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
Quiz by georgekotz
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Last updated: February 25, 2021
First submittedOctober 24, 2017
Times taken16,121
Rating4.28
4:30
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Population
Continent
City
32.1 m
Asia
Jakarta
26.3 m
Asia
Manila
25.6 m
Asia
Mumbai
20.3 m
Asia
Dhaka
20.1 m
Africa
Lagos
19.4 m
Asia
Bangkok
17.0 m
Asia
Kolkata
13.9 m
Africa
Kinshasa
13.3 m
South America
Rio de Janeiro
12.7 m
Asia
Bangalore
Population
Continent
City
11.6 m
Asia
Chennai
10.6 m
Asia
Ho Chi Minh City
10.4 m
Asia
Hyderabad
9.15 m
Asia
Kuala Lumpur
7.90 m
Asia
Singapore
7.05 m
Asia
Bandung
6.90 m
Asia
Surat
6.45 m
Africa
Dar es Salaam
6.35 m
North America
Miami
6.15 m
Asia
Surabaya
+1
Level 58
Nov 3, 2017
How about Hong Kong? The lowest monthly temperature is 16.3 C
+10
Level 72
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.
+2
Level 74
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?
+13
Level 72
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.
+2
Level 74
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.
+5
Level 62
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.
+6
Level 79
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 69
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 51
Nov 8, 2017
This was a pretty tough quiz.
+1
Level 75
Nov 12, 2017
Nice quiz. Could you please defined "non-arid"? A certain minimum monthly rainfall? Or some minimum annual rainfall?
+2
Level 72
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!
+1
Level 67
Dec 22, 2017
What about Ahmedabad and Pune?
+1
Level 72
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!
+1
Level 67
Dec 24, 2020
Is that why Delhi is not on here? Because I was absolutely shocked when it didn't show up, especially considering that most other major Indian cities did.
+2
Level 72
Dec 28, 2020
Delhi has barely enough precipitation but falls below the required 18°C monthly average in the winter months (the coldest is January at about 14°C).
+3
Level 82
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 59
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 79
Feb 28, 2018
Good quiz that, really made me think. Got 16 in the end
+1
Level 60
Oct 16, 2018
I don't think that many of the Indian cities listed here should be on the list. I've visited all of them in winter months except Hyderabad, the weather was cool. Chennai and Bombay might be correct but as for Surat and Calcutta, I'm certain that the temperature falls below 18 degree celsius.
+2
Level 72
Oct 16, 2018
Even if the temperature falls below 18 degrees (during the night or on cool days), what counts is the average temperature, which is above 18 degrees Celsius for every month of the year in each of the cities listed.
+1
Level 85
May 22, 2019
So tropical includes equatorial? I was busy trying to avoid places on the equator.
+2
Level 72
May 29, 2019
It certainly does! The word "tropical" refers to anything relating to the area between the tropics, not just around them. A tropical climate has certain characteristics (see the quiz instructions) that are typically found in most places near the equator.
+2
Level 73
Feb 22, 2021
I wasn't expecting Miami!!
+1
Level 66
Apr 12, 2021
I can never remember how to spell Dahka Dakha the capital of Bangladesh
+1
Level 50
Apr 12, 2021
I couldn't get ANYTHING ... until I realized it was cities not countries
+1
Level 46
Apr 12, 2021
Only missed Bandung
+1
Level 40
Apr 14, 2021
Miami but not Mexico City?
+1
Level 72
Apr 17, 2021
Mexico City lies at an altitude of more than 2200 metres, so it's actually 7-8°C cooler on average than Miami!
+1
Level 70
May 19, 2021
I thought if Kinshasa makes it so would Brazzaville - distance is roughly 7 miles.
+1
Level 72
May 24, 2021
The climate is pretty much the same obviously, but Brazzaville has a much smaller population (2.35 million according to the source).