Vs > Semnan
 | Jamestown vs Semnan Climate & Distance Between |  |
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- The distance between Jamestown, Saint Helena and Semnan, Iran is approximately 8,453 km or 5,252 mi.
- To reach Jamestown in this distance one would set out from Semnan bearing 238.3° or WSW
and follow the great circles arc to approach Jamestown bearing 226° or SW .
- Both have a subtropical hot desert climate (BWh).
- The mean temperature is 3.4 °C (6.2°F) warmer.
- Average monthly temperatures vary by 24.6 °C (44.3°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to truly continental.
- Total annual precipitation averages 2.5 mm (0.1 in) less which is equivalent to 2.5 l/m² (0.06 US gal/ft²) or 25,000 l/ha (2,673 US gal/ac) less. About 1 as much.
- The altitude of the sun at midday is overall 16.1° higher in Jamestown than in Semnan.
- Relative humidity levels are 27.8% higher.
- The mean dew point temperature is 11.6°C (20.8°F) higher.
Climate Comparison Table
The table shows values for Jamestown relative to Semnan. You can also view this comparison the other way around from the perspective of Semnan vs Jamestown.
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Temperature °C ( °F) |
+20 (+37) |
+18 (+33) |
+13 (+23) |
+6 (+10) |
-2 (-4) |
-9 (-16) |
-12 (-22) |
-11 (-20) |
-7 (-12) |
+1 (+1) |
+9 (+16) |
+16 (+29) |
|
+3 (+6) |
 | Average Precipitation mm (in) |
-14 (-1) |
-11 (0) |
-3 (0) |
-4 (0) |
+3 (+0) |
+15 (+1) |
+31 (+1) |
+7 (+0) |
+4 (+0) |
-6 (0) |
-9 (0) |
-17 (-1) |
|
-2 (0) |
 | Average Daylight Hours & Minutes/ Day |
+2h 56' |
+1h 50' |
+0h 20' |
-1h 16' |
-2h 36' |
-3h 17' |
-2h 59' |
-1h 50' |
-0h 17' |
+1h 18' |
+2h 38' |
+3h 17' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+50.7 |
+39.8 |
+19.1 |
-4.1 |
-20.7 |
-27.1 |
-21.2 |
-4.5 |
+18.3 |
+40 |
+50.3 |
+51.5 |
| +16.1 |
 | Relative Humidity (%) |
+0 |
+9 |
+16 |
+27 |
+37 |
+44 |
+46 |
+47 |
+45 |
+33 |
+24 |
+5 |
|
+27.8 |
 | Average Dew Point Temperature °C & (°F) |
+19 (+34) |
+18.9 (+34) |
+15.9 (+29) |
+13.2 (+24) |
+9.1 (+16) |
+6.5 (+12) |
+3.8 (+7) |
+4.8 (+9) |
+7.6 (+14) |
+9.6 (+17) |
+14.2 (+26) |
+16.2 (+29) |
|
+11.6 (+21) |
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Jamestown vs Semnan 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.
Currently under general maintenance. |
Climate Guides for Locations near Jamestown
Climate Guides for Locations near Semnan
- Turkmenbashy, Turkmenistan - 498 kms (309.5 miles) N
- Lankaran, Azerbaijan - 536.2 kms (333.2 miles) NW
- Astara, Azerbaijan - 513.3 kms (319 miles) NW
- Bandar Anzali, Iran - 411.6 kms (255.8 miles) WNW
- Rasht, Iran - 390.7 kms (242.8 miles) WNW
- Ramsar, Iran - 286.8 kms (178.2 miles) WNW
- Babolsar, Iran - 143.6 kms (89.2 miles) NNW
- Zanjan, Iran - 459.6 kms (285.6 miles) WNW
- Teheran, Iran - 190.1 kms (118.1 miles) W
- Arak, Iran - 372 kms (231.2 miles) WSW
- Khoram Abad, Iran - 527.5 kms (327.8 miles) WSW
- Esfahan, Iran - 375.5 kms (233.4 miles) SSW
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