Vs > Shannon
 | Jamestown vs Shannon Climate & Distance Between |  |
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- The distance between Jamestown, Saint Helena and Shannon, Ireland is approximately 7,636 km or 4,745 mi.
- To reach Jamestown in this distance one would set out from Shannon bearing 176.7° or S
and follow the great circles arc to approach Jamestown bearing 177.9° or S .
- Jamestown has a subtropical hot desert climate (BWh) whereas Shannon has a marine west coast climate (Cfb).
- The mean temperature is 11.7 °C (21.1°F) warmer.
- Average monthly temperatures vary by 6 °C (10.8°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
- Total annual precipitation averages 790 mm (31.1 in) less which is equivalent to 790 l/m² (19.39 US gal/ft²) or 7,900,000 l/ha (844,562 US gal/ac) less. About 1/7 as much.
- The altitude of the sun at midday is overall 33.2° higher in Jamestown than in Shannon.
- Relative humidity levels are 16.5% lower.
- The mean dew point temperature is 8.1°C (14.6°F) higher.
Climate Comparison Table
The table shows values for Jamestown relative to Shannon. You can also view this comparison the other way around from the perspective of Shannon vs Jamestown.
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+19 (+34) |
+19 (+33) |
+18 (+32) |
+14 (+26) |
+9 (+16) |
+5 (+9) |
+3 (+5) |
+3 (+5) |
+5 (+9) |
+9 (+16) |
+13 (+23) |
+15 (+27) |
|
+11 (+19) |
 | Average Temperature °C ( °F) |
+19 (+33) |
+18 (+33) |
+17 (+31) |
+15 (+28) |
+11 (+19) |
+7 (+13) |
+5 (+8) |
+5 (+8) |
+7 (+12) |
+9 (+16) |
+13 (+24) |
+16 (+28) |
|
+12 (+21) |
 | Average Min Temperature °C ( °F) |
+18 (+33) |
+18 (+33) |
+18 (+33) |
+16 (+29) |
+12 (+21) |
+8 (+14) |
+5 (+9) |
+5 (+10) |
+7 (+12) |
+10 (+18) |
+14 (+24) |
+15 (+28) |
|
+12 (+22) |
 | Average Precipitation mm (in) |
-90 (-4) |
-61 (-2) |
-51 (-2) |
-46 (-2) |
-42 (-2) |
-45 (-2) |
-24 (-1) |
-72 (-3) |
-77 (-3) |
-91 (-4) |
-95 (-4) |
-96 (-4) |
|
-790 (-31) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-16 ( -52) |
-12 ( -42) |
-11 ( -35) |
-13 ( -43) |
-11 ( -35) |
-10 ( -33) |
-11 ( -35) |
-16 ( -52) |
-17 ( -57) |
-17 ( -55) |
-19 ( -63) |
-23 ( -74) |
|
-176 ( -48) |
 | Average Daylight Hours & Minutes/ Day |
+4h 50' |
+2h 57' |
+0h 32' |
-2h 02' |
-4h 16' |
-5h 27' |
-4h 55' |
-2h 58' |
-0h 27' |
+2h 06' |
+4h 19' |
+5h 27' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+67.7 |
+56.8 |
+36.1 |
+13 |
-3.6 |
-10 |
-4.1 |
+12.7 |
+35.5 |
+57.1 |
+67.4 |
+68.6 |
| +33.2 |
 | Relative Humidity (%) |
-28 |
-26 |
-23 |
-17 |
-7 |
-8 |
-8 |
-9 |
-11 |
-17 |
-19 |
-25 |
|
-16.5 |
 | Average Dew Point Temperature °C & (°F) |
+12.4 (+22) |
+12.8 (+23) |
+11.8 (+21) |
+11.2 (+20) |
+9 (+16) |
+5.3 (+10) |
+2.8 (+5) |
+2.8 (+5) |
+4.2 (+8) |
+5.4 (+10) |
+9.6 (+17) |
+10.1 (+18) |
|
+8.1 (+15) |
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Jamestown vs Shannon 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 Shannon
| - Malin Head, Ireland - 314 kms (195.1 miles) NNE
- Ballykelly, Northern Ireland, Uk - 291.1 kms (180.9 miles) NNE
- Belfast-Aldergrove, Uk - 281.1 kms (174.7 miles) NE
- Belfast, Northern Ireland, Uk - 280.4 kms (174.2 miles) NE
- Clones, Ireland - 201.8 kms (125.4 miles) NNE
- Collooney, Sligo, Ireland - 167.8 kms (104.3 miles) N
- Douglas, Isle Of Man, Uk - 336.8 kms (209.3 miles) ENE
- Dublin, Ireland - 195.9 kms (121.8 miles) ENE
- Valley, Uk - 299.6 kms (186.2 miles) ENE
- Birr, Offaly, Ireland - 81.4 kms (50.6 miles) ENE
- Kilkenny, Ireland - 109.6 kms (68.1 miles) E
- Aberystwyth, Wales, Uk - 330.4 kms (205.3 miles) E
- Rosslare, Wexford, Ireland - 182.6 kms (113.5 miles) ESE
- Aberporth, Uk - 301.2 kms (187.1 miles) E
- Cork, Ireland - 93.7 kms (58.2 miles) SSE
- Cork (Ap), Ireland - 99 kms (61.5 miles) SSE
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