Vs > Helsinki
 | Jamestown vs Helsinki Climate & Distance Between |  |
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- The distance between Jamestown, Saint Helena and Helsinki, Finland is approximately 8,887 km or 5,522 mi.
- To reach Jamestown in this distance one would set out from Helsinki bearing 209.6° or SSW
 and follow the great circles arc to approach Jamestown bearing 194.8° or SSW .
- Jamestown has a subtropical hot desert climate (BWh) whereas Helsinki has a warm summer continental/ hemiboreal climate with no dry season (Dfb).
- The mean temperature is 17 °C (30.6°F) warmer.
- Average monthly temperatures vary by 20 °C (36°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
- Total annual precipitation averages 551 mm (21.7 in) less which is equivalent to 551 l/m² (13.52 US gal/ft²) or 5,510,000 l/ha (589,056 US gal/ac) less. About 1/5 as much.
- The altitude of the sun at midday is overall 40.6° higher in Jamestown than in Helsinki.
- Relative humidity levels are 10.3% lower.
- The mean dew point temperature is 14.4°C (25.9°F) higher.
Climate Comparison Table
The table shows values for Jamestown relative to Helsinki. You can also view this comparison the other way around from the perspective of Helsinki vs Jamestown.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+30 (+54) |
+31 (+56) |
+28 (+50) |
+21 (+38) |
+10 (+18) |
+4 (+7) |
+0 (0) |
+2 (+4) |
+7 (+13) |
+15 (+27) |
+20 (+36) |
+25 (+45) |
|
+16 (+29) |
 | Average Temperature °C ( °F) |
+30 (+54) |
+31 (+55) |
+28 (+50) |
+22 (+39) |
+13 (+23) |
+7 (+13) |
+3 (+5) |
+4 (+7) |
+9 (+15) |
+15 (+26) |
+20 (+36) |
+25 (+45) |
|
+17 (+31) |
 | Average Min Temperature °C ( °F) |
+30 (+54) |
+30 (+54) |
+29 (+52) |
+22 (+40) |
+15 (+27) |
+9 (+16) |
+4 (+7) |
+5 (+9) |
+9 (+16) |
+15 (+27) |
+19 (+34) |
+24 (+43) |
|
+18 (+32) |
 | Average Precipitation mm (in) |
-48 (-2) |
-32 (-1) |
-16 (-1) |
-34 (-1) |
-23 (-1) |
-33 (-1) |
-35 (-1) |
-62 (-2) |
-66 (-3) |
-71 (-3) |
-68 (-3) |
-63 (-2) |
|
-551 (-22) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-16 ( -52) |
-14 ( -50) |
-9 ( -29) |
-10 ( -33) |
-8 ( -26) |
-7 ( -23) |
-6 ( -19) |
-12 ( -39) |
-13 ( -43) |
-17 ( -55) |
-19 ( -63) |
-19 ( -61) |
|
-150 ( -41) |
 | Average Daylight Hours & Minutes/ Day |
+6h 25' |
+3h 49' |
+0h 41' |
-2h 36' |
-5h 35' |
-7h 19' |
-6h 31' |
-3h 49' |
-0h 35' |
+2h 42' |
+5h 40' |
+7h 19' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+75.2 |
+64.3 |
+43.6 |
+20.4 |
+3.8 |
-2.6 |
+3.3 |
+20.1 |
+42.9 |
+64.5 |
+74.8 |
+76 |
| +40.6 |
 | Relative Humidity (%) |
-26 |
-23 |
-14 |
-10 |
+8 |
+8 |
+4 |
-1 |
-10 |
-17 |
-17 |
-26 |
|
-10.3 |
 | Average Dew Point Temperature °C & (°F) |
+23.8 (+43) |
+25 (+45) |
+23.2 (+42) |
+18.3 (+33) |
+14.1 (+25) |
+8.5 (+15) |
+3.2 (+6) |
+3.6 (+6) |
+6.3 (+11) |
+11 (+20) |
+16.3 (+29) |
+19.2 (+35) |
|
+14.4 (+26) |
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Jamestown vs Helsinki Discussion
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Climate Guides for Locations near Jamestown
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