Alpine Panorama Route, stage 5: Thun → Aigle
On stage 5 (Thun → Aigle, 153 km) the best month is September: 67% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.8 km/h on average; ERA5 2006–2025, 9:00–18:00).
← Alpine Panorama Route (Whole route)
Weather by month
| Month | Good days | Rain days ≥ 1 mm | Rain, mm | Avg high | Days ≥ 30 °C | Days < 10 °C | Daylight, h |
|---|---|---|---|---|---|---|---|
| January | 2% | 28% | 120 | 2 °C | 0% | 98% | 8.9 † |
| February | 10% | 27% | 91 | 4 °C | 0% | 89% | 10.2 † |
| March | 29% | 31% | 112 | 8 °C | 0% | 67% | 11.8 |
| April | 50% | 36% | 109 | 12 °C | 0% | 35% | 13.5 |
| May | 47% | 51% | 178 | 15 °C | 0% | 15% | 15.0 |
| June | 52% | 47% | 156 | 20 °C | 1% | 1% | 15.8 |
| July | 56% | 42% | 174 | 22 °C | 3% | 0% | 15.5 |
| August | 60% | 38% | 162 | 21 °C | 2% | 1% | 14.2 |
| September | 67% | 32% | 122 | 17 °C | 0% | 5% | 12.5 |
| October | 63% | 25% | 105 | 13 °C | 0% | 21% | 10.8 † |
| November | 23% | 30% | 122 | 7 °C | 0% | 74% | 9.3 † |
| December | 2% | 32% | 142 | 3 °C | 0% | 98% | 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 Thun → Aigle, km/h | Headwind > 15 km/h, Thun → Aigle | Headwind > 15 km/h, Aigle → Thun | Better way |
|---|---|---|---|---|
| January | −0.9 | 1% | 0% | either |
| February | −0.4 | 1% | 0% | either |
| March | 0.0 | 1% | 1% | either |
| April | +1.0 | 1% | 1% | either |
| May | +0.7 | 1% | 1% | either |
| June | +0.9 | 0% | 1% | either |
| July | +0.2 | 0% | 0% | either |
| August | +0.2 | 0% | 0% | either |
| September | +0.8 | 0% | 0% | either |
| October | +0.2 | 0% | 0% | either |
| November | −0.6 | 0% | 0% | either |
| December | −1.3 | 1% | 0% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 444–470 | NW | −2.4 |
| 470–495 | W | −0.5 |
| 495–520 | S | +1.3 |
| 520–545 | S | +2.5 |
| 545–570 | S | +2.6 |
| 570–597 | SW | +1.4 |
Other stages
- Näfels → Glarus 78 km
- Glarus → Lustenau 112 km
- Lustenau → Stans 26 km
- Stans → Thun 99 km
- Thun → Aigle 153 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.