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Biggest Cities with a Tropical Climate

Can you name the most populous urban areas that have a tropical climate?
A tropical climate is a non-arid climate where all months have an average temperature above 18°C.
Climate data from Wikipedia, urban area population from citypopulation.de (October 2017).
Last updated: November 03, 2017
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Population
City
28.9 mil
Jakarta
24.1 mil
Manila
23.6 mil
Mumbai
17.9 mil
Dhaka
17.6 mil
Lagos
17.4 mil
Bangkok
16.2 mil
Kolkata
12.7 mil
Rio de Janeiro
10.9 mil
Kinshasa
10.8 mil
Bangalore
Population
City
10.3 mil
Chennai
9.20 mil
Hyderabad
8.30 mil
Ho Chi Minh City
6.95 mil
Singapore
6.80 mil
Kuala Lumpur
6.20 mil
Miami
6.05 mil
Bandung
5.90 mil
Surat
5.55 mil
Dar es Salaam
5.25 mil
Yangon
+1
level 54
Nov 3, 2017
How about Hong Kong? The lowest monthly temperature is 16.3 C
+2
level 65
Nov 3, 2017
According to the Koppen climate classification system, for a climate to qualify as tropical, all months need to have an average temperature above 18°C.
+1
level 75
Nov 3, 2017
Where is Surabaya? It is bigger city than Bandung.
+1
level 65
Nov 3, 2017
According to the source for the population data, Surabaya has a population of 4.775 million. Pretty close, but not big enough for this quiz!
+1
level 68
Nov 4, 2017
Given that Rio's here I expected Sao Paulo to be here too, given they're at basically the same latitude. Are their climates that different, or is it a case of Sao Paulo just barely missing the cutoff?
+4
level 65
Nov 4, 2017
The difference between their lowest temperatures is actually quite significant: Sao Paulo has an average July temperature of 15.8°C, while Rio's July temperature is 21.3 °C. The reason for this is Sao Paulo's inland location at an altitude of about 800m, in contrast to Rio's coastal location near a warm ocean current.
+1
level 68
Nov 4, 2017
Huh, interesting. I didn't realize Sao Paulo was set back that much from the sea, but I guess it makes sense now. Thanks for elaborating.
+2
level 61
Nov 5, 2017
Actually, Sao Paulo is not that far from the sea, the distance between the city and the Atlantic Ocean is about 100-150km. However, there's an important mountain range (known as Serra do Mar) that blocks a great deal of warmth and humidity that comes from the Ocean.
+2
level 70
Nov 8, 2017
100-150km is quite far from sea IMO, but on my map it's about 50km to city centre, 20km to suburbs
+1
level 57
Feb 28, 2018
Alex2108's explanation is very good, though I'd say São Paulo is slightly nearer to the Atlantic Ocean since Santos (São Paulo state's most important coastal city) is circa 75 km from São Paulo.
+1
level 52
Nov 8, 2017
This was a pretty tough quiz.
+1
level 70
Nov 12, 2017
Nice quiz. Could you please defined "non-arid"? A certain minimum monthly rainfall? Or some minimum annual rainfall?
+1
level 65
Nov 12, 2017
Non-arid is defined as receiving more annual rainfall than can be lost to the atmosphere through evaporation or transpiration. The latter amount varies from place to place and can be estimated based on the average annual temperature and the distribution of rainfall throughout the year. For the exact method of calculation see here!
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level 53
Dec 22, 2017
What about Ahmedabad and Pune?
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level 65
Dec 22, 2017
Both cities are too arid for their climate to be classified as tropical. Take a look at the comment above for a more detailed explanation!
+2
level 73
Feb 28, 2018
Interesting quiz and a bit tough. That definition of "tropical" being so narrow I guess disqualifies a lot of cities.
+1
level 48
Mar 1, 2018
for example, big tropical cities that are quite high (La Paz, Bogota, Sana'a, Mexico City...) and cities lying i quite arid regions (which wasn't explicitly mentioned - as oppose to the average temperature part). Still good quiz
+1
level 72
Feb 28, 2018
Good quiz that, really made me think. Got 16 in the end
+1
level 43
Feb 28, 2018
I can't believe I didn't get Yangon. I think I actually wrote Rangoon or Yangoon.
+1
level 46
Feb 28, 2018
I typed Rangoon. It works for Yangon.
+1
level 67
Feb 28, 2018
Is "Chenai" usually an acceptable type-in? It seems like it would be, but maybe I'm remembering it wrong. Now that it's written out, it does look pretty weird that way.
+1
level 23
May 3, 2018
Bandung?? U kidding me!