Vs > Cardiff, Wales
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San Juan vs Cardiff, Wales Climate & Distance Between

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  • The distance between San Juan, Puerto Rico and Cardiff, Wales, Uk is approximately 6,527 km or 4,056 mi.
  • To reach San Juan in this distance one would set out from Cardiff, Wales bearing 260.3° or W and follow the great circles arc to approach San Juan bearing 220.4° or SW .
  • San Juan has a tropical monsoonal climate (Am) whereas Cardiff, Wales has a marine west coast climate (Cfb).
  • San Juan is in or near the subtropical moist forest biome whereas Cardiff, Wales is in or near the cool temperate moist forest biome.
  • The average temperature is 15.9 °C (28.7°F) warmer.
  • Average monthly temperatures vary by 8.3 °C (14.9°F) less in San Juan. The continentality subtype is truly hyperoceanic as opposed to truly oceanic.
  • Total annual precipitation averages 667 mm (26.3 in) more which is equivalent to 667 l/m (16.37 US gal/ft) or 6,670,000 l/ha (713,067 US gal/ac) more. About 1 2/3 as much.
  • There are 1276 more hours of sunlight per year in San Juan. In whichever way circa 3h 29' more per day or about 1 5/6 as many.
  • The altitude of the sun at midday is overall 31.4° higher in San Juan than in Cardiff, Wales.
  • Relative humidity levels are 4.8% lower.
  • The mean dew point temperature is 14.5°C (26.1°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +20 (+36) +21 (+38) +19 (+34) +17 (+31) +15 (+27) +13 (+23) +11 (+20) +11 (+20) +14 (+24) +17 (+30) +20 (+36) +20 (+36) +16 (+30)
average temperature iconAverage Temperature °C ( °F) +19 (+34) +19 (+35) +18 (+33) +17 (+31) +15 (+27) +13 (+23) +11 (+20) +11 (+20) +13 (+23) +16 (+29) +19 (+34) +19 (+34) +16 (+29)
minimum temperature iconAverage Min Temperature °C ( °F) +18 (+32) +17 (+31) +17 (+31) +17 (+30) +15 (+27) +13 (+23) +11 (+20) +11 (+20) +13 (+23) +15 (+27) +18 (+32) +18 (+33) +15 (+27)
rainfall iconAverage Precipitation mm (in) +28 (+1) +4 (+0) -20 (-1) +37 (+1) +117 (+5) +78 (+3) +85 (+3) +101 (+4) +80 (+3) +52 (+2) +65 (+3) +40 (+2) +667 (+26)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) -1 ( -3) -1 ( -4) -2 ( -6) +1 (+3) +6 (+19) +5 (+17) +7 (+23) +4 (+13) +2 (+7) +1 (+3) +1 (+3) +1 (+3)   +24 (+7)
sunshine iconAverage Sunlight Hours/ Day +5h 38' +4h 59' +4h 48' +2h 54' +1h 34' +0h 38' +2h 13' +2h 30' +2h 26' +4h 09' +5h 04' +5h 00'   +3h 29'
daylight iconAverage Daylight Hours & Minutes/ Day +2h 50' +1h 43' +0h 18' -1h 10' -2h 29' -3h 12' -2h 53' -1h 43' -0h 16' +1h 13' +2h 31' +3h 12'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day () +32.9 +32.9 +33 +33.1 +29.2 +23 +28.5 +32.9 +32.8 +32.7 +32.8 +32.9   +31.4
relative humidity iconRelative Humidity (%) -14 -12 -9 +1 +3 +5 +2 +0 -3 -7 -10 -14   -4.8
dewpoint temperature iconAverage Dew Point Temperature C & (F) +16.1 (+29) +16.6 (+30) +15.8 (+28) +16.6 (+30) +15.1 (+27) +13.5 (+24) +11 (+20) +10.7 (+19) +12 (+22) +14.1 (+25) +16.5 (+30) +16.1 (+29) +14.5 (+26)

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