Source: Savills Research
Heat Resilience Index Data Explorer
Index Score
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Record High
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Difference
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DAYS over 30°C
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chicago
Source: Savills Research
The planet is heating up. 60% of the 30 cities we analysed saw temperatures of more than 15C (27F) above average last year. Click to explore the global heat resilience story
Highest recorded temperatures (°C )
*Year recorded
Source: Savills Research
Heat risk
(higher score = lower risk)
Resilient cities
ESG score
Difference between
record and average summer high (°C)
Average high (°C)
Source: Savills Research
LOS
ANGELES
+23
22
62
LOS
ANGELES
HO CHI MINH
CITY
+10
30
6th
MEXICO
CITY
HELSINKI
toronto
LOS ANGELES
NEW YORK
BOSTON
san francisco
MEXICO CITY
chicago
PARIS
CAIRO
DUBAI
HONG KONG
singapore
TOKYO
SEOUL
SHANGHAI
Ho Chi Minh City
SYDNEY
AMSTERDAM
BERLIN
MILAN
RIO DE JANEIRO
LONDON
MADRID
LAGOS
RIYADH
MUMBAI
johannesburg
COPENHAGEN
STOCKHOLM
Days over 30°C
in 2023
MILAN
RIO DE JANEIRO
LONDON
MADRID
LAGOS
RIYADH
MUMBAI
johannesburg
COPENHAGEN
STOCKHOLM
HONG KONG
singapore
TOKYO
SEOUL
SHANGHAI
Ho Chi Minh City
SYDNEY
AMSTERDAM
BERLIN
LOS ANGELES
NEW YORK
BOSTON
san francisco
MEXICO CITY
chicago
PARIS
CAIRO
DUBAI
HELSINKI
40°
LONDON
(2022)*
45°
LOS
ANGELES
(2010)*
43°
PARIS
(2019)*
36°
AMSTERDAM
(2019)*
48°
CAIRO
(1961)*
43°
SYDNEY
(2018)*
41°
TORONTO
(1936)*
38°
BERLIN
(2015)*
36°
COPENHAGEN
(2022)*
41°
san
francisco
(2017)*
41°
CHICAGO
(2012)*
35°
STOCKHOLM
(1975)*
43°
RIO DE
JANEIRO
(2012)*
41°
NEW YORK
(1936)*
40°
SEOUL
(2018)*
40°
BOSTON
(1911)*
41°
MADRID
(2022)*
32°
HELSINKI
(2010)*
39°
MILAN
(2023)*
40°
TOKYO
(2004)*
49°
DUBAI
(2023)*
49°
RIYADH
(2020)*
38°
JOHANNESBURG
(2016)*
41°
SHANGHAI
(2022)*
41°
MUMBAI
(1979)*
40°
LAGOS
(2018)*
39°
HONK KONG
(2022)*
37°
singapore
(2023)*
40°
HO CHI MINH
CITY
(1998)*
34°
MEXICO
CITY
(2024)*
7
LONDON
25
PARIS
4
AMSTERDAM
182
CAIRO
40
SYDNEY
2
TORONTO
16
BERLIN
0
COPENHAGEN
8
SAN
FRANCISCO
33
CHICAGO
0
STOCKHOLM
89
RIO DE
JANEIRO
36
NEW YORK
57
SEOUL
18
BOSTON
toronto
90
MADRID
3
HELSINKI
62
MILAN
86
TOKYO
259
DUBAI
230
RIYADH
59
johannesburg
108
SHANGHAI
322
MUMBAI
293
LAGOS
139
HONG KONG
324
SINGAPORE
358
HO CHI MINH
CITY
23
MEXICO
CITY
MILAN
RIO DE JANEIRO
LONDON
MADRID
LAGOS
RIYADH
MUMBAI
johannesburg
COPENHAGEN
STOCKHOLM
HONG KONG
singapore
TOKYO
SEOUL
SHANGHAI
Ho Chi Minh City
SYDNEY
AMSTERDAM
BERLIN
LOS ANGELES
NEW YORK
BOSTON
san francisco
MEXICO CITY
chicago
PARIS
CAIRO
DUBAI
toronto
HELSINKI
LONDON
+21
19
AMSTERDAM
+20
16
CAIRO
+20
28
TORONTO
+20
21
BERLIN
+20
18
COPENHAGEN
+19
17
san francisco
+18
23
CHICAGO
+18
23
STOCKHOLM
+17
18
RIO DE JANEIRO
+16
27
NEW YORK
+16
25
SEOUL
+16
24
SYDNEY
+20
23
PARIS
+23
20
BOSTON
+16
24
MADRID
+16
25
HELSINKI
+15
17
MILAN
+14
25
TOKYO
+14
26
DUBAI
+13
36
RIYADH
+13
36
johannesburg
+12
26
SHANGHAI
+12
29
MUMBAI
+11
30
LAGOS
+11
29
HONG KONG
+10
29
SINGAPORE
+10
27
HO CHI MINH
CITY
+10
30
MEXICO
CITY
+9
25
MILAN
RIO DE JANEIRO
LONDON
MADRID
LAGOS
RIYADH
MUMBAI
johannesburg
COPENHAGEN
STOCKHOLM
HONG KONG
singapore
TOKYO
SEOUL
SHANGHAI
Ho Chi Minh City
SYDNEY
AMSTERDAM
BERLIN
LOS ANGELES
NEW YORK
BOSTON
san francisco
MEXICO CITY
chicago
PARIS
CAIRO
DUBAI
toronto
HELSINKI
1st
HELSINKI
2nd
COPENHAGEN
3rd
STOCKHOLM
4th
TOKYO
5th
AMSTERDAM
6th
MEXICO
CITY
7th
TORONTO
8th
BERLIN
9th
BOSTON
10th
HONG KONG
11th
SEOUL
12th
MADRID
13th
LONDON
14th
NEW YORK
15th
MILAN
16th
SAN
FRANCISCO
17th
SYDNEY
18th
CHICAGO
19th
SINGAPORE
20th
JOHANNESBURG
21st
PARIS
22nd
SHANGHAI
23rd
RIO DE
JANEIRO
24th
LOS
ANGELES
25th
HO CHI MINH
CITY
26th
LAGOS
27th
MUMBAI
28th
DUBAI
29th
RIYADH
30th
CAIRO