Vs > Decimomannu
 | Jamestown vs Decimomannu Climate & Distance Between |  |
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- The distance between Jamestown, Saint Helena and Decimomannu, Italy is approximately 6,331 km or 3,934 mi.
- To reach Jamestown in this distance one would set out from Decimomannu bearing 196.9° or SSW
and follow the great circles arc to approach Jamestown bearing 193.5° or SSW .
- Jamestown has a subtropical hot desert climate (BWh) whereas Decimomannu has a Mediterranean hot climate (Csa).
- The annual mean temperature is 5.5 °C (10°F) warmer.
- Average monthly temperatures vary by 11.6 °C (20.9°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to truly oceanic.
- Total annual precipitation averages 346.5 mm (13.6 in) less which is equivalent to 346.5 l/m² (8.5 US gal/ft²) or 3,465,000 l/ha (370,431 US gal/ac) less. About 2/7 as much.
- The altitude of the sun at midday is overall 19.8° higher in Jamestown than in Decimomannu.
- Relative humidity levels are 1.5% lower.
- The mean dew point temperature is 5°C (9°F) higher.
Climate Comparison Table
The table shows values for Jamestown relative to Decimomannu. You can also view this comparison the other way around from the perspective of Decimomannu vs Jamestown.
| |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+13 (+23) |
+12 (+22) |
+12 (+21) |
+8 (+14) |
+0 (+1) |
-5 (-9) |
-10 (-17) |
-9 (-17) |
-6 (-11) |
+0 (-1) |
+5 (+8) |
+9 (+16) |
|
+2 (+4) |
 | Average Temperature °C ( °F) |
+15 (+27) |
+14 (+26) |
+13 (+23) |
+11 (+19) |
+5 (+9) |
0 (-1) |
-5 (-8) |
-5 (-9) |
-2 (-4) |
+2 (+4) |
+8 (+14) |
+12 (+21) |
|
+6 (+10) |
 | Average Min Temperature °C ( °F) |
+17 (+30) |
+16 (+29) |
+16 (+29) |
+14 (+24) |
+8 (+15) |
+3 (+6) |
-1 (-1) |
-1 (-2) |
+1 (+2) |
+5 (+10) |
+10 (+17) |
+13 (+24) |
|
+8 (+15) |
 | Average Precipitation mm (in) |
-40 (-2) |
-56 (-2) |
-32 (-1) |
-37 (-1) |
-6 (0) |
+7 (+0) |
+30 (+1) |
-4 (0) |
-32 (-1) |
-52 (-2) |
-66 (-3) |
-58 (-2) |
|
-347 (-14) |
 | Average Daylight Hours & Minutes/ Day |
+3h 16' |
+2h 01' |
+0h 22' |
-1h 24' |
-2h 53' |
-3h 39' |
-3h 18' |
-2h 01' |
-0h 19' |
+1h 26' |
+2h 55' |
+3h 39' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+54.4 |
+43.5 |
+22.8 |
-0.4 |
-17 |
-23.4 |
-17.4 |
-0.7 |
+22.1 |
+43.8 |
+54.1 |
+55.3 |
| +19.8 |
 | Relative Humidity (%) |
-15 |
-10 |
-8 |
-5 |
+4 |
+8 |
+12 |
+12 |
+6 |
-1 |
-6 |
-15 |
|
-1.5 |
 | Average Dew Point Temperature °C & (°F) |
+10.9 (+20) |
+11.4 (+21) |
+10.6 (+19) |
+9 (+16) |
+5.4 (+10) |
+1.5 (+3) |
-1.6 (-3) |
-2 (-4) |
-0.8 (-1) |
+1.7 (+3) |
+6.2 (+11) |
+8 (+14) |
|
+5 (+9) |
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Jamestown vs Decimomannu 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.
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Climate Guides for Locations near Jamestown
Climate Guides for Locations near Decimomannu
| - Guardiavecchia, Italy - 210.5 kms (130.8 miles) N
- Olbia/ Costa Smerald, Italy - 178.9 kms (111.1 miles) NNE
- Fonni, Italy - 88.3 kms (54.9 miles) NNE
- Cape Bellavista, Italy - 91.1 kms (56.6 miles) NE
- Perdasdefogu, Italy - 54.8 kms (34 miles) NE
- Cagliari, Sardinia, Italy - 13.9 kms (8.6 miles) SE
- Cape Carbonara, Italy - 54.2 kms (33.7 miles) ESE
- Trapani/ Birgi, Italy - 345 kms (214.4 miles) ESE
- Bizerte, Tunisia - 244.1 kms (151.7 miles) SSE
- Tunis, Tunisia - 300.6 kms (186.8 miles) SSE
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