Vs > N’Djamena
 | Portland, Maine vs N’Djamena Climate & Distance Between |  |
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- The distance between Portland, Maine, Usa and N’Djamena, Chad is approximately 8,709 km or 5,412 mi.
- To reach Portland, Maine in this distance one would set out from N’Djamena bearing 312.6° or NW
 and follow the great circles arc to approach Portland, Maine bearing 264.3° or W .
- Portland, Maine has a warm summer continental/ hemiboreal climate with no dry season (Dfb) whereas N’Djamena has a subtropical hot steppe climate (BSh).
- Portland, Maine is in or near the cool temperate wet forest biome whereas N’Djamena is in or near the tropical very dry forest biome.
- The average annual temperature is 20.9 °C (37.6°F) cooler.
- Average monthly temperatures vary by 17 °C (30.6°F) more in Portland, Maine. The continentality subtype is subcontinental as opposed to barely hyperoceanic.
- Total annual precipitation averages 616.5 mm (24.3 in) more which is equivalent to 616.5 l/m² (15.13 US gal/ft²) or 6,165,000 l/ha (659,079 US gal/ac) more. About 2 1/5 as much.
- There are 545 fewer hours of sunlight per year in Portland, Maine. In whichever way circa 1h 30' less per day or about 5/6 as many.
- The altitude of the sun at midday is overall 26.5° lower in Portland, Maine than in N’Djamena.
- Relative humidity levels are 17.4% higher.
- The mean dew point temperature is 12.9°C (23.2°F) lower.
Climate Comparison Table
The table shows values for Portland, Maine relative to N’Djamena. You can also view this comparison the other way around from the perspective of N’Djamena vs Portland, Maine.
| | |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Annual |
 | Average Max Temperature °C ( °F) |
-33 (-60) |
-35 (-62) |
-34 (-60) |
-30 (-53) |
-23 (-41) |
-15 (-26) |
-8 (-14) |
-6 (-12) |
-13 (-23) |
-22 (-40) |
-28 (-50) |
-32 (-57) |
|
-23 (-41) |
 | Average Temperature °C ( °F) |
-30 (-53) |
-31 (-55) |
-29 (-53) |
-27 (-48) |
-21 (-38) |
-14 (-25) |
-8 (-14) |
-7 (-13) |
-13 (-24) |
-20 (-36) |
-23 (-42) |
-27 (-49) |
|
-21 (-38) |
 | Average Min Temperature °C ( °F) |
-26 (-46) |
-27 (-48) |
-25 (-45) |
-24 (-42) |
-20 (-35) |
-14 (-24) |
-9 (-15) |
-9 (-15) |
-13 (-24) |
-18 (-33) |
-19 (-34) |
-23 (-41) |
|
-19 (-34) |
 | Average Precipitation mm (in) |
+90 (+4) |
+85 (+3) |
+93 (+4) |
+93 (+4) |
+66 (+3) |
+37 (+1) |
-66 (-3) |
-102 (-4) |
-6 (0) |
+79 (+3) |
+131 (+5) |
+116 (+5) |
|
+617 (+24) |
 | Number of Precipitation Days (% chance of precip. on a day ) |
+12 (+39) |
+11 (+39) |
+11.5 (+37) |
+11 (+37) |
+9 (+29) |
+3 (+10) |
-5 ( -16) |
-8 ( -26) |
-1 ( -3) |
+7 (+23) |
+10.5 (+35) |
+10.5 (+34) |
|
+71.5 (+20) |
 | Average Sunlight Hours/ Day |
-5h 00' |
-4h 14' |
-2h 19' |
-1h 48' |
-0h 23' |
+1h 28' |
+3h 34' |
+3h 29' |
+0h 30' |
-2h 42' |
-5h 20' |
-5h 21' |
|
-1h 30' |
 | Average Daylight Hours & Minutes/ Day |
-2h 13' |
-1h 22' |
-0h 14' |
+0h 56' |
+1h 57' |
+2h 29' |
+2h 15' |
+1h 22' |
+0h 12' |
-0h 58' |
-1h 59' |
-2h 29' |
|
0h 00' |
 | Sun altitude at solar noon on the 21st day (°) |
-31.4 |
-31.2 |
-31.3 |
-31.2 |
-15.3 |
-8.9 |
-14.9 |
-30.9 |
-31.5 |
-31.4 |
-31.4 |
-31.4 |
| -26.5 |
 | Relative Humidity (%) |
+35 |
+38 |
+39 |
+30 |
+19 |
+9 |
-8 |
-16 |
-11 |
+11 |
+31 |
+31 |
|
+17.3 |
 | Average Dew Point Temperature °C & (°F) |
-15.6 (-28) |
-13.7 (-25) |
-10.8 (-19) |
-13.2 (-24) |
-13.3 (-24) |
-10.6 (-19) |
-9.5 (-17) |
-10.8 (-19) |
-15.1 (-27) |
-15.7 (-28) |
-11.4 (-21) |
-14.7 (-26) |
|
-12.9 (-23) |
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Portland, Maine vs N’Djamena Discussion
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