Warmest month
- Porto Alegre
- January · 25.31 °C
- Shanghai
- August · 28.29 °C
Porto Alegre (Brazil) vs Shanghai (China): Temperature, Rainfall and Sunshine
Reference period: Porto Alegre 2013–2023 · Shanghai 2013–2023
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
Coolest month
- Porto Alegre
- July · 14.50 °C
- Shanghai
- January · 5.26 °C
Driest month
- Porto Alegre
- April · 2.52 mm/day
- Shanghai
- December · 1.38 mm/day
Sunniest month
- Porto Alegre
- January, December · 10.92 hours/day
- Shanghai
- August · 9.58 hours/day
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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.
Climate data notes
Show data and calculation
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.
Mean of the 12 monthly averages
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 |
| Annual mean | 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 |
| Annual mean | 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 |
| Annual mean | 4.08 | 3.76 | −0.31 |
Snow (mm)
| Month | Porto Alegre | Shanghai | +/- |
|---|---|---|---|
| Jan | 0.00 | 0.69 | +0.69 |
| Feb | 0.00 | 0.99 | +0.99 |
| Mar | 0.00 | 0.01 | +0.01 |
| Apr | 0.00 | 0.00 | 0.00 |
| May | 0.00 | 0.00 | 0.00 |
| Jun | 0.00 | 0.00 | 0.00 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.00 | 0.00 | 0.00 |
| Sep | 0.00 | 0.00 | 0.00 |
| Oct | 0.00 | 0.00 | 0.00 |
| Nov | 0.00 | 0.01 | +0.01 |
| Dec | 0.00 | 0.40 | +0.40 |
| Annual mean | 0.00 | 0.17 | +0.17 |
