Euroroute R1 - part Poland, stage 5: Kwidzyn → Mamonovo
On stage 5 (Kwidzyn → Mamonovo, 156 km) the best month is September: 80% of days were dry with highs of 10–30 °C, and riding Kwidzyn → Mamonovo meant an average tailwind of 2.6 km/h (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 | 1% | 22% | 51 | 1 °C | 0% | 98% | 7.9 † |
| February | 2% | 18% | 38 | 2 °C | 0% | 97% | 9.7 † |
| March | 23% | 20% | 36 | 7 °C | 0% | 73% | 11.7 |
| April | 57% | 20% | 36 | 13 °C | 0% | 33% | 14.0 |
| May | 71% | 26% | 63 | 17 °C | 0% | 5% | 16.0 |
| June | 71% | 27% | 73 | 21 °C | 2% | 0% | 17.1 |
| July | 63% | 34% | 100 | 23 °C | 4% | 0% | 16.6 |
| August | 68% | 28% | 77 | 23 °C | 4% | 0% | 14.8 |
| September | 80% | 19% | 51 | 19 °C | 0% | 1% | 12.6 |
| October | 62% | 20% | 51 | 13 °C | 0% | 24% | 10.4 † |
| November | 18% | 19% | 48 | 7 °C | 0% | 78% | 8.4 † |
| December | 2% | 20% | 47 | 3 °C | 0% | 97% | 7.4 † |
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 Kwidzyn → Mamonovo, km/h | Headwind > 15 km/h, Kwidzyn → Mamonovo | Headwind > 15 km/h, Mamonovo → Kwidzyn | Better way |
|---|---|---|---|---|
| January | +6.1 | 4% | 24% | Kwidzyn → Mamonovo |
| February | +4.5 | 4% | 19% | Kwidzyn → Mamonovo |
| March | +2.7 | 6% | 15% | Kwidzyn → Mamonovo |
| April | −0.2 | 8% | 11% | either |
| May | −0.8 | 8% | 8% | either |
| June | +0.4 | 5% | 9% | either |
| July | +1.4 | 4% | 9% | either |
| August | +2.6 | 3% | 11% | Kwidzyn → Mamonovo |
| September | +2.6 | 4% | 13% | Kwidzyn → Mamonovo |
| October | +5.4 | 4% | 20% | Kwidzyn → Mamonovo |
| November | +6.7 | 2% | 21% | Kwidzyn → Mamonovo |
| December | +7.8 | 2% | 26% | Kwidzyn → Mamonovo |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 506–531 | N | +1.4 |
| 531–557 | E | +3.1 |
| 557–582 | NE | +3.2 |
| 582–608 | N | +1.6 |
| 608–634 | NE | +2.8 |
| 634–662 | NE | +3.1 |
Other stages
- Kostrzyn nad Odrą → Międzychód 122 km
- Międzychód → Piła 124 km
- Piła → Koronowo 140 km
- Koronowo → Kwidzyn 121 km
- Kwidzyn → Mamonovo 156 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.