Vs > Boston, Massachusetts
 | Saint Denis, Reunion vs Boston, Massachusetts Climate & Distance Between |  |
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- The distance between Saint Denis, Reunion, Reunion and Boston, Massachusetts, Usa is approximately 14,528 km or 9,028 mi.
- To reach Saint Denis, Reunion in this distance one would set out from Boston, Massachusetts bearing 81.6° or E
 and follow the great circles arc to approach Saint Denis, Reunion bearing 128.5° or SE .
- Saint Denis, Reunion has a tropical monsoonal climate (Am) whereas Boston, Massachusetts has a humid subtropical climate (Cfa).
- The annual average temperature is 12.9 °C (23.3°F) warmer.
- Average monthly temperatures vary by 19.5 °C (35.1°F) less in Saint Denis, Reunion. The continentality subtype is truly hyperoceanic as opposed to subcontinental.
- Total annual precipitation averages 486.7 mm (19.2 in) more which is equivalent to 486.7 l/m² (11.94 US gal/ft²) or 4,867,000 l/ha (520,315 US gal/ac) more. About 1 1/2 as much.
- There are 87 fewer hours of sunlight per year in Saint Denis, Reunion. In whichever way circa 0h 13' less per day or about 1 as many.
- The altitude of the sun at midday is overall 20° higher in Saint Denis, Reunion than in Boston, Massachusetts.
- Relative humidity levels are 11.1% higher.
- The mean dew point temperature is 14.6°C (26.3°F) higher.
Climate Comparison Table
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+28 (+50) |
+27 (+48) |
+21 (+38) |
+15 (+26) |
+8 (+14) |
+1 (+3) |
-3 (-5) |
-2 (-3) |
+2 (+4) |
+9 (+16) |
+16 (+28) |
+24 (+44) |
|
+12 (+22) |
 | Average Temperature °C ( °F) |
+28 (+51) |
+27 (+49) |
+22 (+40) |
+16 (+28) |
+9 (+16) |
+2 (+4) |
-2 (-4) |
-1 (-2) |
+3 (+5) |
+10 (+18) |
+16 (+29) |
+25 (+44) |
|
+13 (+23) |
 | Average Min Temperature °C ( °F) |
+29 (+52) |
+28 (+50) |
+23 (+42) |
+16 (+30) |
+10 (+18) |
+3 (+5) |
-1 (-3) |
-1 (-1) |
+3 (+6) |
+11 (+19) |
+17 (+30) |
+25 (+45) |
|
+14 (+24) |
 | Average Precipitation mm (in) |
+172 (+7) |
+124 (+5) |
+196 (+8) |
+69 (+3) |
-2 (0) |
-4 (0) |
-2 (0) |
-33 (-1) |
-31 (-1) |
-40 (-2) |
-12 (0) |
+49 (+2) |
|
+487 (+19) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
+7 (+23) |
+6 (+21) |
+6 (+19) |
+1 (+3) |
+2 (+6) |
+3 (+10) |
+7 (+23) |
+6 (+19) |
+5 (+17) |
+3 (+10) |
+3 (+10) |
+6 (+19) |
|
+55 (+15) |
 | Average Sunlight Hours/ Day |
+2h 52' |
+1h 24' |
-0h 03' |
+0h 12' |
-1h 11' |
-2h 48' |
-3h 17' |
-2h 11' |
-1h 02' |
+0h 03' |
+1h 36' |
+1h 40' |
|
-0h 13' |
 | Average Daylight Hours & Minutes/ Day |
+3h 50' |
+2h 22' |
+0h 26' |
-1h 38' |
-3h 23' |
-4h 17' |
-3h 53' |
-2h 22' |
-0h 22' |
+1h 41' |
+3h 26' |
+4h 17' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+59.4 |
+41.9 |
+20.8 |
-2.4 |
-19 |
-25.4 |
-19.4 |
-2.6 |
+20.2 |
+42.5 |
+58.9 |
+63.2 |
| +20 |
 | Relative Humidity (%) |
+12 |
+12 |
+20 |
+15 |
+12 |
+7 |
+10 |
+7 |
+6 |
+8 |
+9 |
+15 |
|
+11.1 |
 | Average Dew Point Temperature °C & (°F) |
+28.9 (+52) |
+27.9 (+50) |
+25.2 (+45) |
+18.3 (+33) |
+11.3 (+20) |
+3.9 (+7) |
+0.5 (+1) |
+0.6 (+1) |
+4.1 (+7) |
+11.2 (+20) |
+17.3 (+31) |
+26 (+47) |
|
+14.6 (+26) |
There are so many comparison pages. Please post a link to one to help people find them:
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Saint Denis, Reunion vs Boston, Massachusetts Discussion
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