Vs > Cayenne
 | Jamestown vs Cayenne Climate & Distance Between |  |
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- The distance between Jamestown, Saint Helena and Cayenne, French Guiana is approximately 5,627 km or 3,497 mi.
- To reach Jamestown in this distance one would set out from Cayenne bearing 115.2° or ESE
and follow the great circles arc to approach Jamestown bearing 110.3° or ESE .
- Jamestown has a subtropical hot desert climate (BWh) whereas Cayenne has a tropical monsoonal climate (Am).
- The average temperature is 4.9 °C (8.9°F) cooler.
- Average monthly temperatures vary by 2.5 °C (4.5°F) more in Jamestown. The continentality subtype is truly hyperoceanic as opposed to extremely hyperoceanic.
- Total annual precipitation averages 3607 mm (142 in) less which is equivalent to 3607 l/m² (88.52 US gal/ft²) or 36,070,000 l/ha (3,856,122 US gal/ac) less. About 0 as much.
- The altitude of the sun at midday is overall 4° lower in Jamestown than in Cayenne.
- Relative humidity levels are 6.9% lower.
- The mean dew point temperature is 6.3°C (11.3°F) lower.
Climate Comparison Table
The table shows values for Jamestown relative to Cayenne. You can also view this comparison the other way around from the perspective of Cayenne vs Jamestown.
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-2 (-4) |
-2 (-4) |
-1 (-2) |
-3 (-5) |
-5 (-9) |
-8 (-14) |
-9 (-16) |
-10 (-18) |
-10 (-18) |
-9 (-16) |
-8 (-14) |
-6 (-11) |
|
-6 (-11) |
 | Average Temperature °C ( °F) |
-2 (-4) |
-2 (-4) |
-2 (-4) |
-3 (-5) |
-4 (-7) |
-6 (-11) |
-7 (-13) |
-8 (-14) |
-8 (-14) |
-8 (-14) |
-6 (-11) |
-5 (-8) |
|
-5 (-9) |
 | Average Min Temperature °C ( °F) |
-2 (-4) |
-2 (-4) |
-1 (-2) |
-3 (-5) |
-4 (-7) |
-5 (-9) |
-6 (-11) |
-6 (-11) |
-6 (-11) |
-5 (-9) |
-5 (-9) |
-4 (-7) |
|
-4 (-7) |
 | Average Precipitation mm (in) |
-423 (-17) |
-413 (-16) |
-412 (-16) |
-470 (-19) |
-572 (-23) |
-439 (-17) |
-241 (-9) |
-134 (-5) |
-27 (-1) |
-40 (-2) |
-122 (-5) |
-314 (-12) |
|
-3607 (-142) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-19 ( -61) |
-16 ( -57) |
-16 ( -52) |
-16 ( -53) |
-21 ( -68) |
-20 ( -67) |
-13 ( -42) |
-11 ( -35) |
-4 ( -13) |
-4 ( -13) |
-11 ( -37) |
-20 ( -65) |
|
-171 ( -47) |
 | Average Daylight Hours & Minutes/ Day |
+1h 04' |
+0h 40' |
+0h 07' |
-0h 28' |
-0h 57' |
-1h 12' |
-1h 05' |
-0h 40' |
-0h 06' |
+0h 29' |
+0h 58' |
+1h 12' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+20 |
+9.2 |
-11.5 |
-20.7 |
-20.7 |
-20.7 |
-20.8 |
-20.8 |
-12 |
+9.7 |
+19.8 |
+20.8 |
| -4 |
 | Relative Humidity (%) |
-17 |
-13 |
-16 |
-16 |
-11 |
-7 |
-1 |
+5 |
+6 |
+3 |
-2 |
-14 |
|
-6.9 |
 | Average Dew Point Temperature °C & (°F) |
-5.8 (-10) |
-4.9 (-9) |
-5.5 (-10) |
-6.5 (-12) |
-6.2 (-11) |
-7.2 (-13) |
-7 (-13) |
-6.2 (-11) |
-5.9 (-11) |
-6.5 (-12) |
-6.2 (-11) |
-7.5 (-14) |
|
-6.3 (-11) |
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Jamestown vs Cayenne 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 Cayenne
- Georgetown, Guyana - 676.1 kms (420.1 miles) WNW
- Timehri, Guyana - 676.8 kms (420.6 miles) WNW
- Paramaribo, Suriname - 330 kms (205 miles) WNW
- St. Laurent, French Guiana - 198.1 kms (123.1 miles) WNW
- Maripasoula, French Guiana - 227 kms (141.1 miles) SW
- Tirios, Brazil - 492 kms (305.7 miles) SW
- Obidos, Brazil - 828.1 kms (514.6 miles) SSW
- Monte Alegre, Brazil - 783.4 kms (486.8 miles) SSW
- Santarem, Brazil - 846.8 kms (526.2 miles) SSW
- Belterra, Brazil - 878.5 kms (545.9 miles) SSW
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