Vs > Mariehamn, Åland Islands
 | Jamestown vs Mariehamn, Åland Islands Climate & Distance Between |  |
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- The distance between Jamestown, Saint Helena and Mariehamn, Åland Islands, Finland is approximately 8,762 km or 5,445 mi.
- To reach Jamestown in this distance one would set out from Mariehamn, Åland Islands bearing 205.1° or SSW
and follow the great circles arc to approach Jamestown bearing 192.7° or SSW .
- Jamestown has a subtropical hot desert climate (BWh) whereas Mariehamn, Åland Islands has a warm summer continental/ hemiboreal climate with no dry season (Dfb).
- The mean annual temperature is 16.4 °C (29.6°F) warmer.
- Average monthly temperatures vary by 17.5 °C (31.5°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
- Total annual precipitation averages 421 mm (16.6 in) less which is equivalent to 421 l/m² (10.33 US gal/ft²) or 4,210,000 l/ha (450,077 US gal/ac) less. About 1/4 as much.
- The altitude of the sun at midday is overall 40.6° higher in Jamestown than in Mariehamn, Åland Islands.
- Relative humidity levels are 6.1% lower.
- The mean dew point temperature is 14.5°C (26.2°F) higher.
Climate Comparison Table
The table shows values for Jamestown relative to Mariehamn, Åland Islands. You can also view this comparison the other way around from the perspective of Mariehamn, Åland Islands vs Jamestown.
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+28 (+50) |
+29 (+52) |
+27 (+49) |
+21 (+38) |
+12 (+22) |
+6 (+11) |
+1 (+2) |
+2 (+4) |
+7 (+13) |
+14 (+25) |
+18 (+32) |
+22 (+40) |
|
+16 (+28) |
 | Average Temperature °C ( °F) |
+28 (+50) |
+29 (+52) |
+27 (+48) |
+22 (+39) |
+15 (+26) |
+9 (+15) |
+4 (+6) |
+4 (+7) |
+9 (+15) |
+14 (+24) |
+18 (+32) |
+22 (+40) |
|
+16 (+30) |
 | Average Min Temperature °C ( °F) |
+27 (+49) |
+29 (+52) |
+28 (+50) |
+22 (+40) |
+16 (+29) |
+10 (+18) |
+5 (+9) |
+5 (+9) |
+9 (+16) |
+14 (+25) |
+17 (+31) |
+21 (+38) |
|
+17 (+30) |
 | Average Precipitation mm (in) |
-40 (-2) |
-21 (-1) |
-6 (0) |
-23 (-1) |
-14 (-1) |
-19 (-1) |
-12 (0) |
-56 (-2) |
-59 (-2) |
-55 (-2) |
-62 (-2) |
-54 (-2) |
|
-421 (-17) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-16 ( -52) |
-12 ( -42) |
-8 ( -26) |
-9 ( -30) |
-6 ( -19) |
-5 ( -17) |
-4 ( -13) |
-10 ( -32) |
-14 ( -47) |
-17 ( -55) |
-19 ( -63) |
-19 ( -61) |
|
-139 ( -38) |
 | Average Daylight Hours & Minutes/ Day |
+6h 24' |
+3h 48' |
+0h 41' |
-2h 36' |
-5h 35' |
-7h 18' |
-6h 30' |
-3h 49' |
-0h 35' |
+2h 41' |
+5h 39' |
+7h 18' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+75.1 |
+64.2 |
+43.5 |
+20.4 |
+3.8 |
-2.6 |
+3.3 |
+20 |
+42.9 |
+64.5 |
+74.7 |
+75.9 |
| +40.6 |
 | Relative Humidity (%) |
-24 |
-17 |
-12 |
-6 |
+9 |
+7 |
+7 |
+6 |
+1 |
-7 |
-14 |
-23 |
|
-6.1 |
 | Average Dew Point Temperature °C & (°F) |
+21.6 (+39) |
+24.3 (+44) |
+22.5 (+41) |
+19 (+34) |
+15.8 (+28) |
+9.7 (+17) |
+4.8 (+9) |
+5.1 (+9) |
+8.4 (+15) |
+11.7 (+21) |
+14.9 (+27) |
+16.6 (+30) |
|
+14.5 (+26) |
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Jamestown vs Mariehamn, Åland Islands Discussion
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Climate Guides for Locations near Jamestown
Climate Guides for Locations near Mariehamn
| - Vaasa, Finland - 340.8 kms (211.8 miles) NNE
- Kankaanp (Niinisalo), Finland - 237.3 kms (147.4 miles) NE
- Tampere, Finland - 257.9 kms (160.3 miles) NE
- Jokioinen, Finland - 212.1 kms (131.8 miles) ENE
- Turku, Finland - 137.7 kms (85.6 miles) ENE
- Helsinki, Vantaa, Finland - 280.7 kms (174.4 miles) E
- Helsinki, Finland - 261.1 kms (162.3 miles) E
- Tallin, Estonia - 275.2 kms (171 miles) ESE
- Vilsandi, Estonia - 221.4 kms (137.6 miles) SSE
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