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Vs > Siwa Oasis
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Riyadh vs Siwa Oasis Climate & Distance Between

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  • The distance between Riyadh, Saudi Arabia and Siwa Oasis, Egypt is approximately 2,162 km or 1,343 mi.
  • To reach Riyadh in this distance one would set out from Siwa Oasis bearing 98.3° or E and follow the great circles arc to approach Riyadh bearing 108.1° or ESE .
  • Both have a subtropical hot desert climate (BWh).
  • Both are in or near the subtropical desert biome.
  • The average temperature is 4 °C (7.2°F) warmer.
  • Average monthly temperatures vary by 3.3 °C (5.9°F) more in Riyadh. The continentality subtype is subcontinental as opposed to truly oceanic.
  • Total annual precipitation averages 92.3 mm (3.6 in) more which is equivalent to 92.3 l/m² (2.27 US gal/ft²) or 923,000 l/ha (98,675 US gal/ac) more. About 11 1/4 as much.
  • The altitude of the sun at midday is overall 4.4° higher in Riyadh than in Siwa Oasis.
  • Relative humidity levels are 16.3% lower.
  • The mean dew point temperature is 4.3°C (7.7°F) lower.

Climate Comparison Table

The table shows values for Riyadh relative to Siwa Oasis. You can also view this comparison the other way around from the perspective of Siwa Oasis vs Riyadh.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) +8 (+14) +8 (+14) +10 (+18) +8 (+14) +8 (+14) +7 (+13) +7 (+13) +7 (+13) +8 (+14) +7 (+13) +7 (+13) +7 (+13) +8 (+14)
average temperature iconAverage Temperature °C ( °F) +2 (+3) +2 (+4) +4 (+7) +4 (+7) +6 (+10) +5 (+9) +5 (+9) +6 (+10) +5 (+9) +4 (+7) +3 (+6) +2 (+4) +4 (+7)
minimum temperature iconAverage Min Temperature °C ( °F) -2 (-4) -2 (-4) -1 (-2) -1 (-2) +1 (+2) +1 (+2) +2 (+4) +3 (+5) 0 (0) -1 (-2) -1 (-2) -4 (-7) 0 (-1)
rainfall iconAverage Precipitation mm (in) +9 (+0) +9 (+0) +22 (+1) +28 (+1) +8 (+0) +0 (+0) +0 (+0) +1 (+0) +0 (+0) +1 (+0) +4 (+0) +10 (+0) +92 (+4)
rain days iconNumber of Precipitation Days (% chance of precip. on a day ) +2 (+6) 0 ( 0) +1.5 (+5) +0.5 (+2) +1 (+3) -0.5 ( -2) 0 ( 0) 0 ( 0) -0.5 ( -2) -0.5 ( -2) +4.5 (+15) +2 (+6)   +10 (+3)
daylight iconAverage Daylight Hours & Minutes/ Day +0h 17' +0h 10' +0h 02' -0h 07' -0h 15' -0h 19' -0h 17' -0h 10' -0h 01' +0h 07' +0h 15' +0h 19'   0h 00'
sun altitude iconSun altitude at solar noon on the 21st day (°) +4.5 +4.4 +4.5 +4.5 +4.4 +4.5 +4.4 +4.5 +4.5 +4.5 +4.5 +4.5   +4.4
relative humidity iconRelative Humidity (%) -6 -10 -11 -5 -12 -19 -22 -27 -26 -26 -19 -13   -16.3
dewpoint temperature iconAverage Dew Point Temperature °C & (°F) +0.2 (+0) -1 (-2) -0.5 (-1) +1.2 (+2) -1.6 (-3) -8.4 (-15) -9.1 (-16) -11.2 (-20) -9.1 (-16) -7.2 (-13) -2.9 (-5) -1.6 (-3) -4.3 (-8)

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Riyadh vs Siwa Oasis Discussion

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