EuroVelo 3 - Pilgrim's Route - part Spain, stage 4: Burgos → Sahagún
On stage 4 (Burgos → Sahagún, 123 km) the best month is September: 81% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.5 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 | 23% | 19% | 48 | 8 °C | 0% | 72% | 9.4 † |
| February | 49% | 19% | 44 | 10 °C | 0% | 45% | 10.5 † |
| March | 61% | 24% | 51 | 13 °C | 0% | 26% | 11.8 |
| April | 68% | 29% | 63 | 16 °C | 0% | 8% | 13.3 |
| May | 74% | 25% | 53 | 20 °C | 1% | 1% | 14.6 |
| June | 65% | 21% | 47 | 25 °C | 17% | 0% | 15.3 |
| July | 52% | 9% | 16 | 29 °C | 42% | 0% | 15.0 |
| August | 54% | 6% | 11 | 29 °C | 42% | 0% | 13.9 |
| September | 81% | 11% | 31 | 24 °C | 8% | 0% | 12.4 |
| October | 81% | 18% | 62 | 19 °C | 0% | 2% | 11.0 † |
| November | 59% | 19% | 57 | 12 °C | 0% | 29% | 9.7 † |
| December | 29% | 16% | 48 | 9 °C | 0% | 65% | 9.1 † |
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 Burgos → Sahagún, km/h | Headwind > 15 km/h, Burgos → Sahagún | Headwind > 15 km/h, Sahagún → Burgos | Better way |
|---|---|---|---|---|
| January | −4.5 | 17% | 3% | Sahagún → Burgos |
| February | −4.0 | 19% | 3% | Sahagún → Burgos |
| March | −3.1 | 21% | 7% | Sahagún → Burgos |
| April | −1.6 | 15% | 6% | either |
| May | −1.3 | 13% | 7% | either |
| June | −1.1 | 11% | 6% | either |
| July | −0.1 | 9% | 5% | either |
| August | −0.5 | 8% | 6% | either |
| September | −0.5 | 8% | 7% | either |
| October | −2.4 | 11% | 3% | Sahagún → Burgos |
| November | −4.1 | 17% | 3% | Sahagún → Burgos |
| December | −4.2 | 14% | 1% | Sahagún → Burgos |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 352–377 | W | −1.0 |
| 377–403 | W | −0.3 |
| 403–429 | W | −0.2 |
| 429–454 | W | −0.5 |
| 454–475 | W | −0.7 |
Other stages
- near Orbara → Puente la Reina 122 km
- Puente la Reina → Nájera 110 km
- Nájera → Burgos 122 km
- Burgos → Sahagún 123 km
- Sahagún → Astorga 117 km
- Astorga → near Sarria 122 km
- near Sarria → Arzúa 123 km
- Arzúa → Fisterra 140 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.