EuroVelo 5 - Via Romea Francigena, stage 13: Airolo → Como
On stage 13 (Airolo → Como, 139 km) the best month is September: 67% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.6 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 | 5% | 17% | 72 | 3 °C | 0% | 95% | 9.0 † |
| February | 17% | 19% | 74 | 5 °C | 0% | 82% | 10.3 † |
| March | 37% | 24% | 99 | 8 °C | 0% | 60% | 11.8 |
| April | 50% | 32% | 132 | 12 °C | 0% | 34% | 13.5 |
| May | 51% | 44% | 170 | 16 °C | 0% | 16% | 14.9 |
| June | 51% | 46% | 169 | 21 °C | 2% | 4% | 15.8 |
| July | 53% | 43% | 156 | 23 °C | 5% | 1% | 15.4 |
| August | 59% | 37% | 180 | 22 °C | 4% | 2% | 14.2 |
| September | 67% | 30% | 151 | 18 °C | 0% | 7% | 12.5 |
| October | 61% | 25% | 166 | 13 °C | 0% | 25% | 10.8 † |
| November | 28% | 26% | 156 | 7 °C | 0% | 67% | 9.3 † |
| December | 6% | 19% | 88 | 3 °C | 0% | 94% | 8.6 † |
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 Airolo → Como, km/h | Headwind > 15 km/h, Airolo → Como | Headwind > 15 km/h, Como → Airolo | Better way |
|---|---|---|---|---|
| January | +2.9 | 0% | 0% | Airolo → Como |
| February | +1.5 | 0% | 0% | either |
| March | +0.5 | 0% | 1% | either |
| April | −0.7 | 0% | 1% | either |
| May | −0.7 | 0% | 0% | either |
| June | −1.4 | 0% | 0% | either |
| July | −1.1 | 0% | 0% | either |
| August | −1.0 | 0% | 0% | either |
| September | −0.6 | 0% | 0% | either |
| October | +0.1 | 0% | 0% | either |
| November | +1.7 | 0% | 0% | either |
| December | +3.2 | 0% | 0% | Airolo → Como |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 1,499–1,524 | SE | −0.2 |
| 1,524–1,549 | SE | −0.8 |
| 1,549–1,574 | S | −1.2 |
| 1,574–1,600 | S | −0.6 |
| 1,600–1,625 | SE | −0.3 |
| 1,625–1,638 | SE | −0.7 |
Other stages
- Canterbury → Audruicq 114 km
- Audruicq → Lens 115 km
- Lens → Lessines 121 km
- Lessines → Wavre 125 km
- Wavre → Marche-en-Famenne 126 km
- Marche-en-Famenne → Eischen 132 km
- Eischen → Saarlouis 120 km
- Saarlouis → Saverne 147 km
- Saverne → Châtenois 120 km
- Châtenois → Mulhouse 116 km
- Mulhouse → Luzern 113 km
- Luzern → Airolo 117 km
- Airolo → Como 139 km
- Como → Pavia 121 km
- Pavia → Fidenza 128 km
- Fidenza → Sarzana 133 km
- Sarzana → San Miniato Basso 121 km
- San Miniato Basso → Siena 96 km
- Siena → Acquapendente 121 km
- Acquapendente → Campagnano di Roma 120 km
- Campagnano di Roma → Valmontone 93 km
- Valmontone → Frosinone 104 km
- Frosinone → Cassino 119 km
- Cassino → Benevento 121 km
- Benevento → Venosa 133 km
- Venosa → Castellaneta 122 km
- Castellaneta → Brindisi 122 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.