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Vs > San Francisco, California
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Jamestown vs San Francisco, California Climate & Distance Between

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  • The distance between Jamestown, Saint Helena and San Francisco, California, Usa is approximately 13,412 km or 8,334 mi.
  • To reach Jamestown in this distance one would set out from San Francisco, California bearing 86.9° or E and follow the great circles arc to approach Jamestown bearing 124.7° or SE .
  • Jamestown has a subtropical hot desert climate (BWh) whereas San Francisco, California has a Mediterranean warm climate (Csb).
  • The mean annual temperature is 7.8 °C (14.1°F) warmer.
  • Average monthly temperatures vary by 4.8 °C (8.6°F) less in Jamestown. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 363.4 mm (14.3 in) less which is equivalent to 363.4 l/m² (8.92 US gal/ft²) or 3,634,000 l/ha (388,499 US gal/ac) less. About 2/7 as much.
  • The altitude of the sun at midday is overall 18.1° higher in Jamestown than in San Francisco, California.
  • Relative humidity levels are 1.3% higher.
  • The mean dew point temperature is 7.8°C (14°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +14 (+25) +12 (+21) +12 (+22) +9 (+17) +5 (+9) +2 (+3) +0 (0) +0 (-1) +-1 (-2) +2 (+3) +6 (+11) +11 (+19) +6 (+11)
average temperature iconAverage Temperature °C ( °F) +15 (+26) +13 (+23) +12 (+22) +11 (+20) +8 (+14) +5 (+8) +3 (+5) +2 (+4) +2 (+3) +4 (+7) +8 (+15) +12 (+22) +8 (+14)
minimum temperature iconAverage Min Temperature °C ( °F) +16 (+28) +14 (+25) +14 (+26) +13 (+23) +9 (+17) +7 (+12) +5 (+9) +4 (+8) +4 (+7) +7 (+13) +10 (+17) +13 (+24) +10 (+17)
rainfall iconAverage Precipitation mm (in) -103 (-4) -71 (-3) -58 (-2) -25 (-1) +13 (+1) +15 (+1) +32 (+1) +9 (+0) 0 (0) -29 (-1) -73 (-3) -76 (-3) -363 (-14)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -7 ( -23) -6 ( -21) -4 ( -13) -3 ( -10) +1 (+3) +5 (+17) +7.5 (+24) +2.5 (+8) +1 (+3) -3 ( -10) -7 ( -23) -9 ( -29)   -22 ( -6)
daylight iconAverage Daylight Hours & Minutes/ Day +3h 06' +1h 56' +0h 21' -1h 20' -2h 45' -3h 28' -3h 09' -1h 56' -0h 18' +1h 23' +2h 47' +3h 29'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +52.6 +41.7 +20.9 -2.2 -18.8 -25.1 -19.1 -2.3 +20.5 +42.2 +52.4 +53.5   +18.1
relative humidity iconRelative Humidity (%) -12 -6 -2 -1 +6 +7 +5 +7 +9 +7 +4 -9   +1.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +11.4 (+21) +10.9 (+20) +11.1 (+20) +10.1 (+18) +8.5 (+15) +6 (+11) +3.8 (+7) +3.7 (+7) +3.7 (+7) +5.3 (+10) +8.8 (+16) +9.8 (+18) +7.8 (+14)

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Jamestown vs San Francisco, California Discussion

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