EuroVelo 7 - Sun Route - part Czech Republic, stage 2: Mělník → near Sedlčany
On stage 2 (Mělník → near Sedlčany, 113 km) the best month is September: 78% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.2 km/h on average; 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% | 19% | 42 | 3 °C | 0% | 95% | 8.5 † |
| February | 10% | 16% | 33 | 4 °C | 0% | 88% | 10.0 † |
| March | 37% | 18% | 38 | 9 °C | 0% | 57% | 11.7 |
| April | 66% | 20% | 39 | 15 °C | 0% | 23% | 13.7 |
| May | 70% | 28% | 73 | 18 °C | 0% | 3% | 15.4 |
| June | 68% | 26% | 84 | 23 °C | 7% | 0% | 16.4 |
| July | 60% | 27% | 73 | 25 °C | 15% | 0% | 16.0 |
| August | 64% | 24% | 83 | 25 °C | 13% | 0% | 14.5 |
| September | 78% | 20% | 60 | 20 °C | 2% | 1% | 12.5 |
| October | 68% | 18% | 47 | 14 °C | 0% | 18% | 10.6 † |
| November | 26% | 17% | 40 | 7 °C | 0% | 72% | 8.9 † |
| December | 5% | 17% | 41 | 4 °C | 0% | 93% | 8.1 † |
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 Mělník → near Sedlčany, km/h | Headwind > 15 km/h, Mělník → near Sedlčany | Headwind > 15 km/h, near Sedlčany → Mělník | Better way |
|---|---|---|---|---|
| January | −2.4 | 8% | 3% | near Sedlčany → Mělník |
| February | −1.2 | 6% | 4% | either |
| March | +0.2 | 6% | 5% | either |
| April | +2.0 | 4% | 7% | Mělník → near Sedlčany |
| May | +1.6 | 3% | 6% | either |
| June | +1.8 | 2% | 5% | either |
| July | +1.2 | 2% | 3% | either |
| August | −0.1 | 2% | 2% | either |
| September | +0.2 | 3% | 4% | either |
| October | −1.8 | 5% | 3% | either |
| November | −3.1 | 5% | 2% | near Sedlčany → Mělník |
| December | −3.6 | 8% | 2% | near Sedlčany → Mělník |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 112–137 | SW | −1.1 |
| 137–162 | SE | +1.4 |
| 162–187 | S | −0.3 |
| 187–213 | S | +0.4 |
| 213–225 | S | +0.9 |
Other stages
- near Děčín → Mělník 112 km
- Mělník → near Sedlčany 113 km
- near Sedlčany → Týn nad Vltavou 113 km
- Týn nad Vltavou → Burgfried 112 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.