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Jamestown vs Philadelphia, Pennsylvania Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Philadelphia, Pennsylvania, Usa is approximately 9,483 km or 5,893 mi.
  • To reach Jamestown in this distance one would set out from Philadelphia, Pennsylvania bearing 115.3° or ESE and follow the great circles arc to approach Jamestown bearing 133.8° or SE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas Philadelphia, Pennsylvania has a humid subtropical climate (Cfa).
  • The mean temperature is 9.4 °C (17°F) warmer.
  • Average monthly temperatures vary by 21.7 °C (39.1°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 914.8 mm (36 in) less which is equivalent to 914.8 l/m² (22.45 US gal/ft²) or 9,148,000 l/ha (977,982 US gal/ac) less. About 1/8 as much.
  • The altitude of the sun at midday is overall 20.4° higher in Jamestown than in Philadelphia, Pennsylvania.
  • Relative humidity levels are 15% higher.
  • The mean dew point temperature is 12.3°C (22.2°F) higher.

Climate Comparison Table

The table shows values for Jamestown relative to Philadelphia, Pennsylvania. You can also view this comparison the other way around from the perspective of Philadelphia, Pennsylvania vs Jamestown.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +24 (+43) +22 (+40) +17 (+31) +10 (+18) +1 (+2) -5 (-8) -8 (-15) -7 (-13) -3 (-6) +4 (+7) +10 (+18) +18 (+32) +7 (+12)
average temperature iconAverage Temperature °C ( °F) +25 (+45) +23 (+42) +18 (+33) +13 (+23) +5 (+9) -1 (-2) -5 (-9) -4 (-8) 0 (0) +6 (+12) +13 (+23) +20 (+36) +9 (+17)
minimum temperature iconAverage Min Temperature °C ( °F) +26 (+47) +25 (+45) +21 (+38) +15 (+28) +8 (+14) +1 (+3) -3 (-5) -2 (-4) +2 (+4) +10 (+18) +15 (+27) +21 (+38) +12 (+21)
rainfall iconAverage Precipitation mm (in) -74 (-3) -61 (-2) -68 (-3) -82 (-3) -77 (-3) -77 (-3) -76 (-3) -87 (-3) -82 (-3) -65 (-3) -85 (-3) -83 (-3) -915 (-36)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -8 ( -26) -5 ( -18) -7 ( -23) -8 ( -27) -7 ( -23) -4 ( -13) -2 ( -6) -7 ( -23) -7 ( -23) -7 ( -23) -9 ( -30) -9 ( -29)   -80 ( -22)
daylight iconAverage Daylight Hours & Minutes/ Day +3h 18' +2h 03' +0h 22' -1h 25' -2h 56' -3h 42' -3h 21' -2h 03' -0h 19' +1h 28' +2h 58' +3h 42'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +54.9 +44 +23.2 +0.1 -16.5 -22.9 -16.9 -0.1 +22.8 +44.4 +54.6 +55.8   +20.4
relative humidity iconRelative Humidity (%) +2 +8 +11 +16 +21 +19 +21 +21 +20 +19 +16 +6   +15
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +23.2 (+42) +23.2 (+42) +19.5 (+35) +16 (+29) +9.7 (+17) +3.7 (+7) +0.6 (+1) +1 (+2) +4.6 (+8) +10.6 (+19) +16 (+29) +19.6 (+35) +12.3 (+22)

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Jamestown vs Philadelphia, Pennsylvania Discussion

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