Porto Alegre (Brazil) vs Shanghai (China): Temperature, Rainfall and Sunshine

Across the 12 monthly averages, Porto Alegre (Brazil) is warmer in 7 months and Shanghai (China) in 5; 0 months are equal at the displayed precision.

Key monthly differences

Warmest months (mean temperature) (°C)

Porto Alegre: January: 25.31
Shanghai: August: 28.29

Coolest months (mean temperature) (°C)

Porto Alegre: July: 14.50
Shanghai: January: 5.26

Months with the lowest daily rainfall average (mm/day)

Porto Alegre: April: 2.52
Shanghai: December: 1.38

Months with the most daily sunshine (hours/day)

Porto Alegre: January, December: 10.92
Shanghai: August: 9.58

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Climate comparison questions

When are the temperatures most similar and most different?

The smallest difference in monthly mean temperature is 0.30 °C (October); the largest is 20.04 °C (January).

How much do temperatures vary across the year?

The difference between the warmest and coolest monthly means is 10.81 °C in Porto Alegre (Brazil) and 23.02 °C in Shanghai (China). This describes seasonal variation, not the range between daytime highs and nighttime lows.

Which location has more rainfall?

Porto Alegre (Brazil) has a higher daily rainfall average in 8 months and Shanghai (China) in 4; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.

Which location has more sunshine?

Porto Alegre (Brazil) has more average sunshine hours per day in 7 months and Shanghai (China) in 5; 0 months are equal at the displayed precision. Sunshine duration is different from daylight duration.

Data and measurement guide

Daily values are averaged separately for each calendar month over the saved reference period. Temperatures are daily means, not daytime highs. Rainfall is an average daily amount, not a monthly total; sunshine is average hours per day. These historical averages are not a weather forecast. Each location’s reference period is listed below and may differ.

Porto Alegre (Brazil) — Reference period: 2013–2023
Shanghai (China) — Reference period: 2013–2023

Monthly climate data

Difference: Shanghai (China) minus Porto Alegre (Brazil)

Temperature °C

Month	Porto Alegre	Shanghai	+/-
Jan	25.31	5.26	-20.04
Feb	24.75	6.44	-18.31
Mar	22.91	11.03	-11.88
Apr	20.76	15.74	-5.01
May	16.90	20.74	3.85
Jun	14.69	24.23	9.54
Jul	14.50	28.23	13.74
Aug	15.61	28.29	12.67
Sep	17.49	24.04	6.55
Oct	19.21	18.91	-0.30
Nov	21.19	13.71	-7.48
Dec	23.82	6.64	-17.19
⌀ Month	19.76	16.94	-2.82

Average sunshine (hours/day)

Month	Porto Alegre	Shanghai	+/-
Jan	10.92	5.82	-5.10
Feb	10.87	5.73	-5.15
Mar	9.04	6.75	-2.28
Apr	8.56	7.97	-0.60
May	6.89	7.64	0.75
Jun	6.38	6.55	0.16
Jul	6.92	8.73	1.81
Aug	7.61	9.58	1.97
Sep	7.39	7.71	0.32
Oct	8.32	7.16	-1.16
Nov	10.06	6.10	-3.96
Dec	10.92	6.33	-4.58
⌀ Month	8.66	7.17	-1.48

Average daily rainfall (mm/day)

Month	Porto Alegre	Shanghai	+/-
Jan	3.61	1.91	-1.69
Feb	3.13	2.35	-0.78
Mar	4.29	2.67	-1.62
Apr	2.52	3.16	0.65
May	4.53	4.32	-0.21
Jun	4.88	8.37	3.49
Jul	4.17	6.82	2.66
Aug	3.73	5.10	1.37
Sep	5.60	4.86	-0.74
Oct	5.02	2.08	-2.94
Nov	4.06	2.11	-1.94
Dec	3.38	1.38	-2.00
⌀ Month	4.08	3.76	-0.31

Snow (mm)

Month	Shanghai	+/-
Jan	0.69	0.69
Feb	0.99	0.99
Mar	0.01	0.01
Apr	0.00	0.00
May	0.00	0.00
Jun	0.00	0.00
Jul	0.00	0.00
Aug	0.00	0.00
Sep	0.00	0.00
Oct	0.00	0.00
Nov	0.01	0.01
Dec	0.40	0.40
⌀ Month	0.17	0.17