EuroVelo 7 - Sun Route - part Germany, stage 6: Riesa → near Děčín
On stage 6 (Riesa → near Děčín, 106 km) the best month is September: 75% of days were dry with highs of 10–30 °C, and riding Riesa → near Děčín meant an average tailwind of 2.3 km/h (ERA5 2006–2025, 9:00–18:00).
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Weather by month
| Month | Good days | Rain days ≥ 1 mm | Rain, mm | Avg high | Days ≥ 30 °C | Days < 10 °C | Daylight, h |
|---|---|---|---|---|---|---|---|
| January | 4% | 27% | 70 | 3 °C | 0% | 94% | 8.4 † |
| February | 10% | 23% | 51 | 4 °C | 0% | 88% | 9.9 † |
| March | 34% | 25% | 52 | 9 °C | 0% | 61% | 11.7 |
| April | 61% | 22% | 44 | 14 °C | 0% | 27% | 13.8 |
| May | 71% | 27% | 67 | 18 °C | 0% | 5% | 15.5 |
| June | 69% | 28% | 76 | 22 °C | 4% | 0% | 16.5 |
| July | 64% | 27% | 87 | 24 °C | 9% | 0% | 16.1 |
| August | 66% | 27% | 92 | 23 °C | 8% | 0% | 14.6 |
| September | 75% | 24% | 67 | 19 °C | 1% | 1% | 12.5 |
| October | 62% | 23% | 62 | 13 °C | 0% | 22% | 10.6 † |
| November | 24% | 21% | 56 | 8 °C | 0% | 71% | 8.8 † |
| December | 5% | 25% | 63 | 4 °C | 0% | 92% | 7.9 † |
Best months are all months within 3 percentage points of the best one. † less than 11 hours of daylight — long stages get tight.
Wind by month
| Month | Wind Riesa → near Děčín, km/h | Headwind > 15 km/h, Riesa → near Děčín | Headwind > 15 km/h, near Děčín → Riesa | Better way |
|---|---|---|---|---|
| January | +2.7 | 3% | 14% | Riesa → near Děčín |
| February | +2.3 | 3% | 13% | Riesa → near Děčín |
| March | +3.2 | 4% | 13% | Riesa → near Děčín |
| April | +3.2 | 3% | 12% | Riesa → near Děčín |
| May | +2.8 | 4% | 11% | Riesa → near Děčín |
| June | +4.3 | 0% | 10% | Riesa → near Děčín |
| July | +5.5 | 0% | 12% | Riesa → near Děčín |
| August | +3.3 | 1% | 6% | Riesa → near Děčín |
| September | +2.3 | 2% | 8% | Riesa → near Děčín |
| October | +1.0 | 3% | 8% | either |
| November | +0.4 | 3% | 8% | either |
| December | +1.6 | 3% | 11% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 624–649 | SE | +1.6 |
| 649–675 | SE | +2.7 |
| 675–700 | SE | +2.5 |
| 700–726 | E | +2.7 |
| 726–730 | S | −0.3 |
Other stages
- Rostock → Waren 142 km
- Waren → Fürstenberg 110 km
- Fürstenberg → Berlin 123 km
- Berlin → Wittenberg 128 km
- Wittenberg → Riesa 122 km
- Riesa → near Děčín 106 km
How to read the numbers
Wind is the 10 m wind of a 25-km grid cell, daytime hours 9:00–18:00 local solar time; at saddle height in a sheltered valley it is weaker, on a coast or ridge stronger. A positive value is a tailwind. ERA5 slightly over-counts days with ≥ 1 mm of rain (by about 5–7 percentage points) and underestimates daily highs by 1–2 °C. Good day = less than 1 mm of rain between 9:00 and 18:00 (riding hours, local solar time) and a high between 10 and 30 °C; rain at night or in the evening does not spoil it.