Vs > Jamestown
 | Portalegre vs Jamestown Climate & Distance Between |  |
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- The distance between Portalegre, Portugal and Jamestown, Saint Helena is approximately 6,141 km or 3,816 mi.
- To reach Portalegre in this distance one would set out from Jamestown bearing 358.4° or N
 and follow the great circles arc to approach Portalegre bearing 358° or N .
- Portalegre has a Mediterranean hot climate (Csa) whereas Jamestown has a subtropical hot desert climate (BWh).
- The average temperature is 6.7 °C (12.1°F) cooler.
- Average monthly temperatures vary by 10.8 °C (19.4°F) more in Portalegre. The continentality subtype is truly oceanic as opposed to truly hyperoceanic.
- Total annual precipitation averages 751 mm (29.6 in) more which is equivalent to 751 l/m² (18.43 US gal/ft²) or 7,510,000 l/ha (802,869 US gal/ac) more. About 6 1/2 as much.
- The altitude of the sun at midday is overall 19.8° lower in Portalegre than in Jamestown.
- Relative humidity levels are 4.4% lower.
- The mean dew point temperature is 7.6°C (13.7°F) lower.
Climate Comparison Table
The table shows values for Portalegre relative to Jamestown. You can also view this comparison the other way around from the perspective of Jamestown vs Portalegre.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-16 (-28) |
-15 (-26) |
-13 (-24) |
-11 (-19) |
-4 (-6) |
2 (+4) |
+8 (+14) |
+8 (+14) |
+5 (+8) |
-3 (-5) |
-8 (-15) |
-12 (-22) |
|
-5 (-9) |
 | Average Temperature °C ( °F) |
-15 (-28) |
-15 (-27) |
-13 (-24) |
-12 (-21) |
-6 (-12) |
-1 (-2) |
+3 (+6) |
+3 (+6) |
+1 (+3) |
-4 (-6) |
-9 (-17) |
-13 (-23) |
|
-7 (-12) |
 | Average Min Temperature °C ( °F) |
-15 (-28) |
-15 (-27) |
-15 (-27) |
-13 (-23) |
-8 (-15) |
-4 (-7) |
0 (-1) |
0 (0) |
-1 (-1) |
-5 (-10) |
-9 (-17) |
-13 (-23) |
|
-8 (-15) |
 | Average Precipitation mm (in) |
+117 (+5) |
+109 (+4) |
+66 (+3) |
+71 (+3) |
+34 (+1) |
+22 (+1) |
-26 (-1) |
-2 (0) |
+39 (+2) |
+90 (+4) |
+117 (+5) |
+114 (+4) |
|
+751 (+30) |
 | Average Daylight Hours & Minutes/ Day |
-3h 15' |
-2h 01' |
-0h 22' |
+1h 23' |
+2h 53' |
+3h 38' |
+3h 18' |
+2h 01' |
+0h 19' |
-1h 26' |
-2h 55' |
-3h 38' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-54.4 |
-43.4 |
-22.7 |
+0.5 |
+17 |
+23.5 |
+17.5 |
+0.7 |
-22.1 |
-43.8 |
-54 |
-55.2 |
| -19.8 |
 | Relative Humidity (%) |
+14 |
+11 |
+5 |
+4 |
-8 |
-13 |
-24 |
-28 |
-21 |
-6 |
+2 |
+11 |
|
-4.4 |
 | Average Dew Point Temperature °C & (°F) |
-11.7 (-21) |
-11.9 (-21) |
-11.5 (-21) |
-10.2 (-18) |
-7.9 (-14) |
-4.2 (-8) |
-3 (-5) |
-3.8 (-7) |
-3.7 (-7) |
-4.7 (-8) |
-8.6 (-15) |
-10 (-18) |
|
-7.6 (-14) |
There are so many comparison pages. Please post a link to one to help people find them:
Portalegre vs Dunedin, Musselburgh, New Zealand
Portalegre vs Sentani/ Jayapura, Papua, Indonesia
Portalegre vs Aragarcas, Brazil
Portalegre vs Adrian, Mi, Usa
Jamestown vs Tillabery, Niger
Jamestown vs Bvumbwe, Malawi
Jamestown vs Irai, Brazil
Jamestown vs Dabaa, Egypt
Motueka vs Caravelas
Matecana vs San Rafael
Reconquista vs Luling, Tx
Seymour, In vs Visakhapatnam
Portalegre vs Jamestown 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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