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Vs > Johannesburg
Puerto Rico   flag

San Juan vs Johannesburg Climate & Distance Between

South Africa flag
  • The distance between San Juan, Puerto Rico and Johannesburg, South Africa is approximately 11,305 km or 7,025 mi.
  • To reach San Juan in this distance one would set out from Johannesburg bearing 285° or WNW and follow the great circles arc to approach San Juan bearing 293.9° or WNW .
  • San Juan has a tropical monsoonal climate (Am) whereas Johannesburg has a mid-latitude cool steppe climate (BSk).
  • San Juan is in or near the subtropical moist forest biome whereas Johannesburg is in or near the warm temperate dry forest biome.
  • The annual average temperature is 9.4 °C (17°F) warmer.
  • Average monthly temperatures vary by 6.5 °C (11.7°F) less in San Juan. The continentality subtype is truly hyperoceanic as opposed to barely hyperoceanic.
  • Total annual precipitation averages 1085 mm (42.7 in) more which is equivalent to 1085 l/m² (26.63 US gal/ft²) or 10,850,000 l/ha (1,159,937 US gal/ac) more. About 3 as much.
  • There are 353 fewer hours of sunlight per year in San Juan. In whichever way circa 0h 57' less per day or about 8/9 as many.
  • The altitude of the sun at midday is overall 7° higher in San Juan than in Johannesburg.
  • Relative humidity levels are 17.3% higher.
  • The mean dew point temperature is 13°C (23.5°F) higher.

Climate Comparison Table

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +1 (+2) +3 (+5) +4 (+7) +7 (+13) +11 (+20) +14 (+25) +14 (+25) +11 (+20) +8 (+14) +6 (+11) +5 (+9) +2 (+4) +7 (+13)
average temperature iconAverage Temperature °C ( °F) +3 (+5) +4 (+7) +6 (+10) +9 (+16) +14 (+24) +17 (+30) +17 (+30) +14 (+25) +11 (+20) +9 (+15) +7 (+13) +5 (+8) +9 (+17)
minimum temperature iconAverage Min Temperature °C ( °F) +5 (+9) +5 (+9) +7 (+13) +11 (+20) +16 (+29) +19 (+34) +19 (+34) +17 (+31) +14 (+25) +11 (+20) +9 (+16) +7 (+13) +12 (+21)
rainfall iconAverage Precipitation mm (in) -6 (0) -23 (-1) -34 (-1) +40 (+2) +168 (+7) +135 (+5) +155 (+6) +175 (+7) +145 (+6) +141 (+6) +154 (+6) +35 (+1) +1085 (+43)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +2 (+6) +1 (+4) -1 ( -3) +7 (+23) +15 (+48) +17 (+57) +19 (+61) +17 (+55) +14 (+47) +8 (+26) +5 (+17) +4 (+13)   +108 (+29)
sunshine iconAverage Sunlight Hours/ Day -0h 48' -0h 04' +1h 21' +0h 14' -1h 03' -1h 28' -0h 42' -1h 09' -2h 06' -1h 11' -2h 06' -2h 29'   -0h 57'
daylight iconAverage Daylight Hours & Minutes/ Day -2h 24' -1h 30' -0h 16' +1h 02' +2h 08' +2h 41' +2h 27' +1h 30' +0h 14' -1h 04' -2h 10' -2h 41'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) -31.5 -13 +8.4 +31.6 +44.3 +44.6 +44.1 +31.7 +8.8 -13.7 -31.6 -39.1   +7
relative humidity iconRelative Humidity (%) +7 +4 +3 +11 +20 +25 +26 +31 +31 +23 +17 +10   +17.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +4.4 (+8) +4.7 (+8) +6 (+11) +11.1 (+20) +17.5 (+32) +21.5 (+39) +21.7 (+39) +20.8 (+37) +18.1 (+33) +13.5 (+24) +10.6 (+19) +6.6 (+12) +13 (+23)

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San Juan vs Johannesburg Discussion

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