Warmest month
- Shanghai
- August · 28.29 °C
- Siwa Oasis
- August · 31.04 °C
Reference period: Shanghai 2013–2023 · Siwa Oasis 2013–2023
Siwa Oasis (Egypt) has a higher monthly mean temperature than Shanghai (China) in every month of the year.
The smallest difference in monthly mean temperature is 2.44 °C (July); the largest is 7.90 °C (December).
The difference between the warmest and coolest monthly means is 23.02 °C in Shanghai (China) and 18.61 °C in Siwa Oasis (Egypt). This describes seasonal variation, not the range between daytime highs and nighttime lows.
Shanghai (China) has a higher daily rainfall average in 12 months and Siwa Oasis (Egypt) in 0; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.
Shanghai (China) has more average sunshine hours per day in 0 months and Siwa Oasis (Egypt) in 12; 0 months are equal at the displayed precision. Sunshine duration is different from daylight duration.
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
Difference: Siwa Oasis (Egypt) minus Shanghai (China)
| Month | Shanghai | Siwa Oasis | +/- |
|---|---|---|---|
| Jan | 5.26 | 12.43 | +7.17 |
| Feb | 6.44 | 14.30 | +7.86 |
| Mar | 11.03 | 17.94 | +6.91 |
| Apr | 15.74 | 22.34 | +6.60 |
| May | 20.74 | 26.89 | +6.15 |
| Jun | 24.23 | 29.60 | +5.37 |
| Jul | 28.23 | 30.67 | +2.44 |
| Aug | 28.29 | 31.04 | +2.75 |
| Sep | 24.04 | 28.52 | +4.48 |
| Oct | 18.91 | 23.96 | +5.05 |
| Nov | 13.71 | 18.76 | +5.05 |
| Dec | 6.64 | 14.54 | +7.90 |
| Annual mean | 16.94 | 22.58 | +5.64 |
| Month | Shanghai | Siwa Oasis | +/- |
|---|---|---|---|
| Jan | 5.82 | 8.88 | +3.06 |
| Feb | 5.73 | 9.55 | +3.82 |
| Mar | 6.75 | 10.44 | +3.68 |
| Apr | 7.97 | 11.21 | +3.24 |
| May | 7.64 | 11.98 | +4.33 |
| Jun | 6.55 | 12.74 | +6.19 |
| Jul | 8.73 | 12.87 | +4.14 |
| Aug | 9.58 | 12.22 | +2.63 |
| Sep | 7.71 | 11.25 | +3.54 |
| Oct | 7.16 | 10.12 | +2.96 |
| Nov | 6.10 | 9.61 | +3.51 |
| Dec | 6.33 | 8.96 | +2.62 |
| Annual mean | 7.17 | 10.82 | +3.64 |
| Month | Shanghai | Siwa Oasis | +/- |
|---|---|---|---|
| Jan | 1.91 | 0.12 | −1.79 |
| Feb | 2.35 | 0.09 | −2.26 |
| Mar | 2.67 | 0.10 | −2.57 |
| Apr | 3.16 | 0.04 | −3.12 |
| May | 4.32 | 0.01 | −4.31 |
| Jun | 8.37 | 0.00 | −8.37 |
| Jul | 6.82 | 0.00 | −6.82 |
| Aug | 5.10 | 0.00 | −5.10 |
| Sep | 4.86 | 0.00 | −4.86 |
| Oct | 2.08 | 0.01 | −2.07 |
| Nov | 2.11 | 0.05 | −2.06 |
| Dec | 1.38 | 0.08 | −1.30 |
| Annual mean | 3.76 | 0.04 | −3.72 |
| Month | Shanghai | Siwa Oasis | +/- |
|---|---|---|---|
| Jan | 0.69 | 0.00 | −0.69 |
| Feb | 0.99 | 0.00 | −0.99 |
| Mar | 0.01 | 0.00 | −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 | 0.01 | 0.00 | −0.01 |
| Dec | 0.40 | 0.00 | −0.40 |
| Annual mean | 0.17 | 0.00 | −0.17 |