Vs > Portland, Maine
 | Nanjing vs Portland, Maine Climate & Distance Between |  |
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- The distance between Nanjing, China and Portland, Maine, Usa is approximately 11,552 km or 7,179 mi.
- To reach Nanjing in this distance one would set out from Portland, Maine bearing 352° or N
 and follow the great circles arc to approach Nanjing bearing 186.8° or S .
- Nanjing has a humid subtropical climate (Cfa) whereas Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb).
- Nanjing is in or near the warm temperate dry forest biome whereas Portland, Maine is in or near the cool temperate wet forest biome.
- The mean temperature is 8.3 °C (15°F) warmer.
- Average monthly temperatures vary by 0.5 °C (0.9°F) less in Nanjing. The continentality subtype is subcontinental for both.
- Total annual precipitation averages 147.3 mm (5.8 in) less which is equivalent to 147.3 l/m² (3.62 US gal/ft²) or 1,473,000 l/ha (157,473 US gal/ac) less. About 7/8 as much.
- There are 533 fewer hours of sunlight per year in Nanjing. In whichever way circa 1h 27' less per day or about 4/5 as many.
- The altitude of the sun at midday is overall 11.6° higher in Nanjing than in Portland, Maine.
- Relative humidity levels are 14% higher.
- The mean dew point temperature is 10.7°C (19.2°F) higher.
Climate Comparison Table
The table shows values for Nanjing relative to Portland, Maine. You can also view this comparison the other way around from the perspective of Portland, Maine vs Nanjing.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
+7 (+12) |
+7 (+13) |
+9 (+16) |
+9 (+16) |
+8 (+14) |
+6 (+12) |
+6 (+11) |
+7 (+12) |
+7 (+13) |
+7 (+13) |
+8 (+14) |
+7 (+13) |
|
+7 (+13) |
 | Average Temperature °C ( °F) |
+8 (+15) |
+9 (+16) |
+8 (+15) |
+9 (+16) |
+9 (+16) |
+8 (+14) |
+8 (+14) |
+8 (+15) |
+8 (+15) |
+8 (+15) |
+8 (+14) |
+8 (+15) |
|
+8 (+15) |
 | Average Min Temperature °C ( °F) |
+9 (+17) |
+10 (+19) |
+8 (+15) |
+9 (+16) |
+10 (+17) |
+9 (+16) |
+9 (+17) |
+10 (+18) |
+10 (+17) |
+10 (+17) |
+8 (+14) |
+9 (+16) |
|
+9 (+17) |
 | Average Precipitation mm (in) |
-51 (-2) |
-29 (-1) |
-19 (-1) |
-22 (-1) |
+1 (+0) |
+31 (+1) |
+74 (+3) |
+91 (+4) |
-15 (-1) |
-52 (-2) |
-93 (-4) |
-64 (-3) |
|
-147 (-6) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
-3 ( -10) |
-1 ( -4) |
-2 ( -6) |
-1 ( -3) |
-2 ( -6) |
-2 ( -7) |
+3 (+10) |
+2 (+6) |
0 ( 0) |
-2 ( -6) |
-2 ( -7) |
0 ( 0) |
|
-10 ( -3) |
 | Average Sunlight Hours/ Day |
-0h 15' |
-1h 54' |
-1h 29' |
-1h 56' |
-1h 50' |
-3h 10' |
-2h 42' |
-1h 54' |
-1h 44' |
-0h 23' |
+0h 14' |
-0h 29' |
|
-1h 27' |
 | Average Daylight Hours & Minutes/ Day |
+1h 00' |
+0h 36' |
+0h 06' |
-0h 25' |
-0h 53' |
-1h 08' |
-1h 01' |
-0h 36' |
-0h 05' |
+0h 26' |
+0h 53' |
+1h 08' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
+11.5 |
+11.4 |
+11.4 |
+11.4 |
+11.5 |
+11.6 |
+11.7 |
+11.8 |
+11.8 |
+11.8 |
+11.7 |
+11.6 |
| +11.6 |
 | Relative Humidity (%) |
+10 |
+16 |
+10 |
+14 |
+16 |
+15 |
+20 |
+19 |
+17 |
+11 |
+7 |
+14 |
|
+14.1 |
 | Average Dew Point Temperature °C & (°F) |
+9.4 (+17) |
+10.8 (+19) |
+9.4 (+17) |
+11.2 (+20) |
+11.9 (+21) |
+10.7 (+19) |
+11.9 (+21) |
+12.4 (+22) |
+11.8 (+21) |
+10.4 (+19) |
+8.6 (+15) |
+9.8 (+18) |
|
+10.7 (+19) |
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Nanjing vs Portland, Maine Discussion
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