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Jamestown vs Phoenix, Arizona Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and Phoenix, Arizona, Usa is approximately 12,466 km or 7,746 mi.
  • To reach Jamestown in this distance one would set out from Phoenix, Arizona bearing 95° or E and follow the great circles arc to approach Jamestown bearing 120.2° or ESE .
  • Both have a subtropical hot desert climate (BWh).
  • The mean temperature is 0.8 °C (1.4°F) cooler.
  • Average monthly temperatures vary by 18.2 °C (32.8°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 57.6 mm (2.3 in) less which is equivalent to 57.6 l/m² (1.41 US gal/ft²) or 576,000 l/ha (61,578 US gal/ac) less. About 5/7 as much.
  • The altitude of the sun at midday is overall 13.9° higher in Jamestown than in Phoenix, Arizona.
  • Relative humidity levels are 38.3% higher.
  • The mean dew point temperature is 11.8°C (21.3°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +8 (+15) +6 (+10) +4 (+7) +-2 (-4) -10 (-18) -17 (-30) -19 (-34) -18 (-32) -15 (-27) -8 (-15) +-1 (-1) +5 (+9) -6 (-10)
average temperature iconAverage Temperature °C ( °F) +12 (+22) +10 (+17) +7 (+13) +3 (+5) -4 (-7) -10 (-18) -14 (-26) -13 (-24) -10 (-18) -4 (-6) +4 (+8) +10 (+17) -1 (-1)
minimum temperature iconAverage Min Temperature °C ( °F) +16 (+29) +14 (+25) +13 (+23) +8 (+15) +1 (+2) -5 (-8) -10 (-18) -9 (-17) -6 (-10) +2 (+4) +9 (+15) +14 (+24) +4 (+7)
rainfall iconAverage Precipitation mm (in) -9 (0) -7 (0) -2 (0) +4 (+0) +15 (+1) +15 (+1) +12 (+0) -14 (-1) -17 (-1) -15 (-1) -17 (-1) -22 (-1) -58 (-2)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) 0 ( 0) 0 ( 0) +2 (+6) +1 (+3) +3 (+10) +5 (+17) +4 (+13) -2 ( -6) -1 ( -3) -1 ( -3) -2 ( -7) -2 ( -6)   +7 (+2)
daylight iconAverage Daylight Hours & Minutes/ Day +2h 46' +1h 43' +0h 19' -1h 11' -2h 28' -3h 06' -2h 49' -1h 44' -0h 16' +1h 14' +2h 29' +3h 06'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +48.5 +37.5 +16.7 -6.4 -22.9 -29.3 -23.3 -6.5 +16.4 +38 +48.2 +49.3   +13.9
relative humidity iconRelative Humidity (%) +19 +23 +33 +40 +53 +55 +45 +41 +46 +42 +39 +23   +38.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +16.4 (+30) +15.4 (+28) +17.2 (+31) +16.7 (+30) +16.1 (+29) +12.5 (+23) +1.6 (+3) +0 (+0) +5.5 (+10) +9.8 (+18) +15.5 (+28) +15.3 (+28) +11.8 (+21)

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Jamestown vs Phoenix, Arizona Discussion

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