EuroVelo 6 - Atlantic-Black Sea - part Bulgaria, stage 4: Svishtov → Ruse
On stage 4 (Svishtov → Ruse, 99 km) the best month is October: 82% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.1 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 | 17% | 16% | 50 | 4 °C | 0% | 80% | 9.3 † |
| February | 32% | 15% | 38 | 7 °C | 0% | 65% | 10.4 † |
| March | 59% | 17% | 50 | 13 °C | 0% | 33% | 11.8 |
| April | 78% | 19% | 52 | 18 °C | 0% | 4% | 13.4 |
| May | 73% | 26% | 67 | 23 °C | 1% | 0% | 14.7 |
| June | 49% | 25% | 80 | 27 °C | 29% | 0% | 15.4 |
| July | 34% | 15% | 55 | 30 °C | 53% | 0% | 15.1 |
| August | 29% | 10% | 34 | 31 °C | 64% | 0% | 14.0 |
| September | 73% | 11% | 35 | 26 °C | 17% | 0% | 12.4 |
| October | 82% | 14% | 56 | 19 °C | 1% | 5% | 10.9 † |
| November | 56% | 15% | 48 | 12 °C | 0% | 36% | 9.6 † |
| December | 21% | 15% | 51 | 6 °C | 0% | 78% | 8.9 † |
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 Svishtov → Ruse, km/h | Headwind > 15 km/h, Svishtov → Ruse | Headwind > 15 km/h, Ruse → Svishtov | Better way |
|---|---|---|---|---|
| January | +2.4 | 2% | 6% | Svishtov → Ruse |
| February | +1.1 | 3% | 6% | either |
| March | +1.0 | 4% | 7% | either |
| April | +0.4 | 4% | 7% | either |
| May | +0.1 | 2% | 5% | either |
| June | +0.2 | 1% | 4% | either |
| July | 0.0 | 1% | 5% | either |
| August | −2.0 | 2% | 3% | either |
| September | −0.6 | 3% | 6% | either |
| October | +0.1 | 2% | 5% | either |
| November | +0.9 | 2% | 6% | either |
| December | +2.2 | 2% | 6% | Svishtov → Ruse |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in October, km/h |
|---|---|---|
| 367–393 | E | +0.6 |
| 393–418 | E | +1.2 |
| 418–443 | NE | −0.2 |
| 443–466 | N | −1.5 |
Other stages
- Bregovo → Lom 114 km
- Lom → Krushovene 122 km
- Krushovene → Svishtov 124 km
- Svishtov → Ruse 99 km
- Ruse → Silistra 137 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.