Vs > Decimomannu
Saint Helena flag

Jamestown vs Decimomannu Climate & Distance Between

Italy flag
  • 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
maximum temperature iconAverage 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 iconAverage 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)
minimum temperature iconAverage 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)
rainfall iconAverage 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)
daylight iconAverage 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 iconSun 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 iconRelative Humidity (%) -15 -10 -8 -5 +4 +8 +12 +12 +6 -1 -6 -15   -1.5
dewpoint temperature iconAverage 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)

Url to share!

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.

Currently under general maintenance.

Climate Guides for Locations near Jamestown

Climate Guides for Locations near Decimomannu


Countries A-Z:         A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | W | Y | Z
Bright Future Dir.

© 2009 - 2015 climatemps.com - Sitemap - Contact Us - Privacy Policy -