EuroVelo 8 - Mediterranean Route - part Italy 4b, stage 2: Valenza → Piacenza
On stage 2 (Valenza → Piacenza, 143 km) the best month is October: 80% of days were dry with highs of 10–30 °C; the wind barely favours either direction (1.7 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 | 21% | 16% | 62 | 7 °C | 0% | 78% | 9.1 † |
| February | 47% | 18% | 71 | 10 °C | 0% | 50% | 10.3 † |
| March | 72% | 20% | 77 | 14 °C | 0% | 17% | 11.8 |
| April | 77% | 23% | 77 | 18 °C | 0% | 1% | 13.4 |
| May | 73% | 25% | 94 | 22 °C | 2% | 0% | 14.8 |
| June | 50% | 22% | 66 | 28 °C | 30% | 0% | 15.6 |
| July | 28% | 16% | 48 | 31 °C | 60% | 0% | 15.3 |
| August | 35% | 19% | 67 | 30 °C | 49% | 0% | 14.1 |
| September | 75% | 19% | 78 | 25 °C | 6% | 0% | 12.4 |
| October | 80% | 19% | 86 | 19 °C | 0% | 1% | 10.9 † |
| November | 60% | 22% | 114 | 12 °C | 0% | 24% | 9.5 † |
| December | 20% | 16% | 71 | 8 °C | 0% | 78% | 8.8 † |
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 Valenza → Piacenza, km/h | Headwind > 15 km/h, Valenza → Piacenza | Headwind > 15 km/h, Piacenza → Valenza | Better way |
|---|---|---|---|---|
| January | +0.1 | 1% | 1% | either |
| February | −0.6 | 2% | 1% | either |
| March | −0.9 | 3% | 1% | either |
| April | −1.4 | 3% | 0% | either |
| May | −0.4 | 1% | 0% | either |
| June | +0.3 | 0% | 0% | either |
| July | 0.0 | 1% | 0% | either |
| August | −0.7 | 1% | 0% | either |
| September | −1.3 | 1% | 0% | either |
| October | −1.7 | 1% | 0% | either |
| November | −0.9 | 1% | 0% | either |
| December | +0.5 | 1% | 0% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in October, km/h |
|---|---|---|
| 128–151 | SE | −0.1 |
| 151–176 | NE | −1.9 |
| 176–202 | E | −1.6 |
| 202–227 | E | −2.1 |
| 227–252 | E | −3.0 |
| 252–271 | SE | −1.3 |
Other stages
- Moncalieri → Valenza 128 km
- Valenza → Piacenza 143 km
- Piacenza → Guastalla 126 km
- Guastalla → Mortizza 50 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.