Vs > Riyadh
 | St. Mary’S, Isles Of Scilly vs Riyadh Climate & Distance Between |  |
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- The distance between St. Mary’S, Isles Of Scilly, Uk and Riyadh, Saudi Arabia is approximately 5,317 km or 3,304 mi.
- To reach St. Mary’S, Isles Of Scilly in this distance one would set out from Riyadh bearing 316.1° or NW
 and follow the great circles arc to approach St. Mary’S, Isles Of Scilly bearing 281.6° or WNW .
- St. Mary’S, Isles Of Scilly has a marine west coast climate (Cfb) whereas Riyadh has a subtropical hot desert climate (BWh).
- The mean annual temperature is 14 °C (25.2°F) cooler.
- Average monthly temperatures vary by 12.1 °C (21.8°F) less in St. Mary’S, Isles Of Scilly. The continentality subtype is barely hyperoceanic as opposed to subcontinental.
- Total annual precipitation averages 742.7 mm (29.2 in) more which is equivalent to 742.7 l/m² (18.23 US gal/ft²) or 7,427,000 l/ha (793,996 US gal/ac) more. About 8 1/3 as much.
- The altitude of the sun at midday is overall 25.1° lower in St. Mary’S, Isles Of Scilly than in Riyadh.
- Relative humidity levels are 50.9% higher.
- The mean dew point temperature is 3.6°C (6.4°F) higher.
Climate Comparison Table
The table shows values for St. Mary’S, Isles Of Scilly relative to Riyadh. You can also view this comparison the other way around from the perspective of Riyadh vs St. Mary’S, Isles Of Scilly.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-19 (-34) |
-21 (-38) |
-24 (-43) |
-26 (-47) |
-28 (-50) |
-27 (-49) |
-26 (-47) |
-26 (-47) |
-25 (-45) |
-23 (-41) |
-21 (-38) |
-18 (-32) |
|
-24 (-43) |
 | Average Temperature °C ( °F) |
-7 (-12) |
-9 (-16) |
-12 (-22) |
-16 (-29) |
-20 (-36) |
-20 (-35) |
-19 (-34) |
-19 (-33) |
-16 (-30) |
-14 (-25) |
-10 (-18) |
-7 (-12) |
|
-14 (-25) |
 | Average Min Temperature °C ( °F) |
+3 (+5) |
+2 (+4) |
-1 (-2) |
-5 (-9) |
-9 (-16) |
-9 (-16) |
-10 (-18) |
-10 (-18) |
-6 (-11) |
-3 (-5) |
0 (0) |
+4 (+7) |
|
-4 (-7) |
 | Average Precipitation mm (in) |
+80 (+3) |
+61 (+2) |
+45 (+2) |
+17 (+1) |
+48 (+2) |
+49 (+2) |
+61 (+2) |
+63 (+2) |
+67 (+3) |
+79 (+3) |
+90 (+4) |
+83 (+3) |
|
+743 (+29) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
+19 (+61) |
+16 (+57) |
+14 (+45) |
+12 (+40) |
+12 (+39) |
+14 (+47) |
+15.5 (+50) |
+15 (+48) |
+16 (+53) |
+17 (+55) |
+14 (+47) |
+18 (+58) |
|
+182.5 (+50) |
 | Average Daylight Hours & Minutes/ Day |
-2h 15' |
-1h 21' |
-0h 14' |
+0h 56' |
+1h 58' |
+2h 32' |
+2h 17' |
+1h 21' |
+0h 12' |
-0h 58' |
-2h 00' |
-2h 33' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-25.2 |
-25.1 |
-25.1 |
-25.2 |
-25.1 |
-25.2 |
-25 |
-25.3 |
-25.2 |
-25.2 |
-25.2 |
-25.2 |
| -25.1 |
 | Relative Humidity (%) |
+31 |
+40 |
+46 |
+45 |
+57 |
+64 |
+64 |
+64 |
+63 |
+57 |
+44 |
+36 |
|
+50.9 |
 | Average Dew Point Temperature °C & (°F) |
+0.7 (+1) |
+1.5 (+3) |
+0.8 (+1) |
-2.3 (-4) |
+0.8 (+1) |
+7.8 (+14) |
+7.9 (+14) |
+9.1 (+16) |
+7.6 (+14) |
+5.2 (+9) |
+1.9 (+3) |
+1.8 (+3) |
|
+3.6 (+6) |
There are so many comparison pages. Please post a link to one to help people find them:
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St. Mary’S, Isles Of Scilly vs Riyadh Discussion
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