Vs > Civitavecchia
 | Jamestown vs Civitavecchia Climate & Distance Between |  |
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- The distance between Jamestown, Saint Helena and Civitavecchia, Italy is approximately 6,691 km or 4,158 mi.
- To reach Jamestown in this distance one would set out from Civitavecchia bearing 199.5° or SSW
and follow the great circles arc to approach Jamestown bearing 195° or SSW .
- Jamestown has a subtropical hot desert climate (BWh) whereas Civitavecchia has a Mediterranean hot climate (Csa).
- The annual mean temperature is 5.5 °C (10°F) warmer.
- Average monthly temperatures vary by 9.8 °C (17.6°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to truly oceanic.
- Total annual precipitation averages 525.8 mm (20.7 in) less which is equivalent to 525.8 l/m² (12.9 US gal/ft²) or 5,258,000 l/ha (562,115 US gal/ac) less. About 1/5 as much.
- The altitude of the sun at midday is overall 22.5° higher in Jamestown than in Civitavecchia.
- Relative humidity levels are 3.2% lower.
- The mean dew point temperature is 4.6°C (8.2°F) higher.
Climate Comparison Table
The table shows values for Jamestown relative to Civitavecchia. You can also view this comparison the other way around from the perspective of Civitavecchia vs Jamestown.
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+14 (+26) |
+14 (+25) |
+13 (+24) |
+10 (+19) |
+4 (+7) |
+-1 (-1) |
-5 (-8) |
-5 (-9) |
-3 (-5) |
+2 (+3) |
+6 (+11) |
+10 (+18) |
|
+5 (+9) |
 | Average Temperature °C ( °F) |
+14 (+25) |
+14 (+25) |
+12 (+22) |
+10 (+19) |
+5 (+8) |
+0 (+1) |
-3 (-6) |
-4 (-7) |
-2 (-3) |
+2 (+3) |
+7 (+13) |
+11 (+20) |
|
+6 (+10) |
 | Average Min Temperature °C ( °F) |
+14 (+25) |
+14 (+24) |
+14 (+24) |
+10 (+19) |
+5 (+8) |
+1 (+1) |
-3 (-6) |
-4 (-6) |
-2 (-3) |
+3 (+5) |
+7 (+12) |
+11 (+20) |
|
+6 (+10) |
 | Average Precipitation mm (in) |
-86 (-3) |
-61 (-2) |
-30 (-1) |
-43 (-2) |
-24 (-1) |
-1 (0) |
+24 (+1) |
-16 (-1) |
-51 (-2) |
-81 (-3) |
-89 (-4) |
-68 (-3) |
|
-526 (-21) |
 | Average Daylight Hours & Minutes/ Day |
+3h 31' |
+2h 10' |
+0h 23' |
-1h 30' |
-3h 07' |
-3h 56' |
-3h 34' |
-2h 11' |
-0h 20' |
+1h 33' |
+3h 09' |
+3h 56' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+57.1 |
+46.2 |
+25.4 |
+2.3 |
-14.3 |
-20.7 |
-14.8 |
+2 |
+24.8 |
+46.5 |
+56.7 |
+57.9 |
| +22.5 |
 | Relative Humidity (%) |
-9 |
-7 |
-8 |
-9 |
-2 |
-2 |
+2 |
+3 |
+3 |
-2 |
-1 |
-7 |
|
-3.3 |
 | Average Dew Point Temperature °C & (°F) |
+11.4 (+21) |
+11.6 (+21) |
+10.1 (+18) |
+7.9 (+14) |
+4.1 (+7) |
+0 (+0) |
-2.9 (-5) |
-3 (-5) |
-1 (-2) |
+1.2 (+2) |
+6.5 (+12) |
+8.9 (+16) |
|
+4.6 (+8) |
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Jamestown vs Civitavecchia Discussion
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Currently under general maintenance. |
Climate Guides for Locations near Jamestown
Climate Guides for Locations near Civitavecchia
| - Frontone, Italy - 180.5 kms (112.1 miles) NNE
- Arezzo, Italy - 158.7 kms (98.6 miles) N
- Perugia, Umbria, Italy - 130.7 kms (81.2 miles) NNE
- Terminillo Mountain, Italy - 106.3 kms (66 miles) ENE
- Viterbo, Italy - 48.7 kms (30.2 miles) NNE
- Preturo, Italy - 126.2 kms (78.4 miles) ENE
- Vigna Di Valle, Italy - 31.7 kms (19.7 miles) E
- Guidonia, Italy - 74.6 kms (46.3 miles) E
- Rome, Italy - 55.9 kms (34.7 miles) E
- Ciampino, Italy - 67 kms (41.6 miles) ESE
- Rome/ Fiumicino, Italy - 42.4 kms (26.3 miles) SE
- Pratica Di Mare, Italy - 66 kms (41 miles) SE
- Frosinone, Italy - 128.9 kms (80.1 miles) ESE
- Latina, Italy - 104.4 kms (64.9 miles) ESE
- Ponza Island, Italy - 155.9 kms (96.9 miles) SE
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