EuroVelo 10 - Baltic Sea Cycle Route - part Poland, stage 5: Gdańsk → Mamonovo
On stage 5 (Gdańsk → Mamonovo, 129 km) the best month is September: 80% of days were dry with highs of 10–30 °C, and riding Gdańsk → Mamonovo meant an average tailwind of 2.7 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 | 0% | 24% | 55 | 1 °C | 0% | 99% | 7.9 † |
| February | 1% | 18% | 40 | 2 °C | 0% | 98% | 9.7 † |
| March | 19% | 19% | 37 | 7 °C | 0% | 78% | 11.7 |
| April | 52% | 18% | 36 | 12 °C | 0% | 40% | 14.0 |
| May | 72% | 24% | 58 | 16 °C | 0% | 6% | 16.0 |
| June | 73% | 26% | 67 | 21 °C | 2% | 0% | 17.2 |
| July | 65% | 32% | 97 | 22 °C | 3% | 0% | 16.7 |
| August | 70% | 28% | 76 | 23 °C | 2% | 0% | 14.9 |
| September | 80% | 20% | 55 | 19 °C | 0% | 0% | 12.6 |
| October | 62% | 22% | 58 | 13 °C | 0% | 22% | 10.4 † |
| November | 18% | 22% | 55 | 7 °C | 0% | 77% | 8.4 † |
| December | 2% | 22% | 54 | 4 °C | 0% | 97% | 7.3 † |
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 Gdańsk → Mamonovo, km/h | Headwind > 15 km/h, Gdańsk → Mamonovo | Headwind > 15 km/h, Mamonovo → Gdańsk | Better way |
|---|---|---|---|---|
| January | +4.7 | 9% | 25% | Gdańsk → Mamonovo |
| February | +3.8 | 8% | 22% | Gdańsk → Mamonovo |
| March | +3.4 | 7% | 19% | Gdańsk → Mamonovo |
| April | +2.2 | 6% | 16% | Gdańsk → Mamonovo |
| May | +1.0 | 6% | 12% | either |
| June | +2.6 | 4% | 14% | Gdańsk → Mamonovo |
| July | +3.9 | 3% | 16% | Gdańsk → Mamonovo |
| August | +3.1 | 3% | 15% | Gdańsk → Mamonovo |
| September | +2.7 | 6% | 17% | Gdańsk → Mamonovo |
| October | +3.8 | 8% | 21% | Gdańsk → Mamonovo |
| November | +4.0 | 8% | 21% | Gdańsk → Mamonovo |
| December | +5.7 | 6% | 27% | Gdańsk → Mamonovo |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 454–480 | E | +3.2 |
| 480–506 | SE | +0.8 |
| 506–532 | E | +3.1 |
| 532–557 | NE | +3.2 |
| 557–583 | NE | +3.1 |
Other stages
- Świnoujście → Kołobrzeg 114 km
- Kołobrzeg → Ustka 117 km
- Ustka → Wierzchucino 118 km
- Wierzchucino → Gdańsk 108 km
- Gdańsk → Mamonovo 129 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.