EuroVelo 10 - Baltic Sea Cycle Route - part Finland, stage 10: Turku → Raseborg
On stage 10 (Turku → Raseborg, 129 km) the best month is June: 75% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.9 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 | 0% | 21% | 54 | -2 °C | 0% | 100% | 6.6 † |
| February | 0% | 19% | 41 | -1 °C | 0% | 100% | 9.0 † |
| March | 3% | 15% | 35 | 2 °C | 0% | 97% | 11.6 |
| April | 28% | 17% | 36 | 8 °C | 0% | 71% | 14.5 |
| May | 68% | 19% | 41 | 14 °C | 0% | 19% | 17.2 |
| June | 75% | 25% | 59 | 19 °C | 0% | 1% | 18.9 |
| July | 70% | 29% | 74 | 21 °C | 1% | 0% | 18.2 |
| August | 69% | 31% | 85 | 20 °C | 0% | 0% | 15.7 |
| September | 72% | 24% | 60 | 15 °C | 0% | 5% | 12.7 |
| October | 33% | 22% | 65 | 9 °C | 0% | 53% | 9.9 † |
| November | 3% | 22% | 58 | 5 °C | 0% | 95% | 7.3 † |
| December | 0% | 23% | 61 | 1 °C | 0% | 100% | 5.8 † |
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 Turku → Raseborg, km/h | Headwind > 15 km/h, Turku → Raseborg | Headwind > 15 km/h, Raseborg → Turku | Better way |
|---|---|---|---|---|
| January | −0.8 | 12% | 8% | either |
| February | −0.9 | 10% | 8% | either |
| March | +0.8 | 8% | 10% | either |
| April | +1.3 | 6% | 10% | either |
| May | +0.2 | 7% | 7% | either |
| June | +0.9 | 7% | 9% | either |
| July | +0.3 | 6% | 7% | either |
| August | −0.6 | 9% | 5% | either |
| September | +0.2 | 9% | 9% | either |
| October | +0.2 | 11% | 10% | either |
| November | −0.9 | 11% | 8% | either |
| December | −0.6 | 13% | 9% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in June, km/h |
|---|---|---|
| 1,104–1,129 | E | +4.3 |
| 1,129–1,154 | E | +3.0 |
| 1,154–1,180 | SW | −4.5 |
| 1,180–1,205 | SE | +1.0 |
| 1,205–1,233 | SE | +0.8 |
Other stages
- Tornio → Oulu 146 km
- Oulu → Pyhäjoki 125 km
- Pyhäjoki → Kokkola 141 km
- Kokkola → Oravais 102 km
- Oravais → Malax 102 km
- Malax → Kristinestad 114 km
- Kristinestad → Pori 130 km
- Pori → Uusikaupunki 135 km
- Uusikaupunki → Turku 112 km
- Turku → Raseborg 129 km
- Raseborg → Helsinki 124 km
- Helsinki → Lovisa 115 km
- Lovisa → near Virojoki 138 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.