Stuttgart's climate is mild in comparison to most German cities, but the winter months of November to March can still deliver temperatures as low as -9°C (16°F). Warmer temperatures from June to August are accompanied by high rainfall. Humidity levels seldom rise above 80%.
| Low temp (°C) | High temp (°C) | Sunshine (hours) | Rainfall (mm) | Humidity (am) | Humidity (pm) | |
|---|---|---|---|---|---|---|
| Jan | -2 | 2 | 48 | 89 | 78 | |
| Feb | -2 | 4 | 46 | 89 | 70 | |
| Mar | 0 | 9 | 43 | 86 | 59 | |
| Apr | 2 | 12 | 61 | 84 | 55 | |
| May | 7 | 17 | 86 | 83 | 54 | |
| Jun | 10 | 20 | 86 | 83 | 55 | |
| Jul | 12 | 22 | 74 | 82 | 53 | |
| Aug | 12 | 22 | 86 | 85 | 53 | |
| Sep | 9 | 19 | 58 | 88 | 57 | |
| Oct | 5 | 13 | 46 | 90 | 67 | |
| Nov | 0 | 7 | 46 | 90 | 74 | |
| Dec | -1 | 4 | 51 | 88 | 79 | |
| Dec | -1 | 4 | 51 | 88 | 79 |