This site may contain signs of a lockdown.

Compare with: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Vs > Portland, Maine
Usa flag

San Francisco, California vs Portland, Maine Climate & Distance Between

Usa flag
  • The distance between San Francisco, California, Usa and Portland, Maine, Usa is approximately 4,372 km or 2,717 mi.
  • To reach San Francisco, California in this distance one would set out from Portland, Maine bearing 279.6° or W and follow the great circles arc to approach San Francisco, California bearing 244.3° or WSW .
  • San Francisco, California has a Mediterranean warm climate (Csb) whereas Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb).
  • San Francisco, California is in or near the warm temperate dry forest biome whereas Portland, Maine is in or near the cool temperate wet forest biome.
  • The annual mean temperature is 6.6 °C (11.9°F) warmer.
  • Average monthly temperatures vary by 17.7 °C (31.9°F) less in San Francisco, California. The continentality subtype is barely hyperoceanic as opposed to subcontinental.
  • Total annual precipitation averages 625.9 mm (24.6 in) less which is equivalent to 625.9 l/m² (15.36 US gal/ft²) or 6,259,000 l/ha (669,129 US gal/ac) less. About 4/9 as much.
  • There are 445 more hours of sunlight per year in San Francisco, California. In whichever way circa 1h 13' more per day or about 1 1/6 as many.
  • The altitude of the sun at midday is overall 6° higher in San Francisco, California than in Portland, Maine.
  • Relative humidity levels are 7.5% higher.
  • The mean dew point temperature is 7.6°C (13.8°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +14 (+25) +15 (+26) +11 (+19) +6 (+12) +2 (+3) -1 (-2) -4 (-7) -3 (-5) +2 (+4) +6 (+12) +9 (+15) +12 (+21) +6 (+10)
average temperature iconAverage Temperature °C ( °F) +16 (+28) +16 (+29) +11 (+20) +7 (+12) +3 (+5) -1 (-1) -3 (-6) -2 (-4) +3 (+5) +7 (+12) +9 (+16) +13 (+23) +7 (+12)
minimum temperature iconAverage Min Temperature °C ( °F) +17 (+30) +18 (+32) +12 (+21) +7 (+13) +4 (+6) +0 (+0) -2 (-4) -1 (-2) +4 (+6) +8 (+14) +9 (+17) +14 (+25) +7 (+13)
rainfall iconAverage Precipitation mm (in) +21 (+1) -4 (0) -16 (-1) -69 (-3) -87 (-3) -85 (-3) -78 (-3) -72 (-3) -73 (-3) -68 (-3) -59 (-2) -37 (-1) -626 (-25)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -1 ( -3) -1 ( -4) -3 ( -10) -6 ( -20) -10 ( -32) -11 ( -37) -9.5 ( -31) -9.5 ( -31) -9 ( -30) -5 ( -16) -4 ( -13) -1 ( -3)   -70 ( -19)
sunshine iconAverage Sunlight Hours/ Day +0h 17' +0h 57' +1h 58' +2h 52' +2h 07' +1h 48' -0h 38' -0h 30' +1h 20' +1h 17' +2h 04' +1h 09'   +1h 13'
daylight iconAverage Daylight Hours & Minutes/ Day +0h 34' +0h 20' +0h 03' -0h 14' -0h 29' -0h 38' -0h 34' -0h 20' -0h 03' +0h 14' +0h 30' +0h 38'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +6.1 +6 +6.1 +6 +6.1 +6 +6 +6 +6 +6 +6 +6   +6
relative humidity iconRelative Humidity (%) +11 +10 +6 +8 +8 +4 +9 +9 +5 +5 +4 +12   +7.6
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +16.4 (+30) +16.6 (+30) +11.3 (+20) +8.1 (+15) +4.4 (+8) +0.5 (+1) -0.9 (-2) +0.3 (+1) +4.1 (+7) +7.7 (+14) +9.2 (+17) +14 (+25) +7.6 (+14)

There are so many comparison pages. Please post a link to one to help people find them:

San Francisco, California vs Portland, Maine 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.

Comments are off.


Compare with: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

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 -