |
-12 (-22) |
-16 (-29) |
|
-10 (-18) |
 | Average Precipitation mm (in) |
-92 (-4) |
-47 (-2) |
-178 (-7) |
-48 (-2) |
+8 (+0) |
-22 (-1) |
-54 (-2) |
-27 (-1) |
+17 (+1) |
+87 (+3) |
+57 (+2) |
+25 (+1) |
|
-274 (-11) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-1 ( -3) |
-2 ( -7) |
-1 ( -3) |
0 ( 0) |
-1 ( -3) |
-7 ( -23) |
-12 ( -39) |
-10 ( -32) |
-4 ( -13) |
+3 (+10) |
+5 (+17) |
+2 (+6) |
|
-28 ( -8) |
 | Average Sunlight Hours/ Day |
-3h 11' |
-1h 50' |
-0h 50' |
+0h 54' |
+1h 15' |
+2h 36' |
+3h 25' |
+2h 58' |
+0h 42' |
-0h 52' |
-2h 02' |
-2h 40' |
|
+0h 01' |
 | Average Daylight Hours & Minutes/ Day |
-3h 43' |
-2h 18' |
-0h 25' |
+1h 35' |
+3h 17' |
+4h 09' |
+3h 46' |
+2h 18' |
+0h 21' |
-1h 38' |
-3h 20' |
-4h 09' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-58.2 |
-40.8 |
-19.6 |
+3.6 |
+20.2 |
+26.6 |
+20.6 |
+3.9 |
-18.9 |
-41.2 |
-57.6 |
-61.9 |
| -18.7 |
 | Relative Humidity (%) |
+9 |
+10 |
+0 |
+5 |
+7 |
+10 |
+7 |
+9 |
+11 |
+16 |
+14 |
+9 |
|
+8.9 |
 | Average Dew Point Temperature °C & (°F) |
-14.8 (-27) |
-13.8 (-25) |
-14 (-25) |
-10 (-18) |
-6.5 (-12) |
-1.5 (-3) |
+0.5 (+1) |
+0.9 (+2) |
+0.5 (+1) |
-2.7 (-5) |
-7.9 (-14) |
-13.3 (-24) |
|
-6.9 (-12) |
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Porto vs Saint Denis, Reunion Discussion
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